Weather in China for September 2025
Rainstorm Warning - See hour by hour.
So far, September 2025 in China shows a warmer trend than usual by 2.4 °C.
Expect cooler weather in the next days in China with the forecast suggesting a temperature of 28.4 °C, lower than the historical average.
In general, the average temperature in China at the beginning of September is 31.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 28.1 °C by the end of September.
China experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 193.9 mm.
Is September a good time to visit China? check out the best time to travel to China page.
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China Weather September
What’s the Weather Like in China This September?
Temperatures trend during September in China
September weather in China day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Partly cloudy | 33° /24° | 2.2 mm | 8 | |
| 2 Sept. |  Light rain shower | 31° /24° | 5.2 mm | 7 | |
| 3 Sept. | Patchy rain possible | 30° /24° | 8 mm | 6 | |
| 4 Sept. |  Moderate or heavy rain shower | 32° /24° | 3.4 mm | 7 | |
| 5 Sept. | Patchy rain possible | 31° /24° | 2.2 mm | 7 | |
| 6 Sept. | Moderate or heavy rain shower | 33° /24° | 1.7 mm | 8 | |
| 7 Sept. | Partly cloudy | 33° /24° | 1 mm | 7 | |
| 8 Sept. | Patchy rain possible | 32° /24° | 1.1 mm | 7 | |
| 9 Sept. | Moderate or heavy rain shower | 31° /23° | 7.3 mm | 7 | |
| 10 Sept. | Light rain shower | 30° /23° | 5.6 mm | 7 | |
| 11 Sept. | Moderate or heavy rain shower | 30° /23° | 12.5 mm | 7 | |
| 12 Sept. | Patchy rain possible | 30° /24° | 24.6 mm | 6 | |
| 13 Sept. | Moderate or heavy rain shower | 28° /23° | 22 mm | 6 | |
| 14 Sept. | Moderate or heavy rain shower | 28° /23° | 20.6 mm | 6 | |
| 15 Sept. | Moderate or heavy rain shower | 28° /23° | 7.2 mm | 6 | |
| 16 Sept. |  Overcast | 27° /22° | 25.7 mm | 6 | |
| 17 Sept. | Patchy rain possible | 35° /27° | 0.7 mm | 1.6 | |
| 18 Sept. | Patchy rain possible | 28° /24° | 2.1 mm | 0.9 | |
| 19 Sept. |  Cloudy | 29° /24° | 0 mm | 1.1 | |
| 20 Sept. | Patchy rain possible | 25° /23° | 0.6 mm | 1.3 | |
| 21 Sept. | Partly cloudy | 28° /23° | 0 mm | 7 | |
| 22 Sept. | Patchy rain possible | 29° /23° | 0.5 mm | 6 | |
| 23 Sept. | Patchy rain possible | 27° /25° | 2.7 mm | 6 | |
| 24 Sept. | Patchy rain possible | 26° /24° | 2 mm | 5 | |
| 25 Sept. | Patchy rain possible | 28° /24° | 0.1 mm | 6 | |
| 26 Sept. | Partly cloudy | 29° /23° | 0 mm | 7 | |
| 27 Sept. | Patchy rain possible | 30° /24° | 0 mm | 6 | |
| 28 Sept. | Partly cloudy | 30° /24° | 0 mm | 7 | |
| 29 Sept. |  Sunny | 28° /22° | 0 mm | 6 | |
| 30 Sept. | Partly cloudy | 26° /21° | 0.1 mm | 6 | |
| Next | |||||
China weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 33°/26° | 29°/23° | 23°/17° |
| Rainfall | 132 mm | 194 mm | 49 mm |
| Wind | 14.9 km/h | 17.1 km/h | 16.3 km/h |
| Humidity | 73% | 76% | 66% |
| Rainy days | 23 days | 21 days | 13 days |
| Dry days | 8 days | 9 days | 18 days |
Planning a trip to China? Discover the best time to visit
China in September - FAQ
What to pack to China in September?
As you prepare for your trip to China in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in China, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Lightweight Clothing: T-shirts, blouses, shorts, skirts
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Sandals/Flip-flops: Comfortable for warm climates
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
- Personal Items
- Sunscreen: High SPF for sunny destinations
- Lip Balm with SPF: To protect against chapped lips
September rainfall patterns in China
UV exposure in China during September
Quick links
Where is China?Get accurate weather forecasts for China, located at latitude 31.222 and longitude 121.458. Stay updated with localized weather information tailored for China.