Sea Temperature in Pénestin in September

© Filipe Ribeiro

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

Pénestin Climate and Swimming Opportunities in September

Pénestin lies within the Brittany in France. The average daytime temperature in Pénestin in September is 22°C (71°F), while the nighttime average is 13°C (56°F). There are typically nine rainy days during the month, with a total precipitation of 59 mm (2.3 inches). The daylight duration in September in Pénestin is 12 hours, with an average of 6 hours of sunshine per day. The average wind speed in September is 16 km/h (10 mph), and the humidity level is around 80%.

The water temperature in Pénestin in September ranges from 16°C to 18°C (61°F to 64°F). At the beginning of the month, the average temperature is around 18°C (64°F), shifting to 18°C (64°F) by mid-September and reaching 17°C (63°F) in the last ten days. Overall, the average sea temperature in Pénestin for September is 18°C (64°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 Pénestin