S
M
T
W
T
F
S
30
93°
74°
31
94°
74°
1
96°
75°
2
97°
76°
3
98°
76°
4
96°
76°
5
90°
75°
6
97°
74°
7
90°
73°
8
90°
74°
9
90°
73°
10
92°
74°
11
87°
75°
12
90°
74°
13
93°
67°
14
99°
69°
15
94°
70°
16
93°
63°
17
92°
64°
18
92°
72°
19
90°
71°
20
89°
70°
21
86°
69°
22
84°
68°
23
82°
66°
24
85°
66°
25
84°
65°
26
83°
64°
27
87°
67°
28
87°
69°
29
87°
68°
30
86°
69°
1
87°
67°
2
86°
67°
3
87°
66°
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 82° to 99°, with overnight lows between 63° and 72°. The average high for September is 88° with an average low of 67°. 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.
