Weather in September
Sea temperature
In Bjarkøy, Norway, in September, the average water temperature is 10.7°C (51.3°F).Note: Swimming in 10.7°C (51.3°F) at temperatures under 10°C (50°F) requires thermal swimsuits; otherwise, one can face cold shock and breathing difficulty. Even brief immersion at 13°C (55.4°F) feels frosty.
Daylight
The average length of the day in September is 13h and 17min.On the first day of the month, sunrise is at 05:17 and sunset at 20:30. On the last day of September, sunrise is at 07:06 and sunset at 18:20 CEST.
Frequently asked questions
What is the sea water temperature in September in Bjarkøy?
In September, the average sea temperature in Bjarkøy is 10.7°C (51.3°F). Swimming in 10.7°C (51.3°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.
How many hours of daylight does Bjarkøy have in September?
The average day length in September in Bjarkøy, Norway, is 13h and 17min.
When are sunrise and sunset in September in Bjarkøy?
In September, on the first day of the month, sunrise is at 05:17 and sunset at 20:30. On the last day of the month, in Bjarkøy, sunrise is at 07:06 and sunset at 18:20 CEST.
Average sea temperature in September
Bjarkøy, Norway
- Average sea temperature in September: 10.7°C
The best month for swimming (with the highest average sea temperature) is August (12.3°C).
The coldest month (with the lowest average sea temperature) is March (3.8°C).
Average daylight in September
Bjarkøy, Norway
- Average daylight in September: 13h and 2min
The month with the longest days is August (Average daylight: 17h and 42min).
The month with the shortest days is June (Average daylight: 0h and 0min).
Bjarkøy, Norway
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location
