Weather in September
Sea temperature
In September, the average sea temperature in Hayle, United Kingdom, is 16.3°C (61.3°F).Note: Most people do not find pleasure in swimming when the water temperature is 16.3°C (61.3°F). Breathing becomes increasingly difficult to manage as the water temperature drops from 21°C (69.8°F) to 15°C (59°F).
Daylight
The average length of the day in September is 12h and 37min.On the first day of the month, sunrise is at 6:37 am and sunset at 8:05 pm. On the last day of September, sunrise is at 7:21 am and sunset at 7:01 pm BST.
Frequently asked questions
What is the sea water temperature in September in Hayle?
In Hayle, the average seawater temperature in September is 16.3°C (61.3°F). For swimming, a surface water temperature of 16.3°C (61.3°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).
What is the average length of the day in September in Hayle?
In September, the average day length in Hayle is 12h and 37min.
When is the sunrise / sunset in September in Hayle?
On the first day of September, sunrise is at 6:37 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 7:01 pm BST.
Average sea temperature in September
Hayle, United Kingdom
- Average sea temperature in September: 16.3°C
The best month for swimming (with the highest average sea temperature) is August (17.1°C).
The coldest month (with the lowest average sea temperature) is March (9.7°C).
Average daylight in September
Hayle, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 6min).
Hayle, United Kingdom
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location
