Measurements:
°C
°F
Tartu
38°F
NW 4 mph
Feels like: 34°F
Precip: 0%
World Resorts Estonia Tartu Weather September Weather in Tartu

Tartu Weather: September

Average Day Temperature: 62.6°F
Average Night Temperature: 49.5°F
Sea Water Temperature: 60.1°F
Number of Sunny Days: 8 days
Sunshine Hours: 11.6 - 14.0 hours
Number of Rainy Days: 3 days
Precipitation Totals: 1.6 in

Air Temperature in September, °F

Select Year: 2025 2024 2023

The highest day temperature in September 2025 was 81°F. The lowest night temperature was 33°F. The average values for day and night temperatures during September were 65.5°F и 52.1°F respectivly.

Tartu Water Sea Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Tartu was 63.2°F. The maximum and minimum values were 56.8°F and 66.4°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 Tartu is 1.6 in.

Wind Speed in September, mph

The average wind speed in September is 7.8 mph. This value is relatively stable throughout the year.

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 Tartu in September is 6.5 hours.

Best Time to Visit Tartu
The most sunny months:
June 12 days
May 12 days
July 11 days
The most warm months:
July 75.5 °F
August 72.5 °F
June 71.0 °F
Warmest sea temperature:
July 67.4 °F
August 67.1 °F
June 60.7 °F
The most cold months:
January 23.3 °F
February 25.5 °F
December 28.2 °F
The most rainy months:
July 5 days
May 4 days
August 4 days
The most windy months:
December 9 mph
January 8 mph
November 8 mph

Tartu on the Weather Map

Estonia Resorts:
NAME
Jõhvi +38
Kohtla-Järve +38
Kunda +38
Kuressaare +42
Narva +38
Otepaa +38
Parnu +40
Saaremaa +40
Sillamäe +38
Tallinn +40
Tartu +38
Toila +38
Valga +38
Varska +36
Võru +38
24 Hours Weather Forecast
Tartu
Local time: 13:01
05 dec, friday
1500 38°F
NW
4 mph
1800 38°F
NW
4 mph
2100 38°F
NW
5 mph
06 dec, saturday
0000 38°F
NW
5 mph
0300 38°F
NW
6 mph
0600 38°F
NW
7 mph
0900 38°F
NW
9 mph
1200 40°F
NW
11 mph