Channel Islands Weather September

To help you choose the best time to travel, you can find climate data below on the weather in the Channel Islands in September.


	average daily high	+18.7°C
	average daily low	+12.9°C
	sea temperature	+18°C

	daytime	13.1 h
	sunny / overcast hours	6.2 / 6.9
	average monthly precipitation	64 mm

Temperature in the Channel Islands

In September the average daily maximum in the Channel Islands is +18.7°C, and the minimum +12.9°C.

The hottest September day on record is +30.2°C, and the coldest +6°C.

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There are 13.1 hours of daylight in the Channel Islands in September. Out of these, on average 6.2 are sunny, which means it is mostly cloudy.

The average monthly temperature in the English Channel on the beaches of the Channel Islands in September is +18°C.

The water is considered very cool, but some hardy people might bathe in it for 10-15 minutes.

The amount of precipitation in the Channel Islands in September is usually 64 mm, which may cause a change of plans on certain days.