S
M
T
W
T
F
S
30
86°
65°
31
91°
73°
1
93°
74°
2
96°
73°
3
97°
75°
4
84°
72°
5
83°
69°
6
80°
62°
7
82°
61°
8
86°
65°
9
91°
70°
10
83°
68°
11
82°
64°
12
77°
69°
13
87°
65°
14
73°
54°
15
87°
57°
16
89°
70°
17
83°
73°
18
76°
65°
19
82°
62°
20
82°
67°
21
67°
56°
22
62°
57°
23
69°
58°
24
69°
51°
25
71°
45°
26
73°
47°
27
75°
50°
28
73°
49°
29
76°
55°
30
82°
61°
1
84°
61°
2
66°
51°
3
67°
55°
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 66° to 84°, with overnight lows between 49° and 61°. The average high for September is 75° with an average low of 55°. 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.
