S
M
T
W
T
F
S
30
95°
73°
31
98°
72°
1
98°
72°
2
99°
75°
3
98°
73°
4
94°
74°
5
100°
75°
6
98°
73°
7
99°
74°
8
97°
73°
9
93°
72°
10
95°
71°
11
94°
71°
12
91°
65°
13
92°
69°
14
89°
66°
15
86°
69°
16
83°
69°
17
84°
68°
18
87°
69°
19
88°
69°
20
83°
68°
21
83°
68°
22
85°
66°
23
86°
66°
24
87°
66°
25
89°
67°
26
87°
66°
27
88°
67°
28
88°
66°
29
87°
65°
30
88°
66°
1
87°
66°
2
85°
65°
3
84°
65°
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 83° to 100°, with overnight lows between 65° and 75°. The average high for September is 90° with an average low of 69°. 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.
