S
M
T
W
T
F
S
30
91°
67°
31
89°
69°
1
91°
70°
2
94°
69°
3
95°
75°
4
95°
68°
5
92°
69°
6
86°
71°
7
92°
69°
8
88°
66°
9
84°
51°
10
83°
62°
11
87°
60°
12
74°
57°
13
74°
62°
14
74°
53°
15
71°
52°
16
73°
55°
17
69°
52°
18
69°
52°
19
74°
51°
20
75°
53°
21
76°
52°
22
80°
59°
23
81°
60°
24
79°
59°
25
71°
59°
26
73°
58°
27
77°
59°
28
76°
58°
29
72°
56°
30
75°
50°
1
63°
46°
2
63°
43°
3
62°
42°
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 62° to 88°, with overnight lows between 42° and 66°. 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.
