Severe thunderstorms will be possible from the central Plains to the Mid-Atlantic and Northeast on Monday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry conditions will fuel fire weather concerns for Interior Alaska and the Four Corners region through Monday. Read More >
Overview & Graphics
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September 2023 Monthly Climate Summary Graphic |
Chicago and Rockford Monthly Summary
Public Information Statement National Weather Service Chicago IL 858 AM CDT Sun Oct 1 2023 /958 AM EDT Sun Oct 1 2023/ ...A Look Back at the Climate for the Month of September 2023 for Chicago and Rockford... At Chicago, the average high temperature was 77.7 degrees, which is 2.2 degrees above normal. The average low temperature was 61.2 degrees, which is 4.1 degrees above normal. The average temperature for the month was 69.5 degrees, which is 3.2 degrees above normal. 3.36 inches of precipitation were recorded, which is 0.17 inches above normal. There were no daily or top ten monthly records set for Chicago during the month of September 2023. At Rockford, the average high temperature was 77.4 degrees, which is 2.1 degrees above normal. The average low temperature was 56.6 degrees, which is 3.1 degrees above normal. The average temperature for the month was 67.0 degrees, which is 2.6 degrees above normal. 2.19 inches of precipitation were recorded, which is 1.43 inches below normal. There were no daily or top ten monthly records set for Rockford during the month of September 2023.
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