Vilnius Weather in September
Vilnius in September averages 18°C (64°F) during the day and 9°C (48°F) at night. Keep in mind that quite a bit of rainfall is expected this month.
Rainfall in Vilnius in September
Based on our climate data of the past 30 years, about 14 days of rain are anticipated, with 62 mm (2.4 in) on average. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Vilnius in September
Vilnius in September gets highs of 18°C (64°F) during the day and drops to 9°C (48°F) at night. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights drop to 9°C (48°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Vilnius in September
The month experiences a moderate amount of sunlight, with 140 hours of sunshine. This provides a nice balance between sunshine and clouds.
Wind Speed in Vilnius in September
Wind speeds average 3 m/s (6 knots) during September. At this speed, light breezes keep leaves and small twigs in gentle motion while the wind also provides natural cooling. Since this is an average, some days are more tranquil while others have more persistent light winds that are more noticeable.For Vilnius itself, June, July and August generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Lithuania, check out our Vilnius's climate page.
Vilnius Temperature in September
Min Temperature
9°C (48°F)
Max Temperature
18°C (64°F)
Chance of Rain
48%
Precipitation
62 mm (2.4 in)
Rainy days
14 days
Humidity
76%
Windspeed
3 m/s (6 knots)
Sunshine
140 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Vilnius typically drop from around 19°C (66°F) at the start of September to approximately 14°C (57°F) by the end. Nights are cool, with lows typically ranging from 6°C (43°F) to 10°C (50°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Vilnius in September
Browse day-by-day weather records for Vilnius spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Vilnius historical weather extremes in September
The extremes listed below come from historical weather data collected in Vilnius from 1976 through 2025.
- Vilnius recorded its highest September temperature of 29°C (84°F) on September 3, 1996.
- On September 30, 1993, Vilnius saw its coldest September day with temperatures maxing out at 6°C (43°F).
- The coldest night in September in Vilnius was on September 26, 2013, with a minimum of -3°C (27°F).
Best Places in Lithuania in September
Find out more about the weather in Lithuania and which places have the best travel conditions in this month. See all of Lithuania in September →
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What to Wear in Vilnius in September
Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Vilnius in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Lithuania, check out our Vilnius's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Vilnius climate overview or explore weather in Lithuania.
