China Weather in September
What's the weather like in China (Nuevo León) in September 2025?
The climate in China during September can be summarized as very hot, humid and damp.
September is in the fall / autumn in China and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a steamy 34°C (93°F), whilst at night 22°C (72°F) is normal.
| Daytime temperature | 33.8°C 92.8°F |
|---|---|
| Nightly temperature | 22.2°C 72°F |
| Average temperature | 28°C 82.4°F |
| Daily sunshine | 6.3 hrs |
| Avg rainfall | 118 mm 4.7 ins |
| Rainy days | 7 days |
| Sea temperature | 29.2°C 84.6°F |
| Humidity | 70% |
| Windspeed | 11.9kph 7 mph |
On average September is the wettest month of the year in China with around 118mm 4.7 inches of rain making it a damp time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.3 hours of sunshine per day.
September temperatures in China
September rainfall
September hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in China in September 2025.
Other monthly averages
Best places to visit in September
China weather stats
| Hottest month: | July | 37.3°C 99.1°F |
|---|---|---|
| Driest month: | March | 14mm 0.6ins |
| Sunniest month: | July | 8.2hrs |
| Coldest month: | January | 20.3°C 68.5°F |
| Wettest month: | September | 118mm 4.6ins |
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