Sea Temperature in Hayle in September

© Paul Hudson

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

Hayle Climate and Swimming Opportunities in September

Hayle lies within the England in United Kingdom. The average daytime temperature in Hayle 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 63 mm (2.5 inches). The daylight duration in September in Hayle is 12 hours, with an average of 6 hours of sunshine per day. The average wind speed in September is 18 km/h (11 mph), and the humidity level is around 83%.

The water temperature in Hayle in September ranges from 15°C to 17°C (59°F to 63°F). At the beginning of the month, the average temperature is around 17°C (63°F), shifting to 16°C (61°F) by mid-September and reaching 16°C (61°F) in the last ten days. Overall, the average sea temperature in Hayle for September is 16°C (61°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 Hayle