Knarvik
Norway
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Knarvik, Norway

Sea temperature

In Knarvik, Norway, the average seawater temperature in September is 14.4°C (57.9°F).
Note: At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

Daylight

In Knarvik, Norway, the average length of the day in September is 12.9h.

How cold is the water in September in Knarvik?

In September, the average sea temperature in Knarvik 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.

What is the average length of the day in September in Knarvik?

In September, the average length of the day in Knarvik is 12.9h.
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: 12.9h

The month with the longest days is June (Average daylight: 18.9h).
The month with shortest days is December (Average daylight: 5.9h).