Lappeenranta Weather in September

What's the weather like in Lappeenranta (Southern Finland Province) in September 2024?

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

September is in the fall / autumn in Lappeenranta and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 13°C (56°F), whilst at night 7°C (44°F) is normal.

Lappeenranta weather averages (imperial / metric)
Daytime temperature 13.2°C 55.8°F
Nightly temperature 6.6°C 43.9°F
Average temperature 9.9°C 49.8°F
Daily sunshine 4.3 hrs
Avg rainfall 72 mm 2.8 ins
Rainy days 17 days
Sea temperature 13.5°C 56.2°F
Humidity 84%
Windspeed 11.9kph 7 mph

On average September is the 2nd wettest month of the year in Lappeenranta with around 72mm 2.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.

On the flip side this corresponds to an average of 4.3 hours of sunshine per day.

September temperatures in Lappeenranta

Lappeenranta average temperature in September

September rainfall

Lappeenranta average rain in September

September hourly sunshine

Lappeenranta 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 Lappeenranta in September 2024.

Other monthly averages

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UV index Best time to go?

Lappeenranta weather stats

Lappeenranta weather statistics
Hottest month: July 21.2°C 70.2°F
Driest month: February 30mm 1.2ins
Sunniest month: June 5.2hrs
Coldest month: January -6.3°C 20.7°F
Wettest month: August 81mm 3.2ins
Map showing location of Lappeenranta (61.05871, 28.18871) Lappeenranta map pin © Google

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