Haiphong weather in September
September is one of the least pleasant months in Haiphong: highs of 30°C (86°F) and about 240 mm (9.4 in) of rain on average. Nights average 24°C (76°F) and cloud cover 73% (NASA POWER, 2001–2025 averages). It is the 3rd wettest month of the year and the 5th warmest. Compared with August, it is about as warm and drier; October brings highs of 28°C (82°F) and 122 mm (4.8 in) of rain.
Is September a good time to visit Haiphong?
least pleasant month Weather score 45/100.
September is one of the least pleasant months for weather in Haiphong. For better conditions, consider Oct–Apr.
Does it rain a lot in Haiphong in September?
Yes, it is one of the rainy months: about 240 mm (9.4 in) falls in an average September. It is the 3rd wettest month of the year.
How warm is Haiphong in September?
Days average 30°C (86°F) and nights 24°C (76°F).
Haiphong weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 20°C (67°F) | 12°C (53°F) | 39 mm | 75% | best |
| February | 22°C (71°F) | 14°C (57°F) | 25 mm | 79% | best |
| March | 24°C (76°F) | 17°C (62°F) | 50 mm | 84% | best |
| April | 28°C (82°F) | 20°C (69°F) | 69 mm | 78% | best |
| May | 30°C (86°F) | 24°C (75°F) | 168 mm | 76% | fair |
| June | 30°C (87°F) | 26°C (79°F) | 213 mm | 84% | least pleasant |
| July | 30°C (87°F) | 26°C (79°F) | 302 mm | 81% | least pleasant |
| August | 30°C (86°F) | 26°C (78°F) | 338 mm | 82% | least pleasant |
| September | 30°C (86°F) | 24°C (76°F) | 240 mm | 73% | least pleasant |
| October | 28°C (82°F) | 21°C (71°F) | 122 mm | 59% | best |
| November | 25°C (77°F) | 18°C (64°F) | 51 mm | 59% | best |
| December | 21°C (69°F) | 13°C (55°F) | 28 mm | 68% | best |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months