The climate in Bray-Dunes during September can be summarized as mild and reasonably dry.
September is in the fall / autumn in Bray-Dunes and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 19°C (66°F), whilst at night 10°C (51°F) is normal.
Daytime temperature | 18.8°C 65.8°F |
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Nightly temperature | 10.4°C 50.7°F |
Average temperature | 14.6°C 58.3°F |
Daily sunshine | 5.5 hrs |
Avg rainfall | 68 mm 2.7 ins |
Rainy days | 16 days |
Sea temperature | 17.4°C 63.3°F |
Humidity | 82% |
Windspeed | 16.2kph 10 mph |
On average September is the 3rd wettest month of the year in Bray-Dunes with around 68mm 2.7 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.5 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 Bray-Dunes in September 2025.
Best places to visit in September
Hottest month: | August | 20.7°C 69.3°F |
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Driest month: | February | 38mm 1.5ins |
Sunniest month: | August | 7.9hrs |
Coldest month: | January | 5.7°C 42.3°F |
Wettest month: | November | 78mm 3.1ins |