The climate in Douglas during September can be summarized as mild and dry.
September is in the fall / autumn in Douglas and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 24°C (75°F), whilst at night 5°C (41°F) is normal.
Daytime temperature | 23.7°C 74.6°F |
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Nightly temperature | 5°C 40.9°F |
Average temperature | 14.3°C 57.7°F |
Daily sunshine | 9.5 hrs |
Avg rainfall | 27 mm 1 ins |
Rainy days | 7 days |
Sea temperature | 16.5°C 61.8°F |
Humidity | 51% |
Windspeed | 17.3kph 11 mph |
On average September is the 5th wettest month of the year in Douglas with around 27mm 1 inches of rain making it a dry 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 9.5 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 Douglas in September 2024.
Best places to visit in September
Hottest month: | July | 30.4°C 86.7°F |
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Driest month: | January | 10mm 0.4ins |
Sunniest month: | August | 10.9hrs |
Coldest month: | January | 1.6°C 34.9°F |
Wettest month: | May | 58mm 2.3ins |