Sea Temperature in Saint Agnes in September

© Sally Eve

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

Saint Agnes Climate and Swimming Opportunities in September

Saint Agnes lies within the England in United Kingdom. The average daytime temperature in Saint Agnes in September is 17°C (63°F), while the nighttime average is 11°C (51°F). There are typically 14 rainy days during the month, with a total precipitation of 87 mm (3.4 inches). The daylight duration in September in Saint Agnes is 13 hours, with an average of 5 hours of sunshine per day. The average wind speed in September is 14 km/h (9 mph), and the humidity level is around 86%.

The water temperature in Saint Agnes in September ranges from 15°C to 16°C (59°F to 61°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 Saint Agnes 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 Saint Agnes