Vietnam (Hanoi) · September
Low seasonVietnam · Asia
Climate Overview
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
MAXMAX | 20° | 22° | 24° | 28° | 33° | 35° | 34° | 33° | 33° | 30° | 27° | 22° |
MINMIN | 15° | 17° | 19° | 22° | 25° | 27° | 27° | 26° | 26° | 23° | 20° | 16° |
☀️Sunshine | 3h | 3h | 2h | 4h | 5h | 6h | 6h | 5h | 5h | 5h | 4h | 4h |
🌧Rain Days | 4d36mm | 2d21mm | 4d43mm | 6d87mm | 11d169mm | 11d191mm | 13d226mm | 14d307mm | 12d222mm | 7d110mm | 3d34mm | 3d22mm |
Best travel time current monthMonthly averages 2005–2025 · Source: ERA5 + station data
Still off-season — flights and hotels significantly cheaper than in October.
September in Vietnam (Hanoi) is generally manageable, but with 12 rain days it's not a reliably sunny month. Better conditions can be found in March, April, October, and November.
Daytime highs reach 32°C with a daily average of 28°C — nights stay warm at 25°C. With 5 sunshine hours per day and 12 rain days (222 mm), this is one of the cloudier months.
A jacket for cool evenings should not be left behind. Sightseeing and excursions can be enjoyed at this time of year without the heat.
Hochsommerzeit: Heiß und schwül, Monsunregen am Nachmittag. Hanoi bleibt trotzdem lebhaft — Straßenessen auf Plastikhockern, Bier Hoi-Ecken, Wassermarionetten-Theater. Nicht für Hitzeempfindliche.
Packing list for Vietnam (Hanoi) in September
- Leichte Sommersachen
- Sonnencreme
- Sonnenbrille
- Leichter Regenschirm oder Regenponcho
- Insektenschutzmittel
- Reiseapotheke
Frequently Asked Questions
- Is September a good time to visit Vietnam (Hanoi)?
- September is not an optimal month for Vietnam (Hanoi) (Score: 63/100), but it is manageable. For better conditions, consider March, April, October, and November.
- How warm is it in Vietnam (Hanoi) in September?
- In September, Vietnam (Hanoi) sees daily highs of 32°C. Nights cool to 25°C, with a daily average of 28°C.
- How much rain falls in Vietnam (Hanoi) in September?
- In September, Vietnam (Hanoi) receives an average of 222 mm of rain over 12 rain days. An umbrella may occasionally be needed.
- How many sunshine hours does Vietnam (Hanoi) get in September?
- Vietnam (Hanoi) averages 5 sunshine hours per day in September — above the annual average.
