September weather forecastPréfailles, France
September
Weather in September
Sea temperature
In September, the average sea temperature in Préfailles, France, is 18.5°C (65.3°F).Note: Swimming in 18.5°C (65.3°F) is not a pleasurable activity for the majority of people. Breathing becomes increasingly challenging as water temperature descends from 21°C (69.8°F) to 15°C (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
In Préfailles, in September, the average water temperature is 18.5°C (65.3°F). For swimming, a surface water temperature of 18.5°C (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 21°C (69.8°F).
The average day length in September in Préfailles is 12h and 34min.
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: 18.5°C
The best month for swimming (with the highest average sea temperature) is August (18.8°C).
The coldest month (with the lowest average sea temperature) is February (9.7°C).
Average daylight in September
Préfailles, France
- Average daylight in September: 12h and 36min
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).
