Cluj-Napoca weather in September 2025

Expect 20°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Cluj-Napoca in September. Check more long-term weather averages for Cluj-Napoca in September before you book your next holiday to Romania in 2025/2026.

  • 20°C maximum daytime temperature in September in Cluj-Napoca20
    20°C max day temperature
  • 7 hours of sunshine per day
  • 9 days with some rainfall in September in Cluj-Napoca9
    9 days with some rainfall
  • 9°C minimum night-time temperature in September in Cluj-Napoca9
    9°C min night temperature
  • 13 hours of daylight per day in September in Cluj-Napoca13
    13 hours of daylight per day
  • No heat & humidity in September in Cluj-Napoca0
    No heat & humidity
  • 40 mm monthly rainfall in September in Cluj-Napoca40
    40 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Cluj-Napoca5
    5 (Moderate) UV index

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Cluj-Napoca by month

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The September weather guide for Romania (Cluj-Napoca) 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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How hot is it in Cluj-Napoca in September?

Daytime temperatures usually reach 20°C in Cluj-Napoca in September, falling to 9°C at night.

How sunny is it in Cluj-Napoca in September?

There are normally 7 hours of bright sunshine each day in Cluj-Napoca in September - that's 53% of daylight hours.

Does it rain in Cluj-Napoca in September?

There are usually 9 days with some rain in Cluj-Napoca in September and the average monthly rainfall is 40mm.

Cluj-Napoca September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:45 19:05
Monday, 15th September 2025 06:03 18:37
Tuesday, 30th September 2025 06:23 18:07

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