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Weather in Kaunas for September 2026

Your guide to Kaunas weather in September - trends and predictions

    Temperatures

  • Until now, September 2026 in Kaunas is cooler than usual, with temperatures averaging 17.7 °C, this is 4.4 °C below the typical seasonal average.

  • The forecast for the next days in Kaunas predicts a temperature of 15.1 °C, which is cooler than the historical average.

  • In general, the average temperature in Kaunas at the beginning of September is 23.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 18.3 °C by the end of September.

    • Rain 🌧️

  • Kaunas experiences moderate rainfall in September, with an average of 6 rainy days and a total precipitation of 24.1 mm.

Average dry days
24
Dry days
Average rainy days
6
Rainy days
Average snowy days
0
Snow days
Average temperatures
22°/12°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
64 %
Avg humidity

Kaunas Weather September

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

Temperatures trend during September in Kaunas

See the weather trend as well as the moving average line

September weather in Kaunas day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Partly cloudy
Partly cloudy
 22° /11° 2 mm 5
2 Sept. Overcast
Overcast
 24° /12° 0.5 mm 5
3 Sept. Patchy rain possible
Patchy rain possible
 24° /12° 2.2 mm 5
4 Sept. Sunny
Sunny
 24° /12° 3.5 mm 5
5 Sept. Partly cloudy
Partly cloudy
 24° /13° 2.5 mm 5
6 Sept. Mist
Mist
 24° /12° 1 mm 5
7 Sept. Partly cloudy
Partly cloudy
 23° /11° 1.3 mm 5
8 Sept. Sunny
Sunny
 24° /11° 0 mm 5
9 Sept. Cloudy
Cloudy
 25° /13° 0.3 mm 5
10 Sept. Partly cloudy
Partly cloudy
 22° /12° 2.1 mm 5
11 Sept. Partly cloudy
Partly cloudy
 23° /13° 2.1 mm 5
12 Sept. Sunny
Sunny
 21° /12° 3.6 mm 4
13 Sept. Partly cloudy
Partly cloudy
 22° /12° 0.2 mm 5
14 Sept. Patchy rain possible
Patchy rain possible
 21° /11° 1.9 mm 4
15 Sept. Patchy rain possible
Patchy rain possible
 21° /11° 0.4 mm 4
16 Sept. Sunny
Sunny
 22° /11° 1.6 mm 4
17 Sept. Cloudy
Cloudy
 22° /10° 2.8 mm 5
18 Sept. Patchy rain possible
Patchy rain possible
 22° /11° 0.6 mm 5
19 Sept. Overcast
Overcast
 22° /12° 2 mm 4
20 Sept. Cloudy
Cloudy
 22° /12° 2.5 mm 4
21 Sept. Sunny
Sunny
 23° /11° 1.2 mm 5
22 Sept. Mist
Mist
 21° /11° 0.1 mm 5
23 Sept. Light rain shower
Light rain shower
 18° /9° 1.9 mm 4
24 Sept. Mist
Mist
 19° /9° 0.7 mm 4
25 Sept. Sunny
Sunny
 17° /8° 2.3 mm 3
26 Sept. Partly cloudy
Partly cloudy
 20° /9° 0.2 mm 5
27 Sept. Sunny
Sunny
 17° /10° 0 mm 2.5
28 Sept. Sunny
Sunny
 19° /9° 0 mm 2.5
29 Sept. Sunny
Sunny
 18° /10° 0 mm 2.3
30 Sept. Sunny
Sunny
 18° /10° 0 mm 2.3
Next
Important Notice
Our weather forecast for Kaunas 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 Kaunas forecast closer to your planned date for the most up-to-date weather information.
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Kaunas in September - FAQ

What are the expected maximum and minimum temperatures in Kaunas during September?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Kaunas during September?
In September, Kaunas can expect light to moderate rainfall, totaling 24.1 mm across approximately 6 days. Occasional showers are possible, and planning ahead for them could be helpful.

What are the typical wind conditions in Kaunas during September?
The average wind speed in Kaunas during September is 19 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Kaunas

Explore the daily rainfall trends and prepare for Kaunass September weather 💧
Typically, Kaunas has 6 rainy days in September with a total of 24.1 mm of rainfall.

UV exposure in Kaunas during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

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Location coordinates Where is Kaunas?

Get accurate weather forecasts for Kaunas, located at latitude 54.903 and longitude 23.91. Stay updated with localized weather information tailored for Kaunas.

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