Weather in Lithuania for September 2025
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Until now, September 2025 in Lithuania is slightly cooler than the historical average by -1.2 °C.
The forecast for the next days in Lithuania predicts temperatures to be around 15 °C, close to the historical average.
In general, the average temperature in Lithuania at the beginning of September is 23.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 10.3 °C by the end of September.
With an average of 5 rainy days, Lithuania experiences minimal rainfall in September.
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Lithuania Weather September
What’s the Weather Like in Lithuania This September?
Temperatures trend during September in Lithuania
September weather in Lithuania day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Fog | 22° /11° | 0 mm | 5 | |
| 2 Sept. |  Partly cloudy | 24° /12° | 0.1 mm | 6 | |
| 3 Sept. | Partly cloudy | 25° /12° | 0.3 mm | 6 | |
| 4 Sept. | Mist | 23° /13° | 1 mm | 6 | |
| 5 Sept. |  Overcast | 25° /13° | 0 mm | 6 | |
| 6 Sept. |  Patchy rain possible | 24° /12° | 0.1 mm | 6 | |
| 7 Sept. | Overcast | 24° /11° | 0.6 mm | 6 | |
| 8 Sept. | Partly cloudy | 24° /11° | 0 mm | 6 | |
| 9 Sept. | Partly cloudy | 23° /12° | 0 mm | 6 | |
| 10 Sept. | Partly cloudy | 23° /12° | 1.7 mm | 5 | |
| 11 Sept. | Partly cloudy | 23° /13° | 0.7 mm | 6 | |
| 12 Sept. |  Sunny | 22° /12° | 4.3 mm | 5 | |
| 13 Sept. | Sunny | 22° /13° | 3 mm | 5 | |
| 14 Sept. | Overcast | 21° /11° | 0.9 mm | 5 | |
| 15 Sept. | Mist | 21° /10° | 0.3 mm | 5 | |
| 16 Sept. | Sunny | 20° /10° | 1.4 mm | 5 | |
| 17 Sept. | Overcast | 22° /10° | 1.3 mm | 5 | |
| 18 Sept. | Patchy rain possible | 18° /9° | 1 mm | 0.6 | |
| 19 Sept. | Patchy rain possible | 20° /12° | 0.5 mm | 0.7 | |
| 20 Sept. | Patchy rain possible | 24° /13° | 0.1 mm | 0.8 | |
| 21 Sept. | Sunny | 25° /13° | 0 mm | 0.8 | |
| 22 Sept. | Sunny | 26° /15° | 0 mm | 1 | |
| 23 Sept. | Overcast | 17° /11° | 0.1 mm | 3 | |
| 24 Sept. | Patchy rain possible | 13° /7° | 2.5 mm | 2 | |
| 25 Sept. | Patchy rain possible | 11° /5° | 0.4 mm | 2 | |
| 26 Sept. | Sunny | 10° /2° | 0 mm | 3 | |
| 27 Sept. | Partly cloudy | 12° /1° | 0 mm | 3 | |
| 28 Sept. | Patchy rain possible | 11° /3° | 0.1 mm | 2 | |
| 29 Sept. | Patchy rain possible | 7° /2° | 1 mm | 1 | |
| 30 Sept. | Patchy rain possible | 8° /5° | 0.8 mm | 2 | |
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Guide for Lithuania in September
In September, Lithuania experiences a transition from the warm summer weather to the cooler temperatures of autumn. At the beginning of the month, the weather in Lithuania is generally mild and pleasant, with average temperatures ranging from 15° to 20°.
The days are still relatively long, providing ample opportunity for outdoor activities and sightseeing. However, as the month progresses, the temperatures begin to drop, and by the end of September, the average temperatures range from 10° to 15°.
The nights become noticeably cooler, and there is a higher chance of experiencing light rain showers as the autumn season sets in.
It's important to note that weather patterns can vary across different regions of Lithuania, with coastal areas experiencing milder temperatures compared to inland areas. Additionally, the Baltic Sea can influence the weather, leading to occasional breezy conditions along the coast.
Overall, September in Lithuania offers a mix of comfortable temperatures at the beginning of the month, gradually transitioning to cooler and more autumnal weather by the end of September. It's a great time to explore the country's natural beauty and cultural attractions before the onset of winter.
Lithuania in September - FAQ
September rainfall patterns in Lithuania
UV exposure in Lithuania during September
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