S
M
T
W
T
F
S
30
85°
55°
31
89°
55°
1
89°
57°
2
88°
56°
3
85°
57°
4
83°
57°
5
87°
56°
6
89°
57°
7
89°
56°
8
88°
57°
9
88°
54°
10
84°
50°
11
82°
49°
12
83°
49°
13
82°
52°
14
81°
53°
15
83°
51°
16
85°
53°
17
84°
56°
18
86°
58°
19
79°
57°
20
80°
57°
21
86°
56°
22
86°
56°
23
84°
55°
24
84°
56°
25
85°
56°
26
84°
55°
27
85°
54°
28
79°
55°
29
78°
56°
30
80°
56°
1
84°
57°
2
85°
55°
3
84°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Pope Valley
Pope Valley's September 2026 forecast shows daily high temperatures ranging from 78° to 89°, with overnight lows between 49° and 58°. The average high for September is 84° with an average low of 55°. 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 Pope Valley. See also: October | November | December.
