Séné
France
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Séné, France

Sea temperature

In September, the average sea temperature in Séné, France, is 18.2°C (64.8°F).
Note: For swimming, a surface water temperature of 18.2°C (64.8°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).

Daylight

In Séné, the average length of the day in September is 12.6h.

What is the sea water temperature in September in Séné?

In September, the average sea temperature in Séné, France, is 18.2°C (64.8°F). For swimming, a surface water temperature of 18.2°C (64.8°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).

How many hours of daylight does Séné have in September?

The average length of the day in September in Séné, France, is 12.6h.
Average sea temperature in September - Séné, France
  • Average sea temperature in September: 18.2°C

The best month for swimming (with the highest average sea temperature) is August (18.3°C).
The coldest month (with the lowest average sea temperature) is February (9.5°C).

Average daylight in September - Séné, France
  • Average daylight in September: 12.6h

The month with the longest days is June (Average daylight: 15.9h).
The month with shortest days is December (Average daylight: 8.5h).