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Typical weather at station GARY/CHICAGO AIRPORT on September 23

Station information

High Temperatures

On September 23 in <NA> the average high temperature is 72.1 °F (22.3 °C). The lowest recored high temperature was 54.0 °F (12.2 °C) in 1995 and the highest recored high temperature was 91.4 °F (33.0 °C) in 2017. The high temperature is usually* between 66.1 °F (18.9 °C) and 78.0 °F (25.6 °C). About a quarter of the time, the high temperature is less than 66.1 °F (18.9 °C), and another quarter of the time, the high temperature is greater than and 78.0 °F (25.6 °C). About 95% of the time, the high temperature has been between 54.7 °F (12.6 °C) and 89.4 °F (31.9 °C).

Low Temperatures

On September 23 in <NA> the average low temperature is 54.4 °F (12.4 °C). The lowest recored low temperature was 34.0 °F (1.1 °C) in 1995 and the lowest recored low temperature was 66.2 °F (19.0 °C) in 2017. The low temperature is usually* between 48.5 °F (9.2 °C) and 60.2 °F (15.7 °C). About a quarter of the time, the low temperature is less than 48.5 °F (9.2 °C), and another quarter of the time, the low temperature is greater than and 60.2 °F (15.7 °C). About 95% of the time, the low temperature has been between 37.3 °F (3.0 °C) and 71.4 °F (21.9 °C).

Frost

On September 23 in <NA> expect the temperatures to drop below freezing for a risk of frost about 0.5% 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: