Station information
- Integrated Surface Dataset (ISD) station ID: 997338
- Country: US
- State: IL
- Latitude: 42.0
- Longitude: -87.5
High Temperatures
On September 23 in CHICAGO the average high temperature is 72.2 °F (22.3 °C). The lowest recored high temperature was 56.8 °F (13.8 °C) in 2012 and the highest recored high temperature was 86.5 °F (30.3 °C) in 2010. The high temperature is usually* between 66.8 °F (19.3 °C) and 77.6 °F (25.3 °C). About a quarter of the time, the high temperature is less than 66.8 °F (19.3 °C), and another quarter of the time, the high temperature is greater than and 77.6 °F (25.3 °C). About 95% of the time, the high temperature has been between 56.5 °F (13.6 °C) and 87.9 °F (31.1 °C).
Low Temperatures
On September 23 in CHICAGO the average low temperature is 62.0 °F (16.7 °C). The lowest recored low temperature was 46.8 °F (8.2 °C) in 2012 and the lowest recored low temperature was 74.8 °F (23.8 °C) in 2017. The low temperature is usually* between 57.6 °F (14.2 °C) and 66.3 °F (19.1 °C). About a quarter of the time, the low temperature is less than 57.6 °F (14.2 °C), and another quarter of the time, the low temperature is greater than and 66.3 °F (19.1 °C). About 95% of the time, the low temperature has been between 49.3 °F (9.6 °C) and 74.6 °F (23.7 °C).
Frost
On September 23 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