Weather in September
Sea temperature
September is the month with the warmest seawater in Bretteville, France, with an average sea temperature of 17.7°C (63.9°F).Note: For the majority, swimming in water with a temperature of 17.7°C (63.9°F) is not enjoyable. The difficulty in managing breathing rises as the temperature decreases from 21°C (69.8°F) to 15°C (59°F).
Daylight
In September, the average length of the day is 12h and 36min.On the first day of September in Bretteville, sunrise is at 07:22 and sunset at 20:49. On the last day of the month, sunrise is at 08:05 and sunset at 19:46 CEST.
Frequently asked questions
What month is the sea warmest in Bretteville?
September is the month with the warmest seawater in Bretteville, with an average sea temperature of 17.7°C (63.9°F).
How cold is the water in September in Bretteville?
In Bretteville, France, the average seawater temperature in September 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 Bretteville have in September?
The average day length in September is 12h and 36min.
When are sunrise and sunset in September in Bretteville?
In September, on the first day of the month, sunrise is at 07:22 and sunset at 20:49. On the last day of the month, sunrise is at 08:05 and sunset at 19:46 CEST.
Average sea temperature in September
Bretteville, 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
Bretteville, 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).
Bretteville, France
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location
