Banja Luka weather in September 2025

Expect 73°F daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Banja Luka in September. Check more long-term weather averages for Banja Luka in September before you book your next holiday to Bosnia & Herzegovina in 2025/2026.

  • 73°F maximum daytime temperature in September in Banja Luka73
    73°F max day temperature
  • 7 hours of sunshine per day
  • 11 days with some rainfall in September in Banja Luka11
    11 days with some rainfall
  • 50°F minimum night-time temperature in September in Banja Luka50
    50°F min night temperature
  • 12 hours of daylight per day in September in Banja Luka12
    12 hours of daylight per day
  • No heat & humidity in September in Banja Luka0
    No heat & humidity
  • 3.2 inches monthly rainfall in September in Banja Luka3.2
    3.2 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Banja Luka5
    5 (Moderate) UV index

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The September weather guide for Bosnia & Herzegovina (Banja Luka) 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 Bosnia & Herzegovina

How hot is it in Banja Luka in September?

Daytime temperatures usually reach 73°F in Banja Luka in September, falling to 50°F at night.

How sunny is it in Banja Luka in September?

There are normally 7 hours of bright sunshine each day in Banja Luka in September - that's 54% of daylight hours.

Does it rain in Banja Luka in September?

There are usually 11 days with some rain in Banja Luka in September and the average monthly rainfall is 3.2 inches.

Banja Luka September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:14 18:28
Monday, 15th September 2025 05:30 18:02
Tuesday, 30th September 2025 05:48 17:34

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