S
M
T
W
T
F
S
30
94°
53°
31
95°
53°
1
96°
52°
2
96°
52°
3
95°
50°
4
95°
53°
5
94°
53°
6
95°
52°
7
95°
53°
8
94°
49°
9
93°
52°
10
89°
53°
11
94°
52°
12
89°
50°
13
88°
51°
14
86°
47°
15
87°
46°
16
Hist. Avg.
87°
51°
17
Hist. Avg.
87°
51°
18
Hist. Avg.
87°
51°
19
Hist. Avg.
87°
51°
20
Hist. Avg.
86°
51°
21
Hist. Avg.
86°
51°
22
Hist. Avg.
86°
50°
23
Hist. Avg.
86°
50°
24
Hist. Avg.
86°
50°
25
Hist. Avg.
85°
50°
26
Hist. Avg.
85°
50°
27
Hist. Avg.
85°
50°
28
Hist. Avg.
84°
49°
29
Hist. Avg.
84°
49°
30
Hist. Avg.
84°
49°
1
Hist. Avg.
83°
49°
2
Hist. Avg.
83°
48°
3
Hist. Avg.
83°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Potter Valley
Potter Valley's September 2026 forecast shows daily high temperatures ranging from 86° to 96°, with overnight lows between 46° and 53°. The average high for September is 93° with an average low of 51°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in Potter Valley. See also: October | November | December.
