S
M
T
W
T
F
S
30
98°
76°
31
100°
72°
1
97°
76°
2
102°
78°
3
97°
77°
4
90°
78°
5
96°
75°
6
94°
77°
7
100°
75°
8
97°
75°
9
96°
74°
10
96°
76°
11
98°
77°
12
100°
74°
13
100°
72°
14
98°
71°
15
96°
70°
16
96°
70°
17
95°
68°
18
95°
69°
19
94°
68°
20
92°
64°
21
95°
69°
22
95°
69°
23
94°
68°
24
89°
68°
25
86°
67°
26
91°
67°
27
91°
66°
28
90°
67°
29
91°
67°
30
90°
62°
1
85°
57°
2
83°
57°
3
83°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Columbus
Columbus's September 2026 forecast shows daily high temperatures ranging from 83° to 100°, with overnight lows between 56° and 77°. The average high for September is 93° with an average low of 68°. 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 Columbus. See also: October | November | December.
