The climate in Changshu City during September can be summarized as hot, humid and wet.
September is in the fall / autumn in Changshu City and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 27°C (80°F), whilst at night 20°C (67°F) is normal.
Daytime temperature | 26.7°C 80°F |
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Nightly temperature | 19.6°C 67.2°F |
Average temperature | 23.1°C 73.6°F |
Daily sunshine | 6 hrs |
Avg rainfall | 126 mm 5 ins |
Rainy days | 13 days |
Sea temperature | 25.6°C 78.1°F |
Humidity | 80% |
Windspeed | 9.7kph 6 mph |
On average September is the 3rd wettest month of the year in Changshu City with around 126mm 5 inches of rain making it a wet time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.
On the flip side this corresponds to an average of 6 hours of sunshine per day.
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 Changshu City in September 2024.
Best places to visit in September
Hottest month: | July | 31.2°C 88.2°F |
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Driest month: | December | 34mm 1.3ins |
Sunniest month: | August | 8.2hrs |
Coldest month: | January | 6.8°C 44.2°F |
Wettest month: | June | 165mm 6.5ins |