Click on a day for an hourly weather forecast
The weather in Zhejiang 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 Zhejiang. 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 Zhejiang in September 2025.
If you’re planning to visit Zhejiang in the near future, we highly recommend that you review the 14 day weather forecast for Zhejiang before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 10° / 4° | 6 | 22 | 3 | 91 mm | Bad | Zhejiang in January |
| February | 12° / 5° | 9 | 17 | 3 | 116 mm | Awful | Zhejiang in February |
| March | 17° / 8° | 9 | 21 | 1 | 153 mm | Ok | Zhejiang in March |
| April | 22° / 13° | 7 | 23 | 0 | 124 mm | Ok | Zhejiang in April |
| May | 27° / 18° | 9 | 22 | 0 | 156 mm | Good | Zhejiang in May |
| June | 29° / 21° | 14 | 16 | 0 | 345 mm | Ok | Zhejiang in June |
| July | 33° / 25° | 18 | 13 | 0 | 365 mm | Ok | Zhejiang in July |
| August | 33° / 25° | 15 | 16 | 0 | 307 mm | Ok | Zhejiang in August |
| September | 28° / 21° | 9 | 21 | 0 | 152 mm | Good | Zhejiang in September |
| October | 23° / 16° | 4 | 27 | 0 | 71 mm | Perfect | Zhejiang in October |
| November | 18° / 11° | 6 | 24 | 0 | 85 mm | Good | Zhejiang in November |
| December | 12° / 6° | 5 | 25 | 1 | 85 mm | Ok | Zhejiang in December |