S
M
T
W
T
F
S
30
92°
71°
31
93°
70°
1
93°
71°
2
94°
71°
3
93°
70°
4
93°
71°
5
92°
72°
6
93°
71°
7
94°
68°
8
86°
68°
9
86°
67°
10
87°
67°
11
89°
69°
12
90°
69°
13
91°
68°
14
90°
69°
15
89°
68°
16
89°
63°
17
85°
65°
18
83°
68°
19
84°
60°
20
88°
60°
21
83°
57°
22
81°
59°
23
81°
60°
24
82°
61°
25
81°
62°
26
82°
64°
27
86°
65°
28
86°
66°
29
85°
66°
30
86°
65°
1
85°
64°
2
86°
58°
3
80°
59°
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 80° to 94°, with overnight lows between 57° and 72°. The average high for September is 87° with an average low of 66°. 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.
