S
M
T
W
T
F
S
30
79°
61°
31
81°
65°
1
84°
65°
2
84°
64°
3
85°
58°
4
83°
55°
5
77°
56°
6
77°
61°
7
78°
60°
8
81°
61°
9
82°
62°
10
77°
61°
11
81°
60°
12
81°
61°
13
80°
62°
14
80°
62°
15
82°
61°
16
82°
59°
17
80°
60°
18
79°
55°
19
79°
52°
20
74°
51°
21
71°
50°
22
71°
57°
23
72°
54°
24
76°
50°
25
70°
49°
26
69°
49°
27
71°
50°
28
75°
55°
29
74°
54°
30
75°
53°
1
69°
54°
2
68°
47°
3
68°
53°
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 68° to 85°, with overnight lows between 47° and 65°. The average high for September is 77° with an average low of 57°. 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.
