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7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Mt Shasta, CA
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Daily Historical Averages
September 2026
S
M
T
W
T
F
S
1
2
12°
3
12°
4
15°
5
19°
6
17°
7
19°
8
23°
9
25°
10
24°
11
22°
12
21°
13
22°
14
23°
15
24°
16
24°
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Forecast
Wednesday, September 2, 2026
Day
12°
Feels 11
Wind
26 km/h S
Gust
39 km/h
Humidity
87%
P.O.P
90%
Rain
~10 mm
Night
10°
Feels 9
Wind
10 km/h SE
Gust
15 km/h
Humidity
100%
P.O.P
90%
Rain
10-15 mm
Historical Averages
Sep 2
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
September
Average Temperature
High
26°
Feels 26
Low
8°
Feels 8
Average Precipitation
3 Days
Rain amount
12.7mm
Snow amount
0.1cm