Moss
Norway
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Moss, Norway

Sea temperature

In September, the average sea temperature in Moss, Norway, is 15.8°C (60.4°F).
Note: For swimming, a surface water temperature of 15.8°C (60.4°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

Daylight

In September, the average length of the day in Moss is 12.8h.

How cold is the water in September in Moss?

In Moss, Norway, in September, the average water temperature is 15.8°C (60.4°F). For swimming, a surface water temperature of 15.8°C (60.4°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

What is the average length of the day in September in Moss?

In September, the average length of the day in Moss is 12.8h.
Average sea temperature in September - Moss, Norway
  • Average sea temperature in September: 15.8°C

The best month for swimming (with the highest average sea temperature) is August (18.4°C).
The coldest month (with the lowest average sea temperature) is March (2.8°C).

Average daylight in September - Moss, Norway
  • Average daylight in September: 12.8h

The month with the longest days is June (Average daylight: 18.5h).
The month with shortest days is December (Average daylight: 6.2h).