S
M
T
W
T
F
S
30
81°
63°
31
83°
60°
1
79°
56°
2
79°
56°
3
78°
55°
4
78°
54°
5
79°
55°
6
78°
60°
7
78°
57°
8
79°
59°
9
78°
55°
10
77°
54°
11
80°
61°
12
81°
60°
13
82°
60°
14
83°
59°
15
82°
59°
16
81°
58°
17
79°
60°
18
82°
59°
19
81°
58°
20
78°
56°
21
81°
50°
22
76°
49°
23
75°
55°
24
79°
56°
25
72°
49°
26
Hist. Avg.
74°
52°
27
Hist. Avg.
74°
52°
28
Hist. Avg.
73°
52°
29
Hist. Avg.
73°
51°
30
Hist. Avg.
72°
51°
1
Hist. Avg.
72°
50°
2
Hist. Avg.
72°
50°
3
Hist. Avg.
71°
50°
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 72° to 83°, with overnight lows between 49° and 63°. The average high for September is 79° 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.