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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.
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.
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.
|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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