September 30 - LAKE ST CLAIR - Weather History and Averages

Station: LAKE ST CLAIR (2004 to 2017)
Country: CA
Latitude: 42.43
Longitude: -82.68

High Temperatures

On September 30 in LAKE ST CLAIR the average high temperature is 62.9 °F (17.2 °C). The lowest recored high temperature was 57.7 °F (14.3 °C) in 2009 and the highest recored high temperature was 70.0 °F (21.1 °C) in 2007. The high temperature is usually^* between 60.1 °F (15.6 °C) and 65.8 °F (18.8 °C). About a quarter of the time, the high temperature is less than 60.1 °F (15.6 °C), and another quarter of the time, the high temperature is greater than and 65.8 °F (18.8 °C). About 95% of the time, the high temperature has been between 54.6 °F (12.6 °C) and 71.2 °F (21.8 °C).

Low Temperatures

On September 30 in LAKE ST CLAIR the average low temperature is 55.3 °F (12.9 °C). The lowest recored low temperature was 46.8 °F (8.2 °C) in 2009 and the lowest recored low temperature was 64.2 °F (17.9 °C) in 2007. The low temperature is usually^* between 52.2 °F (11.2 °C) and 58.4 °F (14.7 °C). About a quarter of the time, the low temperature is less than 52.2 °F (11.2 °C), and another quarter of the time, the low temperature is greater than and 58.4 °F (14.7 °C). About 95% of the time, the low temperature has been between 46.2 °F (7.9 °C) and 64.4 °F (18.0 °C).

Frost

On September 30 in LAKE ST CLAIR 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:

LAKE ST CLAIR — Integrated Surface Dataset (ISD) station ID: 997219 — from year 2004 to 2017

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