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7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Mount Pleasant Airport,
Content continues below
September
Average Temperature
High
7°
Feels 3
Low
3°
Feels -2
Average Precipitation
10 Days
Rain amount
27.3mm
Snow amount
0.4cm
Content continues below
Daily Historical Averages
September 2026
S
M
T
W
T
F
S
1
2
3
3°
4
1°
5
5°
6
7°
7
7°
8
7°
9
7°
10
4°
11
4°
12
5°
13
6°
14
5°
15
5°
16
5°
17
5°
18
19
20
21
22
23
24
25
26
27
28
29
30
Forecast
Thursday, September 3, 2026
Day
3°
Feels -3
Wind
37 km/h S
Gust
56 km/h
Humidity
63%
P.O.P
90%
Snow
<1 cm
Rain
2-4 mm
Night
-2°
Feels -7
Wind
26 km/h S
Gust
40 km/h
Humidity
74%
P.O.P
40%
Snow
<1 cm
Historical Averages
Sep 3
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.