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Typical weather in Chicago, IL (Illinois), USA on September 7

High Temperatures

On September 7 in Chicago, IL (Illinois), USA the average high temperature is 79.1 °F (26.1 °C). The lowest recored high temperature was 63.0 °F (17.2 °C) in 1949 and the highest recored high temperature was 99.3 °F (37.4 °C) in 1960. The high temperature is usually* between 73.7 °F (23.2 °C) and 84.4 °F (29.1 °C). About a quarter of the time, the high temperature is less than 73.7 °F (23.2 °C), and another quarter of the time, the high temperature is greater than and 84.4 °F (29.1 °C). About 95% of the time, the high temperature has been between 63.5 °F (17.5 °C) and 94.6 °F (34.8 °C).

Low Temperatures

On September 7 in Chicago, IL (Illinois), USA the average low temperature is 61.1 °F (16.2 °C). The lowest recored low temperature was 39.0 °F (3.9 °C) in 1962 and the lowest recored low temperature was 78.1 °F (25.6 °C) in 2016. The low temperature is usually* between 55.8 °F (13.2 °C) and 66.4 °F (19.1 °C). About a quarter of the time, the low temperature is less than 55.8 °F (13.2 °C), and another quarter of the time, the low temperature is greater than and 66.4 °F (19.1 °C). About 95% of the time, the low temperature has been between 45.7 °F (7.6 °C) and 76.6 °F (24.8 °C).

Frost

On September 7 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: