Thanh Hóa Province weather in September
September is one of the least pleasant months in Thanh Hóa Province: highs of 30°C (86°F) and about 309 mm (12.2 in) of rain on average. Nights average 24°C (75°F) and cloud cover 77% (NASA POWER, 2001–2025 averages). It is the wettest month of the year and the 5th warmest. Compared with August, it is cooler and about as wet; October brings highs of 28°C (82°F) and 203 mm (8.0 in) of rain.
Figures are long-term averages for Thanh Hóa, the largest city in Thanh Hóa Province. See below for other places.
Is September a good time to visit Thanh Hóa Province?
least pleasant month Weather score 35/100.
September is one of the least pleasant months for weather in Thanh Hóa Province. For better conditions, consider Nov–Apr.
Does it rain a lot in Thanh Hóa Province in September?
Yes, it is one of the rainy months: about 309 mm (12.2 in) falls in an average September. It is the wettest month of the year.
How warm is Thanh Hóa Province in September?
Days average 30°C (86°F) and nights 24°C (75°F).
Thanh Hóa Province weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 21°C (69°F) | 12°C (54°F) | 29 mm | 74% | best |
| February | 23°C (74°F) | 14°C (58°F) | 18 mm | 77% | best |
| March | 26°C (79°F) | 17°C (63°F) | 45 mm | 80% | best |
| April | 30°C (85°F) | 21°C (69°F) | 64 mm | 74% | best |
| May | 32°C (89°F) | 24°C (75°F) | 162 mm | 78% | fair |
| June | 32°C (90°F) | 25°C (78°F) | 144 mm | 84% | fair |
| July | 32°C (89°F) | 25°C (78°F) | 243 mm | 84% | least pleasant |
| August | 31°C (88°F) | 25°C (77°F) | 299 mm | 85% | least pleasant |
| September | 30°C (86°F) | 24°C (75°F) | 309 mm | 77% | least pleasant |
| October | 28°C (82°F) | 21°C (70°F) | 203 mm | 66% | fair |
| November | 25°C (77°F) | 17°C (63°F) | 65 mm | 63% | best |
| December | 21°C (70°F) | 13°C (56°F) | 30 mm | 71% | best |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months
Weather across Thanh Hóa Province in September
Weather can differ a lot within Thanh Hóa Province: coasts, hills and mountains each have their own climate.
| Place | High | Low | Rain | Weather |
|---|---|---|---|---|
| Thanh Hóa | 30°C (86°F) | 24°C (75°F) | 309 mm | least pleasant |
| Nghi Sơn | 30°C (86°F) | 25°C (76°F) | 371 mm | least pleasant |
| Sầm Sơn | 30°C (86°F) | 25°C (76°F) | 371 mm | least pleasant |
| Bỉm Sơn | 30°C (86°F) | 24°C (75°F) | 309 mm | least pleasant |
| Nga Sơn | 30°C (85°F) | 27°C (80°F) | 315 mm | least pleasant |
| Thị Trấn Sao Vàng | 30°C (86°F) | 24°C (75°F) | 309 mm | least pleasant |
| Thị Trấn Lam Sơn | 30°C (86°F) | 24°C (75°F) | 309 mm | least pleasant |
| Thị Trấn Vân Du | 30°C (86°F) | 24°C (75°F) | 309 mm | least pleasant |