Vilnius Weather in September
In September, Vilnius averages a high of 17°C (63°F) and a low of 8°C (46°F), from 41 years of daily records (1971–2025).
17°C
Average high
63°F
8°C
Average low
46°F
32°C
Record high
89°F · September 1, 1992
-3°C
Record low
27°F · September 27, 1977
What September Is Like in Vilnius
- September 2024 was the warmest September in 41 years of records, 5.4°C (9.8°F) above the long-run average.
- The coldest September reading, -3°C (27°F) on September 27, 1977, has not been matched in 48 years.
- The September heat record, 32°C (89°F) on September 1, 1992, has stood for 33 years.
- On average, 0.6 nights in September drop below freezing.
At least 1 mm of rain falls on 38% of September days, and the month averages 69 mm in total.
Warmest: 2024 (23.7°C)Latest: 2024 (23.7°C)10-year averageLong-run average (16.7°C)
Look Up a Day in September
See the weather in Vilnius on any September date, year by year.
Source: NOAA GHCN-Daily, Vilnius (1971–2025). Averages cover 1971–2025. How we compute this