S
M
T
W
T
F
S
30
76°
56°
31
75°
56°
1
75°
54°
2
69°
52°
3
66°
52°
4
72°
55°
5
74°
55°
6
75°
56°
7
75°
55°
8
74°
54°
9
69°
53°
10
69°
54°
11
64°
50°
12
69°
48°
13
64°
47°
14
68°
45°
15
65°
42°
16
63°
39°
17
62°
40°
18
61°
38°
19
60°
39°
20
60°
44°
21
64°
48°
22
67°
50°
23
70°
51°
24
69°
50°
25
72°
48°
26
71°
43°
27
70°
38°
28
66°
44°
29
66°
35°
30
62°
46°
1
67°
33°
2
66°
33°
3
55°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Rock
Rock's September 2026 forecast shows daily high temperatures ranging from 55° to 76°, with overnight lows between 32° and 56°. The average high for September is 68° with an average low of 47°. 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 Rock. See also: October | November | December.
