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Weather in Kaunas for September 2025

Your guide to Kaunas weather in September - trends and predictions

    Official Weather Alert ⚠️

  • Thunderstorm Warning - See hour by hour.

    • Snow Forecast ❄️

  • Snowfall in Kaunas during September is quite rare, with fewer than 2 snowy days on average.
    According to Kaunas snow forecast for September 2025, 1 snowy day is expected until the end of the month at Saturday, 27 September.

    • Temperatures

  • Until now, September 2025 in Kaunas is slightly cooler than the historical average by -1.2 °C.

  • An exceptional deviation from the historical average is forecasted for next days of September 2025 in Kaunas with the forecasted temperature being 13.9 °C, much lower than usual.

  • In general, the average temperature in Kaunas at the beginning of September is 25.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 8 °C by the end of September.

    • Rain 🌧️

  • With an average of 3 rainy days, Kaunas experiences minimal rainfall in September.

Average dry days
27
Dry days
Average rainy days
3
Rainy days
Average snowy days
0
Snow days
Average temperatures
24°/12°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
60 %
Avg humidity

Kaunas Weather September

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

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 Snow More
1 Sept. Partly cloudy
Partly cloudy
 22° /10° 0 mm 0 cm
2 Sept. Overcast
Overcast
 25° /12° 0.2 mm 0 cm
3 Sept. Patchy rain possible
Patchy rain possible
 26° /13° 2.2 mm 0 cm
4 Sept. Sunny
Sunny
 26° /12° 0.1 mm 0 cm
5 Sept. Partly cloudy
Partly cloudy
 27° /14° 0 mm 0 cm
6 Sept. Mist
Mist
 26° /13° 0.1 mm 0 cm
7 Sept. Partly cloudy
Partly cloudy
 25° /12° 1.5 mm 0 cm
8 Sept. Sunny
Sunny
 25° /12° 0 mm 0 cm
9 Sept. Cloudy
Cloudy
 24° /12° 0.5 mm 0 cm
10 Sept. Partly cloudy
Partly cloudy
 24° /13° 0.7 mm 0 cm
11 Sept. Partly cloudy
Partly cloudy
 24° /14° 2.7 mm 0 cm
12 Sept. Sunny
Sunny
 23° /13° 4.8 mm 0 cm
13 Sept. Partly cloudy
Partly cloudy
 24° /13° 0.3 mm 0 cm
14 Sept. Overcast
Overcast
 22° /11° 2.1 mm 0 cm
15 Sept. Mist
Mist
 22° /11° 0.4 mm 0 cm
16 Sept. Sunny
Sunny
 24° /12° 0 mm 0 cm
17 Sept. Patchy rain possible
Patchy rain possible
 17° /10° 3.5 mm 0 cm
18 Sept. Patchy rain possible
Patchy rain possible
 19° /10° 1.3 mm 0 cm
19 Sept. Patchy rain possible
Patchy rain possible
 19° /13° 1.8 mm 0 cm
20 Sept. Cloudy
Cloudy
 24° /15° 0 mm 0 cm
21 Sept. Sunny
Sunny
 26° /15° 0 mm 0 cm
22 Sept. Patchy rain possible
Patchy rain possible
 19° /13° 1.1 mm 0 cm
23 Sept. Patchy rain possible
Patchy rain possible
 14° /7° 0.6 mm 0 cm
24 Sept. Sunny
Sunny
 14° /5° 0 mm 0 cm
25 Sept. Patchy rain possible
Patchy rain possible
 10° /5° 0 mm 0 cm
26 Sept. Patchy rain possible
Patchy rain possible
 5° /3° 2.2 mm 0 cm
27 Sept. Patchy rain possible
Patchy rain possible
 5° /2° 1.4 mm 0.9 cm
28 Sept. Patchy rain possible
Patchy rain possible
 6° /2° 0.2 mm 0 cm
29 Sept. Patchy rain possible
Patchy rain possible
 7° /4° 1.4 mm 0 cm
30 Sept. Patchy rain possible
Patchy rain possible
 9° /6° 1.8 mm 0 cm
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 24° 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?
Expect minimal rainfall in Kaunas during September, with a total of 12.9 mm over approximately 3 days. This minimal precipitation is unlikely to significantly impact plans.
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.

Kaunas snow forecast September 2025

Track daily snowfall levels and discover Kaunas’s snowy potential this September ❄️

September rainfall patterns in Kaunas

Explore the daily rainfall trends and prepare for Kaunass September weather 💧

UV exposure in Kaunas during September

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

Quick links

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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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