The climate in Gulou during September can be summarized as warm and reasonably dry.
September is in the fall / autumn in Gulou and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 23°C (73°F), whilst at night 13°C (56°F) is normal.
Daytime temperature | 22.9°C 73.1°F |
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Nightly temperature | 13.4°C 56°F |
Average temperature | 18.1°C 64.6°F |
Daily sunshine | 8.6 hrs |
Avg rainfall | 73 mm 2.9 ins |
Rainy days | 8 days |
Sea temperature | 22.3°C 72.2°F |
Humidity | 69% |
Windspeed | 11.5kph 7 mph |
On average September is the 3rd wettest month of the year in Gulou with around 73mm 2.9 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.6 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 Gulou in September 2025.
Best places to visit in September
Hottest month: | July | 27.7°C 81.9°F |
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Driest month: | January | 7mm 0.3ins |
Sunniest month: | October | 7.9hrs |
Coldest month: | January | -4.5°C 23.9°F |
Wettest month: | July | 188mm 7.4ins |