Merimasku Weather in September

What's the weather like in Merimasku (Province of Western Finland) in September 2024?

The climate in Merimasku during September can be summarized as mild and reasonably dry.

September is in the fall / autumn in Merimasku and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 14°C (57°F), whilst at night 8°C (46°F) is normal.

Merimasku weather averages (imperial / metric)
Daytime temperature 14.1°C 57.3°F
Nightly temperature 7.6°C 45.6°F
Average temperature 10.8°C 51.4°F
Daily sunshine 4.7 hrs
Avg rainfall 67 mm 2.6 ins
Rainy days 18 days
Sea temperature 13.9°C 57°F
Humidity 83%
Windspeed 15.8kph 10 mph

On average September is the 3rd wettest month of the year in Merimasku with around 67mm 2.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.

On the flip side this corresponds to an average of 4.7 hours of sunshine per day.

September temperatures in Merimasku

Merimasku average temperature in September

September rainfall

Merimasku average rain in September

September hourly sunshine

Merimasku 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 Merimasku in September 2024.

Other monthly averages

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UV index Best time to go?

Merimasku weather stats

Merimasku weather statistics
Hottest month: July 20.3°C 68.5°F
Driest month: February 27mm 1.1ins
Sunniest month: June 11hrs
Coldest month: February -2.8°C 27°F
Wettest month: August 80mm 3.1ins
Map showing location of Merimasku (60.48333, 21.86667) Merimasku map pin © Google

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