Kaunas weather in September 2025

Expect 63°F daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Kaunas in September. Check more long-term weather averages for Kaunas in September before you book your next holiday to Lithuania in 2025/2026.

  • 63°F maximum daytime temperature in September in Kaunas63
    63°F max day temperature
  • 5 hours of sunshine per day
  • 15 days with some rainfall in September in Kaunas15
    15 days with some rainfall
  • 45°F minimum night-time temperature in September in Kaunas45
    45°F min night temperature
  • 13 hours of daylight per day in September in Kaunas13
    13 hours of daylight per day
  • No heat & humidity in September in Kaunas0
    No heat & humidity
  • 2.3 inches monthly rainfall in September in Kaunas2.3
    2.3 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in September in Kaunas3
    3 (Moderate) UV index

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The September weather guide for Lithuania (Kaunas) 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)  |  Imperial (°F)

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More about Lithuania

How warm is it in Kaunas in September?

Daytime temperatures usually reach 63°F in Kaunas in September, falling to 45°F at night.

How sunny is it in Kaunas in September?

There are normally 5 hours of bright sunshine each day in Kaunas in September - that's 39% of daylight hours.

Does it rain in Kaunas in September?

There are usually 15 days with some rain in Kaunas in September and the average monthly rainfall is 2.3 inches.

Kaunas September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:31 19:16
Monday, 15th September 2025 05:57 18:41
Tuesday, 30th September 2025 06:25 18:03

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