September weather forecastDouarnenez, France
September
Weather in September
Sea temperature
In September, the average sea temperature in Douarnenez, France, is 16.6°C (61.9°F).Note: The enjoyment of swimming decreases for most when the surface water temperature is 16.6°C (61.9°F). Breathing control becomes increasingly challenging as temperatures descend below 21°C (69.8°F).
Daylight
The average length of the day in September is 12h and 34min.On the first day of the month, sunrise is at 07:35 and sunset at 20:58. On the last day of September, in Douarnenez, sunrise is at 08:15 and sunset at 19:58 CEST.
Updated: Feb 5, 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 Douarnenez, France, in September, the average water temperature is 16.6°C (61.9°F). Swimming in 16.6°C (61.9°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).
In September, the average day length in Douarnenez is 12h and 34min.
In September, on the first day of the month, sunrise is at 07:35 and sunset at 20:58. On the last day of the month, in Douarnenez, sunrise is at 08:15 and sunset at 19:58 CEST.
Average sea temperature in September
Douarnenez, France
- Average sea temperature in September: 16.6°C
The best month for swimming (with the highest average sea temperature) is August (16.9°C).
The coldest month (with the lowest average sea temperature) is March (10.2°C).
Average daylight in September
Douarnenez, France
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
