S
M
T
W
T
F
S
30
89°
58°
31
80°
52°
1
71°
46°
2
70°
50°
3
66°
52°
4
75°
46°
5
77°
50°
6
81°
50°
7
85°
56°
8
91°
59°
9
97°
66°
10
100°
72°
11
95°
64°
12
86°
60°
13
80°
64°
14
86°
53°
15
88°
58°
16
75°
48°
17
73°
47°
18
84°
53°
19
91°
60°
20
83°
62°
21
85°
55°
22
84°
54°
23
90°
60°
24
89°
62°
25
80°
58°
26
76°
53°
27
78°
55°
28
83°
52°
29
91°
62°
30
94°
66°
1
92°
63°
2
87°
64°
3
87°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Cobb
Cobb's September 2026 forecast shows daily high temperatures ranging from 87° to 87°, with overnight lows between 64° and 70°. The average high for September is 87° with an average low of 67°. 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 Cobb. See also: October | November | December.
