Click on a day for an hourly weather forecast
The weather in Sichuan in September is hot. The average temperatures are between 20°C and 27°C.
You can expect rain for roughly half of the month of September in Sichuan. 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 Sichuan in September 2025.
If you’re planning to visit Sichuan in the near future, we highly recommend that you review the 14 day weather forecast for Sichuan before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 11° / 4° | 2 | 27 | 3 | 10 mm | Bad | Sichuan in January |
| February | 14° / 6° | 1 | 26 | 1 | 11 mm | Good | Sichuan in February |
| March | 20° / 11° | 1 | 30 | 0 | 22 mm | Good | Sichuan in March |
| April | 25° / 16° | 3 | 27 | 0 | 48 mm | Perfect | Sichuan in April |
| May | 29° / 20° | 4 | 27 | 0 | 75 mm | Good | Sichuan in May |
| June | 31° / 22° | 5 | 25 | 0 | 110 mm | Good | Sichuan in June |
| July | 31° / 23° | 14 | 17 | 0 | 340 mm | Ok | Sichuan in July |
| August | 32° / 23° | 12 | 19 | 0 | 338 mm | Ok | Sichuan in August |
| September | 27° / 20° | 9 | 21 | 0 | 146 mm | Good | Sichuan in September |
| October | 22° / 16° | 4 | 27 | 0 | 53 mm | Good | Sichuan in October |
| November | 17° / 11° | 2 | 28 | 0 | 25 mm | Good | Sichuan in November |
| December | 12° / 6° | 1 | 29 | 0 | 14 mm | Ok | Sichuan in December |