Measurements:
°C
°F
Tallinn
48°F
NW 5 mph
Feels like: 46°F
Precip: 2%
World Resorts Estonia Tallinn Weather September Weather in Tallinn

Tallinn Weather: September

Average Day Temperature: 61.1°F
Average Night Temperature: 53.6°F
Sea Water Temperature: 61.0°F
Number of Sunny Days: 8 days
Sunshine Hours: 11.6 - 14.1 hours
Number of Rainy Days: 4 days
Precipitation Totals: 1.8 in

Air Temperature in September, °F

Select Year: 2026 2025 2024

The highest day temperature in September 2026 was 67°F. The lowest night temperature was 48°F. The average values for day and night temperatures during September were 59.8°F и 54.9°F respectivly.

Tallinn Water Sea Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Tallinn was 62.1°F. The maximum and minimum values were 59.0°F and 64.4°F respectively.

Sunny, Cloudy and Gloomy days

You can expect various weather conditions during September. Be ready for sunny, cloudy or even gloomy days.

Precipitation Totals in September, in

Precipitation total in September for Tallinn is 1.8 in.

Wind Speed in September, mph

The average wind speed in September is 11.2 mph.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Tallinn in September is 6.5 hours.

Best Time to Visit Tallinn
The most sunny months:
June 14 days
May 14 days
July 14 days
The most warm months:
July 70.0 °F
August 69.2 °F
June 64.0 °F
Warmest sea temperature:
August 66.7 °F
July 64.3 °F
September 61.0 °F
The most cold months:
January 26.9 °F
February 27.2 °F
December 32.4 °F
The most rainy months:
October 4 days
September 4 days
July 4 days
The most windy months:
December 14 mph
November 12 mph
January 12 mph

Tallinn on the Weather Map

Estonia Resorts:
NAME
F°
Jõhvi +48
Kohtla-Järve +46
Kunda +48
Kuressaare +48
Narva +48
Otepaa +48
Parnu +48
Saaremaa +48
Sillamäe +48
Tallinn +48
Tartu +48
Toila +48
Valga +48
Varska +48
Võru +48
24 Hours Weather Forecast
Tallinn
Local time: 15:26
19 oct, monday
1800 46°F
NW
6 mph
2100 42°F
NW
9 mph
20 oct, tuesday
0000 40°F
NW
8 mph
0300 38°F
NW
7 mph
0600 38°F
NW
7 mph
0900 38°F
NW
9 mph
1200 44°F
NW
8 mph
1500 50°F
NW
8 mph