- Country: US
- State: IL
- Latitude: 42.0
- Longitude: -87.5
High Temperatures
On September 22 in CHICAGO the average high temperature is 73.5 °F (23.1 °C). The lowest recored high temperature was 58.8 °F (14.9 °C) in 2014 and the highest recored high temperature was 84.9 °F (29.4 °C) in 2017. The high temperature is usually* between 67.8 °F (19.9 °C) and 79.2 °F (26.2 °C). About a quarter of the time, the high temperature is less than 67.8 °F (19.9 °C), and another quarter of the time, the high temperature is greater than and 79.2 °F (26.2 °C). About 95% of the time, the high temperature has been between 56.9 °F (13.8 °C) and 90.1 °F (32.3 °C).
Low Temperatures
On September 22 in CHICAGO the average low temperature is 63.3 °F (17.4 °C). The lowest recored low temperature was 45.1 °F (7.3 °C) in 2012 and the lowest recored low temperature was 74.3 °F (23.5 °C) in 2017. The low temperature is usually* between 58.6 °F (14.8 °C) and 67.9 °F (19.9 °C). About a quarter of the time, the low temperature is less than 58.6 °F (14.8 °C), and another quarter of the time, the low temperature is greater than and 67.9 °F (19.9 °C). About 95% of the time, the low temperature has been between 49.9 °F (9.9 °C) and 76.7 °F (24.8 °C).
Frost
On September 22 in CHICAGO expect the temperatures to drop below freezing for a risk of frost about 0.0% of the time.
Data Source(s)
The data used to compute the average high/low temperatures for this location were taken from the following stations:
- CHICAGO — Integrated Surface Dataset (ISD) station ID: 997338 — from year 2005 to 2024