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Typical weather in Chicago, IL (Illinois), USA on September 5

High Temperatures

On September 5 in Chicago, IL (Illinois), USA the average high temperature is 79.5 °F (26.4 °C). The lowest recored high temperature was 59.9 °F (15.5 °C) in 1988 and the highest recored high temperature was 96.1 °F (35.6 °C) in 1954. The high temperature is usually* between 74.4 °F (23.6 °C) and 84.6 °F (29.2 °C). About a quarter of the time, the high temperature is less than 74.4 °F (23.6 °C), and another quarter of the time, the high temperature is greater than and 84.6 °F (29.2 °C). About 95% of the time, the high temperature has been between 64.7 °F (18.2 °C) and 94.3 °F (34.6 °C).

Low Temperatures

On September 5 in Chicago, IL (Illinois), USA the average low temperature is 61.8 °F (16.6 °C). The lowest recored low temperature was 42.1 °F (5.6 °C) in 1974 and the lowest recored low temperature was 75.9 °F (24.4 °C) in 2023. The low temperature is usually* between 56.8 °F (13.8 °C) and 66.8 °F (19.3 °C). About a quarter of the time, the low temperature is less than 56.8 °F (13.8 °C), and another quarter of the time, the low temperature is greater than and 66.8 °F (19.3 °C). About 95% of the time, the low temperature has been between 47.3 °F (8.5 °C) and 76.4 °F (24.6 °C).

Frost

On September 5 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: