S
M
T
W
T
F
S
30
82°
57°
31
77°
59°
1
78°
55°
2
77°
56°
3
79°
61°
4
86°
62°
5
85°
62°
6
86°
59°
7
84°
60°
8
76°
59°
9
77°
55°
10
76°
53°
11
77°
58°
12
80°
58°
13
75°
59°
14
76°
61°
15
82°
60°
16
82°
49°
17
76°
48°
18
72°
46°
19
69°
49°
20
71°
49°
21
72°
56°
22
78°
59°
23
79°
57°
24
78°
49°
25
76°
45°
26
69°
46°
27
68°
45°
28
67°
44°
29
67°
45°
30
Hist. Avg.
72°
48°
1
Hist. Avg.
71°
48°
2
Hist. Avg.
70°
48°
3
Hist. Avg.
70°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Columbus
Columbus's September 2026 forecast shows daily high temperatures ranging from 67° to 86°, with overnight lows between 44° and 62°. The average high for September is 77° with an average low of 54°. 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.