Sea Temperature in Île d'Aix in September

© Marc M

Complete information on the sea temperature range in the Bay of Biscay in Île d'Aix in September. Historical daily data. Climate details for September. Tips on swimming conditions and beach relaxation in Île d'Aix. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Île d'Aix Climate and Swimming Opportunities in September

Île d'Aix lies within the Nouvelle-Aquitaine in France. The average daytime temperature in Île d'Aix in September is 22°C (71°F), while the nighttime average is 14°C (57°F). There are typically nine rainy days during the month, with a total precipitation of 61 mm (2.4 inches). The daylight duration in September in Île d'Aix is 12 hours, with an average of 7 hours of sunshine per day. The average wind speed in September is 16 km/h (10 mph), and the humidity level is around 78%.

The water temperature in Île d'Aix in September ranges from 17°C to 20°C (63°F to 68°F). At the beginning of the month, the average temperature is around 20°C (68°F), shifting to 19°C (66°F) by mid-September and reaching 18°C (64°F) in the last ten days. Overall, the average sea temperature in Île d'Aix for September is 19°C (66°F). Very comfortable swimming conditions. The water is fresh but not too cold, and the air temperature is pleasant.

Frequently Asked Questions About Water Temperatures in September in Île d'Aix