September 15 - LAKE ST CLAIR MI - Weather History and Averages

Station: LAKE ST CLAIR MI (2004 to 2012)
Country: US
State: MI
Latitude: 42.47
Longitude: -82.76

High Temperatures

On September 15 in LAKE ST CLAIR MI the average high temperature is 70.4 °F (21.3 °C). The lowest recored high temperature was 60.4 °F (15.8 °C) in 2007 and the highest recored high temperature was 77.7 °F (25.4 °C) in 2009. The high temperature is usually^* between 66.7 °F (19.3 °C) and 74.2 °F (23.4 °C). About a quarter of the time, the high temperature is less than 66.7 °F (19.3 °C), and another quarter of the time, the high temperature is greater than and 74.2 °F (23.4 °C). About 95% of the time, the high temperature has been between 59.5 °F (15.3 °C) and 81.3 °F (27.4 °C).

Low Temperatures

On September 15 in LAKE ST CLAIR MI the average low temperature is 61.0 °F (16.1 °C). The lowest recored low temperature was 46.8 °F (8.2 °C) in 2007 and the lowest recored low temperature was 68.7 °F (20.4 °C) in 2004. The low temperature is usually^* between 56.6 °F (13.7 °C) and 65.4 °F (18.6 °C). About a quarter of the time, the low temperature is less than 56.6 °F (13.7 °C), and another quarter of the time, the low temperature is greater than and 65.4 °F (18.6 °C). About 95% of the time, the low temperature has been between 48.3 °F (9.0 °C) and 73.8 °F (23.2 °C).

Frost

On September 15 in LAKE ST CLAIR MI 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 MI — Integrated Surface Dataset (ISD) station ID: 994770 — from year 2004 to 2010

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