Weather in September
Sea temperature
In September, the average sea temperature in La Guérinière, France, is 18.8°C (65.8°F).Note: Swimming in 18.8°C (65.8°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
In La Guérinière, the average length of the day in September is 12h and 33min.On the first day of September in La Guérinière, sunrise is at 07:29 and sunset at 20:48. On the last day of the month, sunrise is at 08:07 and sunset at 19:50 CEST.
Frequently asked questions
What is the sea water temperature in September in La Guérinière?
In La Guérinière, France, in September, the average water temperature is 18.8°C (65.8°F). For most, swimming in 18.8°C (65.8°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).
What is the average length of the day in September in La Guérinière?
In La Guérinière, the average day length in September is 12h and 33min.
What time are sunrise and sunset in September in La Guérinière?
In September, on the first day of the month, sunrise is at 07:29 and sunset at 20:48. On the last day of the month, sunrise is at 08:07 and sunset at 19:50 CEST.
Average sea temperature in September
La Guérinière, France
- Average sea temperature in September: 18.8°C
The best month for swimming (with the highest average sea temperature) is August (19.1°C).
The coldest month (with the lowest average sea temperature) is February (9.8°C).
Average daylight in September
La Guérinière, France
- Average daylight in September: 12h and 4min
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).
La Guérinière, France
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