Onsala Weather in September

What's the weather like in Onsala (Halland) in September 2024?

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

September is in the fall / autumn in Onsala and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 16°C (61°F), whilst at night 9°C (48°F) is normal.

Onsala weather averages (imperial / metric)
Daytime temperature 16.1°C 61°F
Nightly temperature 9.1°C 48.4°F
Average temperature 12.6°C 54.7°F
Daily sunshine 5.2 hrs
Avg rainfall 81 mm 3.2 ins
Rainy days 14 days
Sea temperature 15.1°C 59.1°F
Humidity 82%
Windspeed 18.7kph 12 mph

On average September is the wettest month of the year in Onsala with around 81mm 3.2 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 14 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 Onsala

Onsala average temperature in September

September rainfall

Onsala average rain in September

September hourly sunshine

Onsala 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 Onsala in September 2024.

Other monthly averages

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Onsala weather stats

Onsala weather statistics
Hottest month: July 20.3°C 68.5°F
Driest month: February 40mm 1.6ins
Sunniest month: June 9.2hrs
Coldest month: January 1°C 33.8°F
Wettest month: September 81mm 3.2ins
Map showing location of Onsala (57.42531, 12.02903) Onsala map pin © Google

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