Shiwan Weather in September
What's the weather like in Shiwan (Guangdong Province) in September 2025?
The climate in Shiwan during September can be summarized as hot, humid and wet.
September is in the fall / autumn in Shiwan and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 24°C (75°F) is normal.
| Daytime temperature | 31.3°C 88.3°F |
|---|---|
| Nightly temperature | 23.9°C 75°F |
| Average temperature | 27.6°C 81.7°F |
| Daily sunshine | 6.7 hrs |
| Avg rainfall | 180 mm 7.1 ins |
| Rainy days | 13 days |
| Sea temperature | 28.2°C 82.7°F |
| Humidity | 77% |
| Windspeed | 6.8kph 4 mph |
On average September is the 6th wettest month of the year in Shiwan with around 180mm 7.1 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 6.7 hours of sunshine per day.
September temperatures in Shiwan
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 Shiwan in September 2025.
Other monthly averages
Best places to visit in September
Shiwan weather stats
| Hottest month: | July | 32.6°C 90.7°F |
|---|---|---|
| Driest month: | December | 26mm 1ins |
| Sunniest month: | July | 7.8hrs |
| Coldest month: | January | 18.1°C 64.6°F |
| Wettest month: | May | 290mm 11.4ins |
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