Weather in September
Sea temperature
With an average sea temperature of 17.7°C (63.9°F), September is the month with the warmest seawater in Équeurdreville-Hainneville, France.Note: Most people find it challenging to enjoy swimming in water that is 17.7°C (63.9°F). As water temperature falls below 21°C (69.8°F), controlling breathing grows increasingly difficult.
Daylight
In September, the average length of the day is 12h and 36min.On the first day of September in Équeurdreville-Hainneville, sunrise is at 07:23 and sunset at 20:49. On the last day of the month, sunrise is at 08:05 and sunset at 19:47 CEST.
Frequently asked questions
When is the sea warmest in Équeurdreville-Hainneville?
September is the month with the warmest seawater, with an average sea temperature of 17.7°C (63.9°F).
What is the sea temperature in September in Équeurdreville-Hainneville?
In Équeurdreville-Hainneville, France, in September, the average water temperature is 17.7°C (63.9°F). For most, swimming in 17.7°C (63.9°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).
How many hours of daylight does Équeurdreville-Hainneville have in September?
In September, the average day length in Équeurdreville-Hainneville is 12h and 36min.
What time are sunrise and sunset in September in Équeurdreville-Hainneville?
In September, on the first day of the month, sunrise is at 07:23 and sunset at 20:49. On the last day of the month, sunrise is at 08:05 and sunset at 19:47 CEST.
Average sea temperature in September
Équeurdreville-Hainneville, France
- Average sea temperature in September: 17.7°C
The best month for swimming (with the highest average sea temperature) is September (17.7°C).
The coldest month (with the lowest average sea temperature) is March (9.1°C).
Average daylight in September
Équeurdreville-Hainneville, France
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
Équeurdreville-Hainneville, France
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