Vilnius weather in September 2025

Expect daytime maximum temperatures of 16°C in Vilnius, Lithuania in September based on long-term weather averages. There are 5 hours of sunshine per day on average with 14 days with some rainfall and typically 65 mm of rainfall in the month.

  • 16°C maximum daytime temperature in September in Vilnius16
    16°C max day temperature
  • 5 hours of sunshine per day
  • 14 days with some rainfall in September in Vilnius14
    14 days with some rainfall
  • 8°C minimum night-time temperature in September in Vilnius8
    8°C min night temperature
  • 13 hours of daylight per day in September in Vilnius13
    13 hours of daylight per day
  • No heat & humidity in September in Vilnius0
    No heat & humidity
  • 65 mm monthly rainfall in September in Vilnius65
    65 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in September in Vilnius3
    3 (Moderate) UV index

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The September weather guide for Lithuania (Vilnius) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Lithuania

How warm is it in Vilnius in September?

Daytime temperatures usually reach 16°C in Vilnius in September, falling to 8°C at night.

How sunny is it in Vilnius in September?

There are normally 5 hours of bright sunshine each day in Vilnius in September - that's 35% of daylight hours.

Does it rain in Vilnius in September?

There are usually 14 days with some rain in Vilnius in September and the average monthly rainfall is 65mm.

Vilnius September sunrise & sunset times

Browse the sunrise and sunset times for Vilnius in September 2025. Select a month to view Vilnius sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:26 19:10
Monday, 15th September 2025 05:52 18:35
Tuesday, 30th September 2025 06:19 17:57

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