September weather forecastValldalen, Norway

September

Weather in September

Sea temperature

In Valldalen, Norway, in September, the average water temperature is 13.8°C (56.8°F).
Note: Being in 13.8°C (56.8°F) waters at 13°C (55.4°F) is discomforting, but anything below 10°C (50°F) can jeopardize breathing and induce cold shock, factoring in physical endurance.

Daylight

In September, the average length of the day is 12h and 56min.
On the first day of the month, sunrise is at 06:21 and sunset at 20:40. On the last day of September, sunrise is at 07:37 and sunset at 19:04 CEST.

Frequently asked questions

In Valldalen, the average seawater temperature in September is 13.8°C (56.8°F). Swimming in 13.8°C (56.8°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 in Valldalen is 12h and 56min.

In September, on the first day of the month, sunrise is at 06:21 and sunset at 20:40. On the last day of the month, in Valldalen, Norway, sunrise is at 07:37 and sunset at 19:04 CEST.

Average sea temperature in September
Valldalen, Norway

  • Average sea temperature in September: 13.8°C

The best month for swimming (with the highest average sea temperature) is August (14.8°C).
The coldest month (with the lowest average sea temperature) is March (5.3°C).

Average daylight in September
Valldalen, Norway

  • Average daylight in September: 12h and 54min

The month with the longest days is June (Average daylight: 19h and 42min).
The month with the shortest days is December (Average daylight: 5h and 12min).