Click on a day for an hourly weather forecast
The weather in China in September is hot. The average temperatures are between 21°C and 28°C.
You can expect rain for roughly half of the month of September in China. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in China in September 2025.
If you’re planning to visit China in the near future, we highly recommend that you review the 14 day weather forecast for China before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 9° / 3° | 5 | 24 | 2 | 52 mm | Bad | China in January |
| February | 11° / 4° | 6 | 20 | 2 | 79 mm | Bad | China in February |
| March | 15° / 7° | 7 | 24 | 0 | 93 mm | Ok | China in March |
| April | 20° / 12° | 4 | 26 | 0 | 65 mm | Good | China in April |
| May | 26° / 17° | 6 | 25 | 0 | 91 mm | Perfect | China in May |
| June | 28° / 21° | 10 | 20 | 0 | 256 mm | Good | China in June |
| July | 31° / 25° | 14 | 17 | 0 | 284 mm | Ok | China in July |
| August | 32° / 25° | 12 | 19 | 0 | 212 mm | Ok | China in August |
| September | 28° / 21° | 8 | 22 | 0 | 146 mm | Good | China in September |
| October | 23° / 17° | 3 | 28 | 0 | 62 mm | Perfect | China in October |
| November | 18° / 12° | 5 | 25 | 0 | 68 mm | Good | China in November |
| December | 11° / 6° | 5 | 25 | 1 | 60 mm | Ok | China in December |