Ähtäri Weather in September

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

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

September is in the fall / autumn in Ähtäri and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 12°C (54°F), whilst at night 4°C (39°F) is normal.

Ähtäri weather averages (imperial / metric)
Daytime temperature 12.1°C 53.7°F
Nightly temperature 4°C 39.1°F
Average temperature 8°C 46.4°F
Daily sunshine 4.1 hrs
Avg rainfall 69 mm 2.7 ins
Rainy days 18 days
Sea temperature 13°C 55.3°F
Humidity 85%
Windspeed 10.8kph 7 mph

On average September is the 3rd wettest month of the year in Ähtäri with around 69mm 2.7 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 4.1 hours of sunshine per day.

September temperatures in Ähtäri

Ähtäri average temperature in September

September rainfall

Ähtäri average rain in September

September hourly sunshine

Ähtäri 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 Ähtäri in September 2024.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Ähtäri weather stats

Ähtäri weather statistics
Hottest month: July 20.3°C 68.5°F
Driest month: February 27mm 1.1ins
Sunniest month: June 0hrs
Coldest month: January -6.7°C 19.9°F
Wettest month: August 80mm 3.1ins
Map showing location of Ähtäri (62.55403, 24.06186) Ähtäri map pin © Google

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