What to Wear in Hanoi in September
Still hot with heavy rain, easing toward end. Expect 24°–30°C with 15 rainy days on average.
☀️
High
30°C
🌙
Low
24°C
🌧️
Rain days
15
🌡️
Feel
Rainy Day
Typical outfit
~27°C average
About September in Hanoi
September in Hanoi typically brings still hot with heavy rain, easing toward end. With averages of 24°–30°C, the conditions call for rain is in the forecast — waterproof layers are your best friend today.
Dress in waterproof layers rather than one very thick coat. You'll warm up walking and cool down in buildings.
September in other cities