Illinois weather in September 2020

Below are average maximum temperatures at popular destinations in Illinois in September. Select a destination to see more weather parameters.

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The September weather guide for Illinois 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.

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Metric (°C / mm)  |  Imperial (°F / inches)

Illinois sunrise & sunset times for September 2020

Browse the sunrise & sunset times for Illinois in September 2020. Select a month to view Illinois sunrise & sunset times for the next twelve months. The Illinois sunrise & sunset times shown below are for Chicago.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st September 2020 06:17 19:23
Tuesday, 15th September 2020 06:31 18:59
Wednesday, 30th September 2020 06:47 18:33
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