September weather forecastGaupne, Norway
September
Weather in September
Sea temperature
In Gaupne, Norway, the average seawater temperature in September is 14.2°C (57.6°F).Note: Swimming in 14.2°C (57.6°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.
Daylight
The average length of the day in September in Gaupne is 12h and 55min.On the first day of the month, sunrise is at 06:23 and sunset at 20:37. On the last day of September, sunrise is at 07:36 and sunset at 19:05 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 September, the average sea temperature is 14.2°C (57.6°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 is 12h and 55min.
On the first day of September in Gaupne, Norway, sunrise is at 06:23 and sunset at 20:37. On the last day of the month, sunrise is at 07:36 and sunset at 19:05 CEST.
Average sea temperature in September
Gaupne, Norway
- Average sea temperature in September: 14.2°C
The best month for swimming (with the highest average sea temperature) is August (15.5°C).
The coldest month (with the lowest average sea temperature) is March (5°C).
Average daylight in September
Gaupne, Norway
- Average daylight in September: 12h and 54min
The month with the longest days is June (Average daylight: 19h and 18min).
The month with the shortest days is December (Average daylight: 5h and 36min).





