Weather in September
Sea temperature
In September, the average sea temperature in Saint Ives, United Kingdom, is 16.3°C (61.3°F).Note: Swimming in water at 16.3°C (61.3°F) is not a pleasurable experience for most. The task of managing breathing becomes more challenging as the water temperature descends from 21°C (69.8°F) to 15°C (59°F).
Daylight
In September, the average length of the day in Saint Ives, United Kingdom, is 12h and 37min.On the first day of September in Saint Ives, sunrise is at 6:37 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 7:02 pm BST.
Frequently asked questions
What is the sea water temperature in September in Saint Ives?
In Saint Ives, United Kingdom, in September, the average water temperature is 16.3°C (61.3°F). Swimming in 16.3°C (61.3°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).
What is the average length of the day in September in Saint Ives?
The average day length in September in Saint Ives, United Kingdom, is 12h and 37min.
When is the sunrise / sunset in September in Saint Ives?
In September, on the first day of the month, sunrise is at 6:37 am and sunset at 8:06 pm. On the last day of the month, in Saint Ives, United Kingdom, sunrise is at 7:21 am and sunset at 7:02 pm BST.
Average sea temperature in September
Saint Ives, 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
Saint Ives, 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).
Saint Ives, 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