September
Weather in September
Sea temperature
In September, the average sea temperature in Préfailles, France, is 65.3°F.Note: Swimming in 65.3°F is not a pleasurable activity for the majority of people. Breathing becomes increasingly challenging as water temperature descends from 69.8°F to 59°F.
Daylight
The average length of the day in September in Préfailles is 12h and 34min.On the first day of the month, sunrise is at 07:28 and sunset at 20:48. On the last day of September, in Préfailles, sunrise is at 08:07 and sunset at 19:50 CEST.
Updated: Feb 8, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the sea water temperature in September in Préfailles?
In Préfailles, in September, the average water temperature is 65.3°F. For swimming, a surface water temperature of 65.3°F is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F.
What is the average length of the day in September in Préfailles?
The average day length in September in Préfailles is 12h and 34min.
When are sunrise and sunset in September in Préfailles?
In September, on the first day of the month, sunrise is at 07:28 and sunset at 20:48. On the last day of the month, in Préfailles, sunrise is at 08:07 and sunset at 19:50 CEST.
Average sea temperature in September
Préfailles, France
- Average sea temperature in September: 65.4°F
The best month for swimming (with the highest average sea temperature) is August (65.7°F).
The coldest month (with the lowest average sea temperature) is February (49.4°F).
Average daylight in September
Préfailles, France
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
