S
M
T
W
T
F
S
30
91°
72°
31
93°
72°
1
95°
72°
2
N/A
3
95°
73°
4
94°
72°
5
96°
73°
6
94°
70°
7
86°
70°
8
87°
70°
9
91°
69°
10
94°
70°
11
94°
68°
12
89°
69°
13
88°
67°
14
88°
68°
15
89°
62°
16
79°
65°
17
79°
63°
18
77°
65°
19
78°
65°
20
79°
64°
21
82°
65°
22
79°
64°
23
83°
63°
24
82°
63°
25
77°
62°
26
80°
63°
27
81°
57°
28
74°
53°
29
73°
53°
30
73°
52°
1
74°
54°
2
74°
60°
3
73°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Kennesaw
Kennesaw's September 2026 forecast shows daily high temperatures ranging from 73° to 96°, with overnight lows between 52° and 73°. The average high for September is 83° 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 Kennesaw. See also: October | November | December.
