S
M
T
W
T
F
S
30
77°
57°
31
77°
63°
1
82°
68°
2
86°
68°
3
82°
63°
4
77°
63°
5
73°
59°
6
72°
52°
7
72°
48°
8
77°
52°
9
79°
57°
10
73°
64°
11
73°
61°
12
75°
57°
13
77°
64°
14
63°
46°
15
72°
46°
16
82°
54°
17
77°
64°
18
73°
55°
19
66°
55°
20
68°
57°
21
60°
52°
22
58°
49°
23
53°
45°
24
57°
40°
25
63°
41°
26
64°
42°
27
63°
45°
28
62°
46°
29
65°
47°
30
66°
48°
1
63°
49°
2
62°
44°
3
61°
50°
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 53° to 68°, with overnight lows between 40° and 57°. The average high for September is 62° 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 Rockwood. See also: October | November | December.