S
M
T
W
T
F
S
30
92°
69°
31
97°
73°
1
99°
72°
2
98°
74°
3
97°
75°
4
97°
74°
5
97°
70°
6
89°
67°
7
88°
66°
8
97°
74°
9
94°
71°
10
92°
64°
11
85°
65°
12
91°
64°
13
82°
65°
14
82°
61°
15
83°
61°
16
86°
62°
17
68°
56°
18
76°
58°
19
77°
61°
20
81°
60°
21
79°
61°
22
77°
59°
23
77°
58°
24
78°
58°
25
80°
59°
26
77°
52°
27
68°
47°
28
67°
46°
29
67°
49°
30
71°
46°
1
68°
52°
2
73°
53°
3
65°
52°
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 65° to 97°, with overnight lows between 46° and 74°. The average high for September is 80° with an average low of 60°. 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.
