Click on a day for an hourly weather forecast
The weather in Changsha in September is hot. The average temperatures are between 21°C and 30°C.
You can expect about 3 to 8 days of rain in Changsha during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Changsha in September 2025.
If you’re planning to visit Changsha in the near future, we highly recommend that you review the 14 day weather forecast for Changsha before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 11° / 4° | 6 | 24 | 1 | 61 mm | Ok | Changsha in January |
| February | 12° / 6° | 8 | 19 | 1 | 93 mm | Bad | Changsha in February |
| March | 18° / 10° | 12 | 19 | 0 | 176 mm | Ok | Changsha in March |
| April | 23° / 15° | 13 | 17 | 0 | 255 mm | Good | Changsha in April |
| May | 27° / 19° | 14 | 17 | 0 | 300 mm | Good | Changsha in May |
| June | 30° / 23° | 16 | 14 | 0 | 346 mm | Ok | Changsha in June |
| July | 33° / 26° | 13 | 18 | 0 | 260 mm | Ok | Changsha in July |
| August | 34° / 26° | 11 | 20 | 0 | 120 mm | Bad | Changsha in August |
| September | 30° / 21° | 7 | 23 | 0 | 98 mm | Ok | Changsha in September |
| October | 24° / 16° | 5 | 26 | 0 | 61 mm | Perfect | Changsha in October |
| November | 18° / 11° | 6 | 23 | 0 | 80 mm | Good | Changsha in November |
| December | 12° / 5° | 4 | 26 | 1 | 51 mm | Ok | Changsha in December |