Oslo Weather in September

What's the weather like in Oslo (Oslo County) in September 2024?

The climate in Oslo during September can be summarized as mild and a little damp.

September is in the fall / autumn in Oslo and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 15°C (58°F), whilst at night 7°C (44°F) is normal.

Oslo weather averages (imperial / metric)
Daytime temperature 14.5°C 58°F
Nightly temperature 6.6°C 43.8°F
Average temperature 10.5°C 50.9°F
Daily sunshine 5.2 hrs
Avg rainfall 94 mm 3.7 ins
Rainy days 16 days
Sea temperature 15.2°C 59.3°F
Humidity 76%
Windspeed 15.5kph 10 mph

On average September is the wettest month of the year in Oslo with around 94mm 3.7 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.

On the flip side this corresponds to an average of 5.2 hours of sunshine per day.

September temperatures in Oslo

Oslo average temperature in September

September rainfall

Oslo average rain in September

September hourly sunshine

Oslo average rain in September

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Oslo in September 2024.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Oslo weather stats

Oslo weather statistics
Hottest month: July 20.6°C 69.1°F
Driest month: February 41mm 1.6ins
Sunniest month: June 9.6hrs
Coldest month: January -2.1°C 28.2°F
Wettest month: September 94mm 3.7ins
Map showing location of Oslo (59.91273, 10.74609) Oslo map pin © Google

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