September weather forecastKnarvik, Norway
September
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.
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 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.
In September, the average day length is 12h and 53min.
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 54min
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).
