September 11 - CHICAGO / CALUMET COAST GUARD - Weather History and Averages

Station: CHICAGO / CALUMET COAST GUARD (1994 to 1996)
Country: US
Latitude: 41.72
Longitude: -87.53

High Temperatures

On September 11 in CHICAGO / CALUMET COAST GUARD the average high temperature is 79.1 °F (26.2 °C). The lowest recored high temperature was 75.9 °F (24.4 °C) in 1995 and the highest recored high temperature was 83.8 °F (28.8 °C) in 1994. The high temperature is usually^* between 75.8 °F (24.3 °C) and 82.4 °F (28.0 °C). About a quarter of the time, the high temperature is less than 75.8 °F (24.3 °C), and another quarter of the time, the high temperature is greater than and 82.4 °F (28.0 °C). About 95% of the time, the high temperature has been between 69.4 °F (20.8 °C) and 88.8 °F (31.5 °C).

Low Temperatures

On September 11 in CHICAGO / CALUMET COAST GUARD the average low temperature is 59.7 °F (15.4 °C). The lowest recored low temperature was 52.9 °F (11.6 °C) in 1995 and the lowest recored low temperature was 63.9 °F (17.7 °C) in 1994. The low temperature is usually^* between 55.5 °F (13.0 °C) and 63.9 °F (17.7 °C). About a quarter of the time, the low temperature is less than 55.5 °F (13.0 °C), and another quarter of the time, the low temperature is greater than and 63.9 °F (17.7 °C). About 95% of the time, the low temperature has been between 47.4 °F (8.5 °C) and 72.0 °F (22.2 °C).

Frost

On September 11 in CHICAGO / CALUMET COAST GUARD 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:

CHICAGO / CALUMET COAST GUARD — Integrated Surface Dataset (ISD) station ID: 725344 — from year 1994 to 1995

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