Tallinn Weather in September

What's the weather like in Tallinn (Harju County) in September 2024?

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

September is in the fall / autumn in Tallinn and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 14°C (58°F), whilst at night 8°C (45°F) is normal.

Tallinn weather averages (imperial / metric)
Daytime temperature 14.4°C 57.8°F
Nightly temperature 7.5°C 45.4°F
Average temperature 10.9°C 51.6°F
Daily sunshine 5.2 hrs
Avg rainfall 80 mm 3.1 ins
Rainy days 17 days
Sea temperature 14.7°C 58.5°F
Humidity 83%
Windspeed 14.4kph 9 mph

On average September is the 2nd wettest month of the year in Tallinn with around 80mm 3.1 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 5.2 hours of sunshine per day.

September temperatures in Tallinn

Tallinn average temperature in September

September rainfall

Tallinn average rain in September

September hourly sunshine

Tallinn 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 Tallinn in September 2024.

Other monthly averages

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Tallinn weather stats

Tallinn weather statistics
Hottest month: July 20.6°C 69.1°F
Driest month: February 33mm 1.3ins
Sunniest month: June 11.3hrs
Coldest month: February -3.1°C 26.4°F
Wettest month: August 80mm 3.1ins
Map showing location of Tallinn (59.43696, 24.75353) Tallinn map pin © Google

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