Hanoi in September
In September, Hanoi averages 31°C (88°F) during the day and 24°C (75°F) at night, with around 13 days of rain (230 mm total).
Conditions are warm and beach-friendly. Plan for unsettled weather and bring rain gear.
It's peak typhoon season in Hanoi during September. Travel is possible but expect storm risk, possible flight disruption, and generally lower travel insurance coverage.
31°C
Avg high
24°C
Avg low
13
Rain days
230 mm
Rainfall
Hanoi in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 20°C / 68°F | 14°C / 57°F | 20 mm | 8 | 0 |
| February | 21°C / 70°F | 15°C / 59°F | 30 mm | 12 | 0 |
| March | 23°C / 73°F | 18°C / 64°F | 45 mm | 15 | 0 |
| April | 28°C / 82°F | 21°C / 70°F | 95 mm | 13 | 0 |
| May | 32°C / 90°F | 24°C / 75°F | 195 mm | 14 | 0 |
| June | 33°C / 91°F | 26°C / 79°F | 240 mm | 14 | 0 |
| July | 33°C / 91°F | 26°C / 79°F | 290 mm | 15 | 0 |
| August | 32°C / 90°F | 26°C / 79°F | 320 mm | 16 | 0 |
| September | 31°C / 88°F | 24°C / 75°F | 230 mm | 13 | 0 |
| October | 29°C / 84°F | 22°C / 72°F | 130 mm | 9 | 0 |
| November | 26°C / 79°F | 18°C / 64°F | 45 mm | 6 | 0 |
| December | 22°C / 72°F | 15°C / 59°F | 25 mm | 6 | 0 |
Other cities with similar September weather
Check the live 10-day forecast and sunrise/sunset.