Vilnius
September
Weather in Vilnius for September 2026
Your guide to Vilnius weather in September - trends and predictions
In general, the average temperature in Vilnius at the beginning of September is 23.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.1 °C by the end of September.
Vilnius experiences moderate rainfall in September, with an average of 10 rainy days and a total precipitation of 24.1 mm.
Temperatures
Rain 🌧️
20
Dry days
10
Rainy days
0
Snow days
21°/11°
Temperatures
16 km/h
Avg max wind
66 %
Avg humidity
Vilnius Weather September
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Temperatures trend during September in Vilnius
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September weather in Vilnius day by day
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| 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 light drizzle | 22° /11° | 1.1 mm | 5 | |
| 19 Sept. | Light rain shower | 22° /12° | 2.5 mm | 5 | |
| 20 Sept. | Patchy rain possible | 22° /11° | 0.2 mm | 5 | |
| 21 Sept. | Sunny | 24° /12° | 0 mm | 6 | |
| 22 Sept. | Partly cloudy | 23° /11° | 0 mm | 6 | |
| 23 Sept. | Patchy light drizzle | 20° /9° | 0.4 mm | 5 | |
| 24 Sept. | Mist | 18° /9° | 0 mm | 4 | |
| 25 Sept. | Mist | 18° /8° | 0.4 mm | 4 | |
| 26 Sept. | Partly cloudy | 19° /8° | 0.3 mm | 5 | |
| 27 Sept. | Sunny | 19° /10° | 2.1 mm | 4 | |
| 28 Sept. | Sunny | 18° /9° | 0.1 mm | 4 | |
| 29 Sept. | Patchy rain possible | 15° /7° | 0 mm | 4 | |
| 30 Sept. | Light rain | 13° /6° | 1.2 mm | 4 | |
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Important Notice
Our weather forecast for Vilnius 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 Vilnius forecast closer to your planned date for the most up-to-date weather information.
Change Month
Vilnius in September - FAQ
What are the expected maximum and minimum temperatures in Vilnius during September?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Vilnius during September?
In September, Vilnius can expect light to moderate rainfall, totaling 24.1 mm across approximately 10 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Vilnius during September?
The average wind speed in Vilnius during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Vilnius
Explore the daily rainfall trends and prepare for Vilniuss September weather 💧
Typically, Vilnius has 10 rainy days in September with a total of 24.1 mm of rainfall.
UV exposure in Vilnius during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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