Weather in September
Sea temperature
In Havøysund, Norway, the average seawater temperature in September is 9.3°C (48.7°F).Note: Navigating the 9.3°C (48.7°F) at 13°C (55.4°F) is no joy, and temperatures less than 10°C (50°F) can threaten breathing and cause a chilling shock, gauging personal stamina.
Daylight
In Havøysund, Norway, the average length of the day in September is 13h and 26min.On the first day of the month, sunrise is at 04:33 and sunset at 20:09. On the last day of September, sunrise is at 06:36 and sunset at 17:45 CEST.
Frequently asked questions
What is the water temperature in September in Havøysund?
In Havøysund, Norway, the average seawater temperature in September is 9.3°C (48.7°F). Swimming in 9.3°C (48.7°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 Havøysund?
In September, the average day length in Havøysund, Norway, is 13h and 26min.
When are sunrise and sunset in September in Havøysund?
On the first day of September in Havøysund, sunrise is at 04:33 and sunset at 20:09. On the last day of the month, sunrise is at 06:36 and sunset at 17:45 CEST.
Average sea temperature in September
Havøysund, Norway
- Average sea temperature in September: 9.3°C
The best month for swimming (with the highest average sea temperature) is August (10.4°C).
The coldest month (with the lowest average sea temperature) is March (4.6°C).
Average daylight in September
Havøysund, Norway
- Average daylight in September: 13h and 2min
The month with the longest days is August (Average daylight: 18h and 42min).
The months with the shortest days are June, July and December (Average daylight: 0h and 0min).
Havøysund, Norway
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