Chicago · United States
Weather in Chicago in September
In September the typical daytime high in Chicago is 23.9 °C on average, from 26.2 °C at the start to 20.8 °C at the end of the month.
The last 10 years were 1.8 °C warmer than more than 40 years ago.
- 126.2 °C
- 226.0 °C
- 325.8 °C
- 425.6 °C
- 525.5 °C
- 625.3 °C
- 725.2 °C
- 825.1 °C
- 925.0 °C
- 1024.8 °C
- 1124.7 °C
- 1224.5 °C
- 1324.5 °C
- 1424.3 °C
- 1524.2 °C
- 1624.0 °C
- 1723.9 °C
- 1823.8 °C
- 1923.6 °C
- 2023.4 °C
- 2123.2 °C
- 2222.9 °C
- 2322.7 °C
- 2422.5 °C
- 2522.2 °C
- 2622.0 °C
- 2721.7 °C
- 2821.4 °C
- 2921.1 °C
- 3020.8 °C
The average of the weather stations Rock Is L&D (245 km) and Green Bay (297 km); nearer ones count more.