Marion weather in September 2024

Expect 81°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Marion in September. Check more long-term weather averages for Marion in September before you book your next holiday to Illinois in 2024/2025.

  • 81°F maximum daytime temperature in September in Marion81
    81°F max day temperature
  • 8 hours of sunshine per day
  • 8 days with some rainfall in September in Marion8
    8 days with some rainfall
  • 57°F minimum night-time temperature in September in Marion57
    57°F min night temperature
  • 12 hours of daylight per day in September in Marion12
    12 hours of daylight per day
  • Low heat & humidity in September in MarionL
    Low heat & humidity
  • 3.2 inches monthly rainfall in September in Marion3.2
    3.2 inches of monthly rainfall
  • UV (maximum) index 7 (High) in September in Marion7
    7 (High) UV index

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The September weather guide for Illinois (Marion) 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)  |  Imperial (°F)

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How hot is it in Marion in September?

Daytime temperatures usually reach 81°F in Marion in September with low heat and humidity, falling to 57°F at night.

How sunny is it in Marion in September?

There are normally 8 hours of bright sunshine each day in Marion in September - that's 65% of daylight hours.

Does it rain in Marion in September?

There are usually 8 days with some rain in Marion in September and the average monthly rainfall is 3.2 inches.

Marion September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st September 2024 06:26 19:24
Sunday, 15th September 2024 06:38 19:03
Monday, 30th September 2024 06:51 18:39

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