S
M
T
W
T
F
S
31
95°
63°
1
98°
63°
2
99°
71°
3
93°
65°
4
90°
61°
5
88°
53°
6
82°
55°
7
83°
53°
8
76°
55°
9
73°
56°
10
70°
54°
11
75°
56°
12
83°
57°
13
86°
59°
14
85°
53°
15
90°
61°
16
91°
62°
17
94°
64°
18
91°
69°
19
74°
58°
20
83°
60°
21
89°
60°
22
91°
63°
23
96°
66°
24
80°
62°
25
90°
64°
26
93°
61°
27
85°
63°
28
68°
48°
29
68°
56°
30
64°
56°
1
61°
51°
2
65°
51°
3
66°
50°
4
76°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Cobb
Cobb's September 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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.