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Weather in Tartu for September 2026

Your guide to Tartu weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Tartu at the beginning of September is 22 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 16.4 °C by the end of September.

    • Rain 🌧️

  • The climate of Tartu in September is notably wet, with an average of 11 rainy days, and a total of 33.2 mm of precipitation.

Average dry days
19
Dry days
Average rainy days
11
Rainy days
Average snowy days
0
Snow days
Average temperatures
20°/10°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
73 %
Avg humidity

Tartu Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Fog
20°
2
Light rain shower
21°
3
Light rain shower
22°
4
Mist
22°
5
Overcast
24°
6
Partly cloudy
22°
7
Mist
23°
8
Cloudy
24°
9
Cloudy
23°
10
Partly cloudy
23°
11
Sunny
23°
12
Partly cloudy
22°
13
Partly cloudy
23°
14
Patchy rain possible
22°
15
Partly cloudy
19°
16
Sunny
20°
17
Patchy rain possible
21°
18
Sunny
19°
19
Light rain shower
20°
20
Light drizzle
20°
21
Fog
22°
22
Sunny
19°
23
Light rain
17°
24
Fog
17°
25
Mist
16°
26
Overcast
18°
27
Overcast
18°
28
Sunny
18°
29
Overcast
14°
30
Light drizzle
14°

Temperatures trend during September in Tartu

See the weather trend as well as the moving average line

September weather in Tartu day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Fog
Fog
 20° /11° 1 mm 5
2 Sept. Light rain shower
Light rain shower
 21° /11° 3.7 mm 5
3 Sept. Light rain shower
Light rain shower
 22° /11° 2.7 mm 5
4 Sept. Mist
Mist
 22° /12° 1.1 mm 6
5 Sept. Overcast
Overcast
 24° /13° 0 mm 5
6 Sept. Partly cloudy
Partly cloudy
 22° /10° 0 mm 6
7 Sept. Mist
Mist
 23° /11° 0 mm 5
8 Sept. Cloudy
Cloudy
 24° /11° 0 mm 6
9 Sept. Cloudy
Cloudy
 23° /11° 0 mm 6
10 Sept. Partly cloudy
Partly cloudy
 23° /12° 0 mm 6
11 Sept. Sunny
Sunny
 23° /12° 0.1 mm 6
12 Sept. Partly cloudy
Partly cloudy
 22° /13° 0.1 mm 5
13 Sept. Partly cloudy
Partly cloudy
 23° /13° 4.4 mm 5
14 Sept. Patchy rain possible
Patchy rain possible
 22° /12° 5.6 mm 5
15 Sept. Partly cloudy
Partly cloudy
 19° /10° 0.6 mm 5
16 Sept. Sunny
Sunny
 20° /10° 2.8 mm 5
17 Sept. Patchy rain possible
Patchy rain possible
 21° /9° 0.4 mm 5
18 Sept. Sunny
Sunny
 19° /8° 0 mm 5
19 Sept. Light rain shower
Light rain shower
 20° /9° 3.6 mm 5
20 Sept. Light drizzle
Light drizzle
 20° /9° 0.3 mm 5
21 Sept. Fog
Fog
 22° /11° 0 mm 5
22 Sept. Sunny
Sunny
 19° /8° 0.3 mm 5
23 Sept. Light rain
Light rain
 17° /6° 1.5 mm 4
24 Sept. Fog
Fog
 17° /6° 0.1 mm 4
25 Sept. Mist
Mist
 16° /7° 0.1 mm 4
26 Sept. Overcast
Overcast
 18° /8° 1.4 mm 4
27 Sept. Overcast
Overcast
 18° /10° 2 mm 4
28 Sept. Sunny
Sunny
 18° /9° 0.3 mm 4
29 Sept. Overcast
Overcast
 14° /6° 0.6 mm 4
30 Sept. Light drizzle
Light drizzle
 14° /4° 0.5 mm 4
Next
Important Notice
Our weather forecast for Tartu in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Tartu forecast closer to your planned date for the most up-to-date weather information.
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Tartu in September - FAQ

What are the expected maximum and minimum temperatures in Tartu during September?

Enjoy moderate daytime temperatures of up to 20° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Tartu during September?

In September, Tartu can expect light to moderate rainfall, totaling 33.2 mm across approximately 11 days. Occasional showers are possible, and planning ahead for them could be helpful.

What are the typical wind conditions in Tartu during September?

The average wind speed in Tartu during September is 15 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Tartu

Explore the daily rainfall trends and prepare for Tartus September weather 💧
Typically, Tartu has 11 rainy days in September with a total of 33.2 mm of rainfall.

UV exposure in Tartu during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Location coordinates Where is Tartu?

Get accurate weather forecasts for Tartu, located at latitude 58.381 and longitude 26.725. Stay updated with localized weather information tailored for Tartu.

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