Hannover weather in September 2025

Expect 19°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Hannover in September. Check more long-term weather averages for Hannover in September before you book your next holiday to Germany in 2025/2026.

  • 19°C maximum daytime temperature in September in Hannover19
    19°C max day temperature
  • 5 hours of sunshine per day
  • 14 days with some rainfall in September in Hannover14
    14 days with some rainfall
  • 10°C minimum night-time temperature in September in Hannover10
    10°C min night temperature
  • 13 hours of daylight per day in September in Hannover13
    13 hours of daylight per day
  • No heat & humidity in September in Hannover0
    No heat & humidity
  • 53 mm monthly rainfall in September in Hannover53
    53 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Hannover4
    4 (Moderate) UV index

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The September weather guide for Germany (Hannover) 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 hot is it in Hannover in September?

Daytime temperatures usually reach 19°C in Hannover in September, falling to 10°C at night.

How sunny is it in Hannover in September?

There are normally 5 hours of bright sunshine each day in Hannover in September - that's 36% of daylight hours.

Does it rain in Hannover in September?

There are usually 14 days with some rain in Hannover in September and the average monthly rainfall is 53mm.

Hannover September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:32 19:08
Monday, 15th September 2025 05:56 18:36
Tuesday, 30th September 2025 06:21 18:00

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