Kiel weather in September 2025

Expect daytime maximum temperatures of 17°C in Kiel, Germany in September based on long-term weather averages. There are 5 hours of sunshine per day on average with 15 days with some rainfall and typically 68 mm of rainfall in the month.

  • 17°C maximum daytime temperature in September in Kiel17
    17°C max day temperature
  • 5 hours of sunshine per day
  • 15 days with some rainfall in September in Kiel15
    15 days with some rainfall
  • 10°C minimum night-time temperature in September in Kiel10
    10°C min night temperature
  • 13 hours of daylight per day in September in Kiel13
    13 hours of daylight per day
  • No heat & humidity in September in Kiel0
    No heat & humidity
  • 68 mm monthly rainfall in September in Kiel68
    68 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in September in Kiel3
    3 (Moderate) UV index
  • 16°C sea temperature in September in Kiel16
    16°C sea temperature

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The September weather guide for Germany (Kiel) 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 Germany

How warm is it in Kiel in September?

Daytime temperatures usually reach 17°C in Kiel in September, falling to 10°C at night.

How sunny is it in Kiel in September?

There are normally 5 hours of bright sunshine each day in Kiel in September - that's 38% of daylight hours.

How warm is the sea around Kiel in September?

The average sea temperature around Kiel in September is 16°C.

Does it rain in Kiel in September?

There are usually 15 days with some rain in Kiel in September and the average monthly rainfall is 68mm.

Kiel September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:27 19:10
Monday, 15th September 2025 05:53 18:35
Tuesday, 30th September 2025 06:20 17:58

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