Weather in September
Sea temperature
In September, the average sea temperature in Knarvik, Norway, is 14.4°C (57.9°F).Note: In 14.4°C (57.9°F), cold shock and rapid breathing can occur when swimming at temperatures below 10°C (50°F).
Daylight
In September, the average length of the day is 12h and 53min.On the first day of the month, sunrise is at 06:33 and sunset at 20:43. On the last day of September, sunrise is at 07:43 and sunset at 19:13 CEST.
Frequently asked questions
How cold is the water in September in Knarvik?
In Knarvik, Norway, the average seawater temperature in September is 14.4°C (57.9°F). Swimming in 14.4°C (57.9°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 Knarvik have in September?
In September, the average day length is 12h and 53min.
When are sunrise and sunset in September in Knarvik?
In September, on the first day of the month, sunrise is at 06:33 and sunset at 20:43. On the last day of the month, sunrise is at 07:43 and sunset at 19:13 CEST.
Average sea temperature in September
Knarvik, Norway
- Average sea temperature in September: 14.4°C
The best month for swimming (with the highest average sea temperature) is August (15.3°C).
The coldest month (with the lowest average sea temperature) is March (4.9°C).
Average daylight in September
Knarvik, Norway
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).
Knarvik, Norway
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