S
M
T
W
T
F
S
30
81°
68°
31
82°
69°
1
87°
63°
2
81°
63°
3
81°
64°
4
82°
62°
5
80°
62°
6
82°
64°
7
83°
63°
8
82°
67°
9
85°
67°
10
81°
66°
11
82°
65°
12
84°
65°
13
84°
64°
14
83°
65°
15
84°
65°
16
84°
62°
17
82°
63°
18
76°
64°
19
81°
63°
20
82°
63°
21
81°
61°
22
81°
55°
23
78°
61°
24
74°
61°
25
Hist. Avg.
76°
58°
26
Hist. Avg.
75°
57°
27
Hist. Avg.
75°
57°
28
Hist. Avg.
74°
56°
29
Hist. Avg.
74°
56°
30
Hist. Avg.
74°
56°
1
Hist. Avg.
73°
55°
2
Hist. Avg.
73°
55°
3
Hist. Avg.
72°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Rockdale
Rockdale's September 2026 forecast shows daily high temperatures ranging from 74° to 87°, with overnight lows between 55° and 69°. The average high for September is 82° with an average low of 64°. 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.
