September weather forecastFosnavåg, Norway
September
Weather in September
Sea temperature
In Fosnavåg, Norway, the average seawater temperature in September is 13.7°C (56.7°F).Note: Swimming in 13.7°C (56.7°F) can be lethal. Merely spending a few minutes in 13°C (55.4°F) waters feels harsh, and venturing below 10°C (50°F) might disrupt breathing control and bring about cold shock, contingent on individual resilience.
Daylight
The average length of the day in September is 12h and 56min.On the first day of the month, sunrise is at 06:27 and sunset at 20:47. On the last day of September, sunrise is at 07:43 and sunset at 19:10 CEST.
Updated: Jan 26, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Fosnavåg, in September, the average water temperature is 13.7°C (56.7°F). Swimming in 13.7°C (56.7°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.
The average day length in September in Fosnavåg, Norway, is 12h and 56min.
On the first day of September, sunrise is at 06:27 and sunset at 20:47. On the last day of the month, sunrise is at 07:43 and sunset at 19:10 CEST.
Average sea temperature in September
Fosnavåg, Norway
- Average sea temperature in September: 13.7°C
The best month for swimming (with the highest average sea temperature) is August (14.3°C).
The coldest month (with the lowest average sea temperature) is March (5.3°C).
Average daylight in September
Fosnavåg, Norway
- Average daylight in September: 12h and 54min
The month with the longest days is June (Average daylight: 19h and 42min).
The month with the shortest days is December (Average daylight: 5h and 12min).





