S
M
T
W
T
F
S
30
90°
68°
31
91°
67°
1
93°
67°
2
95°
69°
3
96°
71°
4
95°
71°
5
96°
71°
6
95°
71°
7
83°
68°
8
89°
67°
9
90°
64°
10
93°
62°
11
94°
71°
12
82°
68°
13
89°
67°
14
91°
69°
15
90°
70°
16
89°
69°
17
88°
68°
18
86°
66°
19
82°
62°
20
81°
60°
21
79°
60°
22
78°
60°
23
80°
62°
24
81°
60°
25
84°
63°
26
83°
61°
27
83°
63°
28
84°
63°
29
84°
62°
30
83°
63°
1
82°
62°
2
82°
61°
3
81°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Chickamauga
Chickamauga's September 2026 forecast shows daily high temperatures ranging from 78° to 94°, with overnight lows between 60° and 71°. The average high for September is 84° 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 Chickamauga. See also: October | November | December.
