S
M
T
W
T
F
S
30
82°
55°
31
83°
54°
1
81°
53°
2
84°
54°
3
86°
54°
4
80°
53°
5
80°
54°
6
79°
52°
7
85°
55°
8
85°
55°
9
86°
54°
10
86°
55°
11
85°
55°
12
82°
54°
13
79°
53°
14
78°
52°
15
78°
53°
16
82°
54°
17
84°
55°
18
77°
54°
19
76°
53°
20
78°
53°
21
81°
54°
22
77°
48°
23
76°
49°
24
76°
52°
25
77°
48°
26
75°
46°
27
75°
47°
28
74°
46°
29
76°
46°
30
76°
47°
1
77°
49°
2
78°
46°
3
73°
41°
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 73° to 86°, with overnight lows between 41° and 55°. The average high for September is 80° with an average low of 52°. 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.
