Vietnam in September is a good time to visit the north, as the rainy season ends in Hanoi and the rice terraces of Sapa and Mu Cang Chai turn gold, while rain builds on the central coast and the south stays in its wet season. Temperatures run at about 25–32°C in Hanoi, 24–32°C in Da Nang and 24–32°C in Ho Chi Minh City, and a cooler 16–22°C in Sapa.

North: Rain eases after August, and the rice terraces of Sapa and Mu Cang Chai turn gold.
Central: Rain builds through the month, with Hue the wettest stop at about 395 mm.
South: Rainy season in Ho Chi Minh City and Phu Quoc, with rain on 22–23 days.

This guide from Vietnamtour.in covers the weather in Vietnam in September by region, crowds, festivals in September 2027, where to go, travel tips, whether September is a good time to visit, what to pack, and frequently asked questions.

Table of Contents

Vietnam Weather in September

Vietnam weather in September ranges from about 16–22°C in Sapa to 24–33°C on the coast and in the cities, with Nha Trang the driest stop at about 160 mm of rain and Phu Quoc the wettest at about 475 mm. September marks the end of the rainy season in the north and the start of it on the central coast, so the weather varies considerably depending on the destination.

Destination	Region	Temp (°C)	Rain (mm)	Rainy days	Sea / conditions	Verdict
Sapa	North mountains	16–22	315	20	Cool, golden rice terraces	Good
Hanoi, Ninh Binh	North	25–32	245	14	Rain easing, about 6 hours of sun a day	Mixed
Halong Bay	North	24–31	280	14	Sea 29.5°C, cruises run	Mixed
Hue	Central	24–32	395	17	Rainy season begins	Mixed
Da Nang, Hoi An	Central	24–32	310	14	Sea 29.5°C, rain building	Mixed
Nha Trang	Central coast	25–32	160	15	Driest beach stop, sea 29°C	Good
Ho Chi Minh City, Mekong Delta	South	24–32	325	23	Rainy season	Mixed
Phu Quoc	South coast	26–30	475	22	Wettest stop, sea 29°C	Poor

These figures are long-term monthly averages from Climates to Travel, so any single September can run a little wetter or drier. For comparison, Mumbai in September averages about 25–31°C with heavy monsoon rain, close to most lowland stops in the table, while Sapa at 16–22°C feels much like Gangtok.

The Mountainous Region in Northern Vietnam

The mountains of northern Vietnam, including Sapa and Mu Cang Chai, stay cool in September at about 16–22°C, and the rice terraces turn gold at harvest. The rice in Sapa ripens from mid-August to the end of September, and the terraces of Mu Cang Chai turn gold from mid-September to mid-October. Sapa still gets about 315 mm of rain over 20 days, so trails can be muddy, and evenings are cool enough for a light jacket. Sapa sits about 320 km from Hanoi, about 5.5–6 hours by limousine van or a night on the train to Lao Cai.

Golden rice terraces at harvest in the northern mountains of Vietnam in September, Lao Cai province — *Golden rice terraces in the northern mountains, the top reason to visit Vietnam in September*

Northern Vietnam

Hanoi is warm and gradually drier in September, at about 25–32°C with rain on about 14 days, down from about 17 in August. September is the last month of the rainy season in the north, and Hanoi gets about 6 hours of sunshine a day, more than in August. Halong Bay cruises run, and the sea at about 29.5°C is warm enough to swim. Late September brings the first cooler, drier days of autumn, the season many visitors find the most beautiful in Hanoi.

Flower seller cycling under the trees on a Hanoi street in September — *A flower seller on a leafy Hanoi street as autumn begins, a familiar sight in Vietnam in September*

Central Vietnam

Rain builds on the central coast through September, with Hue at about 395 mm and Da Nang at about 310 mm, while Nha Trang stays the driest beach stop at about 160 mm. Da Nang and Hoi An still have about 6 hours of sunshine a day and a 29.5°C sea, and mornings are usually the best time for the beach. Early September is drier than late September, since October brings the heaviest rain of the year to Hue and Da Nang. The Hue Imperial City and Hoi An are both at their best in the drier first half of the month.

Women in ao dai at Ngo Mon Gate of the Hue Imperial City in September, Hue — *Ngo Mon Gate of the Hue Imperial City, best visited in early September before the heavier rain*

Travellers who want a break from the coastal rain can add Da Lat in the Central Highlands, where the air stays cooler than on the beaches.

Southern Vietnam

September is still the rainy season in southern Vietnam, with Ho Chi Minh City at about 24–32°C and rain on about 23 days, and Phu Quoc the wettest stop at about 475 mm. The wet season runs from May to October, bringing frequent showers, high humidity and occasional thunderstorms, often in short afternoon bursts. Museums, markets, street food tours and Mekong Delta boat trips still work between showers, and Phu Quoc’s sea stays at about 29°C, though beach days are less reliable than from November.

Aircraft displayed outside the War Remnants Museum in Ho Chi Minh City in September — *The War Remnants Museum, an indoor plan for rainy September days in Ho Chi Minh City*

Tourist Flow

September is not the peak tourist season in Vietnam, so crowds are lighter than from December to April, but the National Day long weekend fills domestic flights and hotels in early September. Vietnam received about 1.77 million international arrivals in September 2026, down 11.3% from August but up 16.1% on the year. India is one of the fastest-growing markets, with more than 612,000 Indian visitors in the first 8 months of 2026, compared with about 102,000 in the whole of 2019.

Mr Dhruv and his family, Vietnamtour.in guests from India, on a Vietnam holiday — *Mr Dhruv and his family, Vietnamtour.in guests from India, on their Vietnam holiday*

The National Day break in 2027 runs for 4 days, from Thursday 2 September to Sunday 5 September, the busiest stretch of the month for domestic travel. Outside that weekend, September offers a relaxed pace, with fewer international visitors than the October-to-March peak season.

Events and Festivals

September in Vietnam brings National Day on 2 September, the Mid-Autumn Festival on 15 September 2027, and the golden rice season in the northern mountains.

Event	When (2027)	Where	Worth planning around?
National Day	2 September (4-day break, 2–5 September)	Nationwide, flags and celebrations in Hanoi	Busy domestic travel; book early
Ganesh Chaturthi	4 September	Indian festival	Vegetarian meals can be arranged on request
Hoi An Full Moon Lantern Night	14 September	Hoi An Ancient Town	Yes
Mid-Autumn Festival	15 September	Nationwide, Hang Ma Street in Hanoi, Hoi An	Yes, especially with children
Mu Cang Chai golden rice season	Mid-September to mid-October	Mu Cang Chai, northern mountains	Yes, for photographers
Sharad Navratri begins	Around 30 September	Indian festival	Vegetarian meals can be arranged on request

The Mid-Autumn Festival on 15 September is the event most worth planning a September trip around, especially for families travelling with children.

Children holding star lanterns at the Mid-Autumn Festival in Vietnam in September — *Children with star lanterns at the Mid-Autumn Festival, the highlight of Vietnam in September*

Mid-Autumn Festival (Tet Trung Thu): The Mid-Autumn Festival is one of the most significant festivals in Vietnam, particularly for families and children. It falls on the 15th day of the 8th lunar month, which lands on 15 September in 2027. Colourful lanterns light up the streets, mooncakes are shared, and lion dances and performances fill cities like Hanoi and Hoi An. The traditions, foods and best places to celebrate are covered in the guide to the autumn festival in Vietnam, which helps time a city stay around the full moon.

Vietnam National Day: Vietnam celebrates its National Day on 2 September, a public holiday marked by patriotic events, flag-raising ceremonies and cultural activities, centred on Ba Dinh Square in Hanoi.

Ho Chi Minh Mausoleum and flagpole at Ba Dinh Square in Hanoi for National Day on 2 September — *Ba Dinh Square in Hanoi, the centre of National Day celebrations on 2 September*

Travellers observing Ganesh Chaturthi on 4 September or Navratri from around 30 September often worry about finding the right food in Vietnam, and vegetarian, Jain or Indian meals can be arranged with advance notice.

Travel Tips

The best September plan in Vietnam starts in the north, books around the National Day weekend, and keeps the central coast and the south flexible around the rain. Hanoi, Sapa and Halong Bay give the most reliable weather of the month, so they suit the fixed part of the route. Hoi An and Hue work best in the first half of September, before the central rain builds, while Ho Chi Minh City and the Mekong Delta fit any week with indoor plans for wet afternoons. Leaving 1 spare day in the route absorbs a storm warning or a cancelled cruise.

Where to Go and What to Do in Vietnam in September

The best places to visit in Vietnam in September are the northern rice terraces of Sapa and Mu Cang Chai, Hanoi and Halong Bay, with Nha Trang the driest beach on the coast and Hoi An best in early September.

You want	Go to	Why in September
Rice terraces	Sapa, Mu Cang Chai	Golden harvest season
Halong Bay cruise	Halong Bay	Cruises run, sea at about 29.5°C
Festivals and city life	Hanoi	National Day, Mid-Autumn lanterns, rain easing
Beach	Nha Trang	Driest coastal stop (about 160 mm)
Heritage	Hoi An, Hue	Best in early September, before heavier rain
Cool escape	Sapa, Da Lat	Cooler than the lowlands

Most September routes combine 3 or 4 of these stops, with the north as the anchor of the trip.

Hanoi: Visiting Hanoi for National Day on 2 September is a special experience, with the flag-raising ceremony at Ba Dinh Square in front of Ho Chi Minh’s Mausoleum. On 15 September, the Mid-Autumn Festival fills Hang Ma Street in the Old Quarter with lanterns.

Hoi An: Hoi An Ancient Town is famous for its preserved quarter and lantern-lit streets, and the Full Moon Lantern Night and the Mid-Autumn Festival fall on consecutive days in September 2027.

Silk lanterns lit up at a shop in Hoi An Ancient Town, Da Nang, in September — *Silk lanterns in Hoi An Ancient Town, where the Full Moon Lantern Night falls on 14 September 2027*

Ho Chi Minh City: The southern city is known for the War Remnants Museum and the Cu Chi Tunnels, and its museums and markets make good rainy-day plans in September.

A short trip can stay in the north, with Hanoi, a Ninh Binh day trip, Sapa for the golden terraces and an overnight Halong Bay cruise, which is the shape of most Vietnam package tour 7 days routes. With more time, a 10 days Vietnam tour package adds Hoi An in early September, and a 15 day Vietnam tour package covers the north, the centre and the south with flexible days around the rain.

Tips for Traveling to Vietnam

The 3 most useful tips for travelling to Vietnam in September are packing rain gear, booking around the 2–5 September National Day weekend, and checking festival dates against the lunar calendar. Rain in September usually falls in short afternoon bursts, so most travellers still spend full days outdoors on cable cars, cruises and city walks.

Indian travellers waving at a cable car station during a Vietnam trip in September — *Indian travellers on a cable car day out, an easy rain-or-shine plan for Vietnam in September*

These 3 tips cover most September trips:

Weather and clothing: September runs from cool evenings in the mountains to hot, humid days in the south, so light, quick-dry clothes and rain gear are essential. Each month suits a different part of the country, and the month-by-month guide on the best time to visit Vietnam helps compare September with other months.
Local events and festivals: Festival dates follow the lunar calendar and change every year, so the 2027 dates are worth checking again closer to travel.
Plan in advance: Flights and hotels fill around the 2–5 September National Day weekend, so booking early is wise. Budgets vary by route and hotel class, and the guide to how expensive is Vietnam to visit breaks down the costs before dates are locked in.

Following these 3 tips keeps a September route flexible when the weather changes from one region to the next.

Is September a Good Time to Visit Vietnam?

Yes, September is a good time to visit Vietnam for northern routes and golden rice terraces, and travellers can still visit the centre and south as long as they plan around the rain.

Good for	Less ideal for
Rice-terrace photography in Sapa and Mu Cang Chai	Beach stays on Phu Quoc
Hanoi and Halong Bay	Late-September beach time in Hue and Da Nang
The Mid-Autumn Festival	Dry sightseeing days in Ho Chi Minh City

New Delhi in September is about as hot as Hanoi but drier, so the main difference for Indian travellers is the rain rather than the heat. Travel to Vietnam in September works best when the route starts in the north and treats the centre and south as flexible stops.

Vietnam in Early September vs Late September

Early September in Vietnam has the National Day long weekend and drier weather on the central coast, while mid to late September brings the Mid-Autumn Festival, the golden peak in Mu Cang Chai and heavier rain in the centre.

National Day: 2 September; in 2027 the break runs from Thursday 2 September to Sunday 5 September.
Mid-Autumn Festival: Wednesday 15 September 2027.
Mu Cang Chai golden season: Mid-September to mid-October.
Central rain: Rises towards October, the wettest month in Hue and Da Nang.

Travellers flexible by 1–2 weeks can compare the weeks either side of September. Trips that start a few days earlier can check the guide to visiting Vietnam in August end, when the northern rain begins to ease. Trips that run later can use the Vietnam October guide, which shows how the north dries out while the centre gets its heaviest rain.

What to Pack for Vietnam in September

Light, quick-dry clothes and rain gear suit Vietnam in September, with a warm layer for Sapa evenings.

Region	Daytime	Evening	Extras
North (Hanoi, Halong Bay, Sapa)	Light, breathable clothes	Fleece or light jacket in Sapa	Rain jacket, shoes with grip for muddy trails
Central (Da Nang, Hoi An, Hue, Nha Trang)	Summer clothes	Same	Umbrella, sunscreen, swimwear
South (Ho Chi Minh City, Phu Quoc)	Light, quick-dry clothes	Same	Compact rain jacket, insect repellent

Temples and pagodas across Vietnam ask visitors to cover their shoulders and knees, so a light scarf or breathable long trousers in the day bag make it easy to step from a hot street into a prayer hall.

FAQs About Vietnam in September

Indian travellers planning Vietnam in September most often ask whether the trip is possible, how hot and wet it is, and which beaches and bays still work.

Can you visit Vietnam in September?

Yes, you can visit Vietnam in September, as all major sights stay open and flights from India run as usual, but the route should favour the north and leave flexible days for rain in the centre and south. Indian passport holders need a Vietnam e-visa, which is issued online for stays of up to 90 days.

Is it hot in Vietnam in September?

Yes, most lowland places in Vietnam are about 24–33°C in September, while Sapa is cooler at about 16–22°C. Humidity stays high across the lowlands, so light, breathable clothes help.

Does it rain in Vietnam in September?

Yes, it rains across most of Vietnam in September, with about 14 rainy days in Hanoi, 23 in Ho Chi Minh City and 22 in Phu Quoc. Nha Trang is the driest stop, at about 160 mm.

Is September good for Halong Bay?

Yes, September is good for Halong Bay cruises, as boats run, the sea is about 29.5°C and rain falls on about 14 days. Cruises can be paused when a storm warning is issued, so a flexible day helps.

Is September good for beaches in Vietnam?

Yes, in Nha Trang, which gets only about 160 mm of rain in September. Da Nang suits early September, while Phu Quoc is in its rainy season.

September or October: which is better for Vietnam?

October is drier in the north but much wetter on the central coast, so September suits central stops better, while northern routes work well in both months.

Is November a better time to visit Vietnam than September?

November is better for the south and Phu Quoc, as the dry season starts there, but it is the wettest month on parts of the central coast, while September is better for the golden rice of the north. The full picture for the later month is in the guide answering is November good time to visit Vietnam, which compares each region.

When is the best time to see golden rice in Sapa?

Rice in Sapa ripens from mid-August to the end of September, and Mu Cang Chai turns gold from mid-September to mid-October. A trip in the second half of September can cover both.

Plan Your Vietnam September Trip

Vietnam in September rewards a route built around the north, from Hanoi to the golden terraces of Sapa, with the centre and south kept flexible around the rain. The National Day rush, rain that shifts by the week and finding vegetarian food during Ganesh Chaturthi or Navratri are the parts that catch most travellers out. Vietnamtour.in has planned Vietnam trips for more than 428,000 Indian travellers since 2015, and every Vietnam trip from India it builds for September follows each region’s weather, with vegetarian, Jain or Indian meals on request.

To plan Vietnam in September on your own dates, share the travel dates, group size and departure city in the form below. A Vietnamtour.in expert will build the route around the golden rice season and the rain, with hotels booked ahead of the National Day weekend and a flexible day for September in Vietnam.