September 2 - Chicago - Weather History and Averages

High Temperatures

On September 2 in Chicago, IL (Illinois), USA the average high temperature is 80.6 °F (27.0 °C). The lowest recored high temperature was 62.1 °F (16.7 °C) in 1974 and the highest recored high temperature was 100.9 °F (38.3 °C) in 1953. The high temperature is usually* between 75.8 °F (24.4 °C) and 85.4 °F (29.7 °C). About a quarter of the time, the high temperature is less than 75.8 °F (24.4 °C), and another quarter of the time, the high temperature is greater than and 85.4 °F (29.7 °C). About 95% of the time, the high temperature has been between 66.7 °F (19.3 °C) and 94.5 °F (34.7 °C).

Low Temperatures

On September 2 in Chicago, IL (Illinois), USA the average low temperature is 63.2 °F (17.3 °C). The lowest recored low temperature was 41.0 °F (5.0 °C) in 1967 and the lowest recored low temperature was 79.0 °F (26.1 °C) in 2011. The low temperature is usually* between 58.9 °F (15.0 °C) and 67.5 °F (19.7 °C). About a quarter of the time, the low temperature is less than 58.9 °F (15.0 °C), and another quarter of the time, the low temperature is greater than and 67.5 °F (19.7 °C). About 95% of the time, the low temperature has been between 50.8 °F (10.4 °C) and 75.7 °F (24.3 °C).

Frost

On September 2 in Chicago, IL (Illinois), USA expect the temperatures to drop below freezing for a risk of frost about 0.0% of the time.

Usually* in this context means around 50% of the time, assuming a normal distribution of values.

Data Source(s)

The data used to compute the average high/low temperatures for this location were taken from the following stations: