Weather in September
Sea temperature
In September, the average sea temperature in Valleyfield, United Kingdom, is 14.1°C (57.4°F).Note: Swimming in 14.1°C (57.4°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.
Daylight
In Valleyfield, the average length of the day in September is 12h and 44min.On the first day of September, sunrise is at 6:19 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 6:51 pm BST.
Frequently asked questions
What is the water temperature in September in Valleyfield?
In September, the average sea temperature in Valleyfield is 14.1°C (57.4°F). Swimming in 14.1°C (57.4°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.
How many hours of daylight does Valleyfield have in September?
In September, the average day length is 12h and 44min.
What time are sunrise and sunset in September in Valleyfield?
In September, on the first day of the month, sunrise is at 6:19 am and sunset at 8:08 pm. On the last day of the month, in Valleyfield, United Kingdom, sunrise is at 7:16 am and sunset at 6:51 pm BST.
Average sea temperature in September
Valleyfield, United Kingdom
- Average sea temperature in September: 14.1°C
The best month for swimming (with the highest average sea temperature) is August (14.5°C).
The coldest months (with the lowest average sea temperature) are February and March (7°C).
Average daylight in September
Valleyfield, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 30min).
The month with the shortest days is December (Average daylight: 7h and 6min).
Valleyfield, United Kingdom
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