September weather forecastLanester, France
September
Weather in September
Sea temperature
In Lanester, France, the average seawater temperature in September is 17.8°C (64°F).Note: Swimming in water at 17.8°C (64°F) is not a pleasing experience for the majority. As the temperature descends from 21°C (69.8°F) to 15°C (59°F), controlling breathing becomes increasingly hard.
Daylight
In Lanester, France, the average length of the day in September is 12h and 34min.On the first day of September, sunrise is at 07:32 and sunset at 20:53. On the last day of the month, sunrise is at 08:11 and sunset at 19:54 CEST.
Updated: Feb 9, 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 Lanester, in September, the average water temperature is 17.8°C (64°F). For swimming, a surface water temperature of 17.8°C (64°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 Lanester is 12h and 34min.
In September, on the first day of the month, sunrise is at 07:32 and sunset at 20:53. On the last day of the month, sunrise is at 08:11 and sunset at 19:54 CEST.
Average sea temperature in September
Lanester, France
- Average sea temperature in September: 17.8°C
The best month for swimming (with the highest average sea temperature) is August (17.9°C).
The coldest month (with the lowest average sea temperature) is February (9.9°C).
Average daylight in September
Lanester, France
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).





