September weather forecastLangesund, Norway

September

Weather in September

Sea temperature

In Langesund, Norway, in September, the average water temperature is 15.8°C (60.4°F).
Note: Swimming in water that is 15.8°C (60.4°F) is not enjoyable for most. Breathing becomes more challenging to manage as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).

Daylight

In September, the average length of the day in Langesund is 12h and 50min.
On the first day of September, sunrise is at 06:19 and sunset at 20:21. On the last day of the month, sunrise is at 07:24 and sunset at 18:56 CEST.

Frequently asked questions

In Langesund, Norway, the average seawater temperature in September is 15.8°C (60.4°F). Swimming in 15.8°C (60.4°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

In September, the average day length is 12h and 50min.

In September, on the first day of the month, sunrise is at 06:19 and sunset at 20:21. On the last day of the month, sunrise is at 07:24 and sunset at 18:56 CEST.

Average sea temperature in September
Langesund, Norway

  • Average sea temperature in September: 15.8°C

The best month for swimming (with the highest average sea temperature) is August (18.3°C).
The coldest month (with the lowest average sea temperature) is March (2.8°C).

Average daylight in September
Langesund, Norway

  • Average daylight in September: 12h and 48min

The month with the longest days is June (Average daylight: 18h and 24min).
The month with the shortest days is December (Average daylight: 6h and 18min).