Cowes
United Kingdom
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Cowes, United Kingdom

Sea temperature

With an average sea temperature of 17.3°C (63.1°F), September is the month with the warmest seawater in Cowes, United Kingdom.
Note: For swimming, a surface water temperature of 17.3°C (63.1°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

Daylight

In September, the average length of the day in Cowes is 12.6h.

When is the sea warmest in Cowes?

With an average sea temperature of 17.3°C (63.1°F), September is the month with the warmest seawater in Cowes.

What is the sea temperature in September in Cowes?

In Cowes, United Kingdom, the average seawater temperature in September is 17.3°C (63.1°F). Swimming in 17.3°C (63.1°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

How many hours of daylight does Cowes have in September?

In September, the average length of the day in Cowes is 12.6h.
Average sea temperature in September - Cowes, United Kingdom
  • Average sea temperature in September: 17.3°C

The best month for swimming (with the highest average sea temperature) is September (17.3°C).
The coldest month (with the lowest average sea temperature) is March (8.6°C).

Average daylight in September - Cowes, United Kingdom
  • Average daylight in September: 12.6h

The month with the longest days is June (Average daylight: 16.4h).
The month with shortest days is December (Average daylight: 8.1h).