Galena weather in September 2024

Expect 23°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Galena in September. Check more long-term weather averages for Galena in September before you book your next holiday to Illinois in 2024/2025.

  • 23°C maximum daytime temperature in September in Galena23
    23°C max day temperature
  • 8 hours of sunshine per day
  • 9 days with some rainfall in September in Galena9
    9 days with some rainfall
  • 10°C minimum night-time temperature in September in Galena10
    10°C min night temperature
  • 12 hours of daylight per day in September in Galena12
    12 hours of daylight per day
  • No heat & humidity in September in Galena0
    No heat & humidity
  • 103 mm monthly rainfall in September in Galena103
    103 mm of monthly rainfall
  • UV (maximum) index 6 (High) in September in Galena6
    6 (High) UV index

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The September weather guide for Illinois (Galena) 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 Galena in September?

Daytime temperatures usually reach 23°C in Galena in September, falling to 10°C at night.

How sunny is it in Galena in September?

There are normally 8 hours of bright sunshine each day in Galena in September - that's 61% of daylight hours.

Does it rain in Galena in September?

There are usually 9 days with some rain in Galena in September and the average monthly rainfall is 103mm.

Galena September sunrise & sunset times

Browse the sunrise and sunset times for Galena in September 2024. Select a month to view Galena sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st September 2024 06:27 19:35
Sunday, 15th September 2024 06:42 19:10
Monday, 30th September 2024 06:58 18:44

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