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7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Susanville, CA
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September
Average Temperature
High
27°
Feels 27
Low
7°
Feels 6
Average Precipitation
2 Days
Rain amount
4mm
Snow amount
0cm
Content continues below
Daily Historical Averages
September 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
28°
12
26°
13
21°
14
22°
15
26°
16
26°
17
27°
18
27°
19
26°
20
25°
21
26°
22
25°
23
23°
24
23°
25
24°
26
27
28
29
30
Forecast
Friday, September 11, 2026
Day
28°
Feels 28
Wind
25 km/h SW
Gust
38 km/h
Humidity
15%
P.O.P
0%
Night
12°
Feels 12
Wind
17 km/h W
Gust
26 km/h
Humidity
50%
P.O.P
20%
Historical Averages
Sep 11
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.