S
M
T
W
T
F
S
30
85°
65°
31
84°
64°
1
84°
66°
2
87°
65°
3
85°
68°
4
88°
68°
5
88°
67°
6
87°
63°
7
85°
68°
8
86°
66°
9
84°
67°
10
82°
66°
11
86°
65°
12
86°
66°
13
85°
66°
14
86°
65°
15
86°
66°
16
85°
65°
17
85°
65°
18
84°
63°
19
83°
63°
20
84°
58°
21
82°
63°
22
81°
63°
23
83°
62°
24
83°
60°
25
82°
58°
26
83°
61°
27
82°
62°
28
82°
60°
29
81°
59°
30
80°
58°
1
81°
59°
2
81°
59°
3
76°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Rockdale
Rockdale's September 2026 forecast shows daily high temperatures ranging from 76° to 88°, with overnight lows between 58° and 68°. The average high for September is 84° with an average low of 63°. 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 Rockdale. See also: October | November | December.
