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.
Temperatures
30° / 21°
Rainy Days
7
Snowy Days
0
Dry Days
23
Rainfall
98
mm
Sun Hours
5.6
Hrs
