S
M
T
W
T
F
S
30
73°
66°
31
77°
63°
1
81°
62°
2
79°
59°
3
76°
59°
4
68°
62°
5
76°
55°
6
75°
51°
7
75°
52°
8
71°
65°
9
85°
56°
10
73°
51°
11
75°
47°
12
78°
50°
13
64°
38°
14
65°
55°
15
73°
46°
16
67°
47°
17
70°
47°
18
65°
49°
19
66°
47°
20
63°
45°
21
68°
47°
22
66°
47°
23
67°
46°
24
66°
48°
25
67°
49°
26
68°
42°
27
68°
48°
28
58°
48°
29
64°
48°
30
64°
47°
1
66°
47°
2
65°
46°
3
63°
46°
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 58° to 73°, with overnight lows between 38° and 55°. The average high for September is 66° 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.
