S
M
T
W
T
F
S
30
84°
70°
31
90°
64°
1
93°
66°
2
93°
70°
3
95°
70°
4
95°
70°
5
91°
70°
6
88°
68°
7
77°
62°
8
81°
61°
9
84°
66°
10
84°
68°
11
85°
68°
12
83°
67°
13
83°
68°
14
86°
66°
15
83°
69°
16
80°
67°
17
79°
66°
18
82°
64°
19
78°
63°
20
79°
60°
21
83°
65°
22
82°
64°
23
81°
64°
24
80°
63°
25
80°
63°
26
81°
64°
27
82°
64°
28
81°
63°
29
80°
63°
30
80°
62°
1
79°
62°
2
79°
61°
3
78°
59°
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 77° to 86°, with overnight lows between 59° and 69°. The average high for September is 81° with an average low of 64°. 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.
