Month guide · Hanoi · Vietnam
Hanoi in September
What September is really like in Hanoi: weather, crowds, prices, events and what to pack.
Updated By the AMZBooking editorial team
Photo: The original uploader was Chuoibk at English Wikipedia ., CC BY-SA 3.0
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Quick answer
September is a shoulder-season month. Expect average highs of 31°C (88°F), lows of 25°C (77°F), about 13 rainy days and roughly 12.2 hours of daylight. Still hot early in the month, easing towards the end; lantern shops fill Hàng Mã before the Mid-Autumn Festival.
Key facts
- Average high / low
- 31°C (88°F) / 25°C (77°F)
- Rainy days
- About 13
- Daylight
- About 12.2 hours
- Crowds
- Moderate
- Hotel prices
- Average
Weather in September
September is the 5th-warmest month in Hanoi: days average 31°C (88°F) against a yearly average high of 27°C (81°F), and nights fall to about 25°C (77°F). Rain falls on roughly 13 of its 30 days. Compared with August (32°C (90°F)), September is about as warm; by October highs drop to around 29°C (84°F).
- Sunrise (15 September)
- About 05:43
- Sunset (15 September)
- About 18:00
- Daylight
- About 12.2 hours
Autumn (September–November). Hanoi's favourite season: drier air, blue skies and comfortable temperatures, with the Mid-Autumn Festival.
Crowds and prices
On a 1–5 scale, September rates 3 for crowds (the peak is April at 4) and 3 for hotel prices (highest in October). Prices sit in the middle of the year's range.
Events in September
- National Day — flags and celebrations around Ba Đình Square (2 September)
- Mid-Autumn Festival — lanterns and mooncakes on Hàng Mã street (September or early October)
Dates move from year to year. Check the organiser’s site before booking travel around an event.
What to do in September
With frequent rain, plan around indoor sights and keep outdoor time flexible.
Gallery · Ba Đình
Vietnam National Museum of Fine Arts
Pair it with the Temple of Literature across the road.
- Time needed
- 1.5 hours
- Cost
- Low cost
- Art
- Rainy day
- Off the beaten path
Landmark · Hoàn Kiếm Lake
Hoàn Kiếm Lake and Ngọc Sơn Temple
The 'Lake of the Returned Sword' takes its name from a legend in which a golden turtle reclaimed Emperor Lê Lợi's magic sword.
- Time needed
- 1–2 hours
- Cost
- Low cost
- Iconic
- Outdoors
- Photo spot
- Kids
- Couples
Neighbourhood · Old Quarter
Old Quarter guild streets
Walk it in the morning when shops open and traffic is lighter, and look up to see the narrow façades above the shopfronts.
- Time needed
- Half a day
- Cost
- Free
- Iconic
- Free
- Food
- Shopping
- History
- Photo spot
Historic site · Ba Đình
Temple of Literature
Founded in 1070 and dedicated to Confucius, this walled complex housed Vietnam's first university, the Imperial Academy.
- Time needed
- 1–1.5 hours
- Cost
- Low cost
- Iconic
- History
- Architecture
- Photo spot
What to pack
For highs near 31°C, lows near 25°C and 13 wet days: light, breathable clothes, a sun hat and high-factor sunscreen; a compact umbrella and waterproof shoes — rain is frequent; comfortable walking shoes.
Is September a good time to visit Hanoi?
A shoulder-season month, with 2 notable events on the calendar. If your dates are flexible, March–April and October–December are better overall. Compare every month.
Hanoi in other months
Questions travellers ask
+Is September a good time to visit Hanoi?
It is a shoulder-season month. Still hot early in the month, easing towards the end; lantern shops fill Hàng Mã before the Mid-Autumn Festival.
+How warm is Hanoi in September?
Average highs are around 31°C (88°F) and lows around 25°C (77°F).
+Does it rain a lot in Hanoi in September?
Expect rain on about 13 days of the month, so pack for wet weather.