S
M
T
W
T
F
S
30
76°
54°
31
75°
54°
1
75°
60°
2
76°
62°
3
79°
62°
4
83°
63°
5
83°
60°
6
79°
53°
7
76°
53°
8
76°
54°
9
75°
51°
10
73°
51°
11
74°
52°
12
74°
52°
13
76°
57°
14
79°
58°
15
75°
55°
16
73°
53°
17
72°
54°
18
73°
56°
19
75°
48°
20
72°
51°
21
72°
48°
22
76°
47°
23
70°
46°
24
70°
47°
25
71°
53°
26
71°
46°
27
72°
53°
28
71°
52°
29
71°
44°
30
67°
48°
1
68°
52°
2
74°
51°
3
71°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Rocky Valley
Rocky Valley's September 2026 forecast shows daily high temperatures ranging from 67° to 83°, with overnight lows between 44° and 63°. The average high for September is 74° with an average low of 53°. 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 Rocky Valley. See also: October | November | December.
