September weather forecastValderøy, Norway
September
Weather in September
Sea temperature
In Valderøy, Norway, the average seawater temperature in September is 13.5°C (56.3°F).Note: Immersing oneself in 13.5°C (56.3°F) at sub-10°C (14°F) temperatures is a recipe for harsh cold shock and quickened breathing unless adequately equipped.
Daylight
In Valderøy, Norway, the average length of the day in September is 12h and 57min.On the first day of September, sunrise is at 06:25 and sunset at 20:45. On the last day of the month, sunrise is at 07:41 and sunset at 19:08 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 Valderøy, the average seawater temperature in September is 13.5°C (56.3°F). 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.
In September, the average day length in Valderøy, Norway, is 12h and 57min.
In September, on the first day of the month, sunrise is at 06:25 and sunset at 20:45. On the last day of the month, in Valderøy, Norway, sunrise is at 07:41 and sunset at 19:08 CEST.
Average sea temperature in September
Valderøy, Norway
- Average sea temperature in September: 13.5°C
The best month for swimming (with the highest average sea temperature) is August (14.1°C).
The coldest month (with the lowest average sea temperature) is March (5.3°C).
Average daylight in September
Valderøy, Norway
- Average daylight in September: 12h and 54min
The month with the longest days is June (Average daylight: 19h and 48min).
The month with the shortest days is December (Average daylight: 5h and 6min).
