S
M
T
W
T
F
S
30
91°
71°
31
86°
76°
1
97°
76°
2
82°
72°
3
91°
74°
4
90°
72°
5
84°
72°
6
84°
68°
7
84°
64°
8
87°
64°
9
93°
69°
10
91°
76°
11
82°
70°
12
83°
68°
13
89°
73°
14
81°
65°
15
79°
59°
16
82°
65°
17
86°
68°
18
83°
60°
19
76°
64°
20
79°
63°
21
70°
57°
22
68°
56°
23
66°
54°
24
67°
56°
25
71°
54°
26
72°
55°
27
74°
54°
28
74°
55°
29
75°
50°
30
72°
53°
1
68°
54°
2
74°
55°
3
67°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Cave Valley
Cave Valley's September 2026 forecast shows daily high temperatures ranging from 66° to 86°, with overnight lows between 50° and 68°. The average high for September is 74° with an average low of 57°. 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 Cave Valley. See also: October | November | December.
