September weather forecastBretteville, France
September
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.
Updated: Feb 2, 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
September is the month with the warmest seawater in Bretteville, with an average sea temperature of 17.7°C (63.9°F).
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).
The average day length in September is 12h and 36min.
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 36min
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).
