S
M
T
W
T
F
S
30
73°
62°
31
73°
61°
1
75°
62°
2
77°
55°
3
76°
51°
4
68°
56°
5
68°
61°
6
76°
54°
7
72°
52°
8
66°
52°
9
68°
56°
10
67°
59°
11
68°
60°
12
75°
58°
13
74°
57°
14
72°
50°
15
64°
49°
16
63°
53°
17
64°
49°
18
63°
48°
19
64°
45°
20
62°
45°
21
61°
51°
22
62°
53°
23
66°
47°
24
65°
53°
25
67°
55°
26
63°
55°
27
69°
53°
28
69°
47°
29
68°
49°
30
58°
51°
1
61°
50°
2
67°
52°
3
57°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Rockwood
Rockwood's September 2026 forecast shows daily high temperatures ranging from 57° to 77°, with overnight lows between 41° and 62°. The average high for September is 67° 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 Rockwood. See also: October | November | December.