S
M
T
W
T
F
S
30
87°
68°
31
88°
66°
1
92°
66°
2
93°
67°
3
95°
68°
4
92°
69°
5
93°
68°
6
91°
68°
7
84°
66°
8
85°
65°
9
87°
68°
10
87°
66°
11
90°
67°
12
79°
69°
13
86°
66°
14
87°
64°
15
89°
64°
16
89°
69°
17
90°
66°
18
92°
67°
19
90°
66°
20
86°
67°
21
87°
66°
22
82°
64°
23
79°
65°
24
73°
57°
25
77°
50°
26
77°
51°
27
74°
52°
28
77°
50°
29
80°
56°
30
81°
65°
1
77°
59°
2
76°
58°
3
75°
59°
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 73° to 81°, with overnight lows between 50° and 65°. The average high for September is 77° with an average low of 56°. 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.