Sea Temperature in Flamanville in September

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

Flamanville Climate and Swimming Opportunities in September

Flamanville lies within the Normandy in France. The average daytime temperature in Flamanville in September is 20°C (67°F), while the nighttime average is 13°C (55°F). There are typically 10 rainy days during the month, with a total precipitation of 55 mm (2.1 inches). The daylight duration in September in Flamanville is 12 hours, with an average of 6 hours of sunshine per day. The average wind speed in September is 19 km/h (12 mph), and the humidity level is around 80%.

The water temperature in Flamanville 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 17°C (63°F) by mid-September and reaching 17°C (63°F) in the last ten days. Overall, the average sea temperature in Flamanville for September is 18°C (64°F). Ideal conditions for a refreshing swim, though some may still find it a bit cool.

Frequently Asked Questions About Water Temperatures in September in Flamanville