Tretten Weather in September

What's the weather like in Tretten (Oppland county) in September 2024?

The climate in Tretten during September can be summarized as cool and reasonably dry.

September is in the fall / autumn in Tretten and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 11°C (52°F), whilst at night 4°C (38°F) is normal.

Tretten weather averages (imperial / metric)
Daytime temperature 10.9°C 51.6°F
Nightly temperature 3.5°C 38.3°F
Average temperature 7.2°C 45°F
Daily sunshine 4.5 hrs
Avg rainfall 79 mm 3.1 ins
Rainy days 16 days
Sea temperature 13.8°C 56.8°F
Humidity 79%
Windspeed 16.2kph 10 mph

On average September is the 3rd wettest month of the year in Tretten with around 79mm 3.1 inches of rain making it a reasonably dry 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 4.5 hours of sunshine per day.

September temperatures in Tretten

Tretten average temperature in September

September rainfall

Tretten average rain in September

September hourly sunshine

Tretten 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 Tretten in September 2024.

Other monthly averages

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UV index Best time to go?

Tretten weather stats

Tretten weather statistics
Hottest month: July 17.1°C 62.8°F
Driest month: February 31mm 1.2ins
Sunniest month: June 4.5hrs
Coldest month: January -6.6°C 20.1°F
Wettest month: July 88mm 3.5ins
Map showing location of Tretten (61.31423, 10.30066) Tretten map pin © Google

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