Groningen weather in September 2025

Expect 18°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Groningen in September. Check more long-term weather averages for Groningen in September before you book your next holiday to Netherlands in 2025/2026.

  • 18°C maximum daytime temperature in September in Groningen18
    18°C max day temperature
  • 4 hours of sunshine per day
  • 17 days with some rainfall in September in Groningen17
    17 days with some rainfall
  • 9°C minimum night-time temperature in September in Groningen9
    9°C min night temperature
  • 13 hours of daylight per day in September in Groningen13
    13 hours of daylight per day
  • No heat & humidity in September in Groningen0
    No heat & humidity
  • 72 mm monthly rainfall in September in Groningen72
    72 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Groningen4
    4 (Moderate) UV index

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The September weather guide for Netherlands (Groningen) 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 Groningen in September?

Daytime temperatures usually reach 18°C in Groningen in September, falling to 9°C at night.

How sunny is it in Groningen in September?

There are normally 4 hours of bright sunshine each day in Groningen in September - that's 34% of daylight hours.

Does it rain in Groningen in September?

There are usually 17 days with some rain in Groningen in September and the average monthly rainfall is 72mm.

Groningen September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:44 19:23
Monday, 15th September 2025 06:08 18:49
Tuesday, 30th September 2025 06:34 18:13

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