S
M
T
W
T
F
S
30
89°
65°
31
88°
64°
1
83°
60°
2
84°
59°
3
83°
59°
4
82°
58°
5
83°
59°
6
85°
61°
7
85°
61°
8
86°
58°
9
84°
58°
10
86°
62°
11
87°
62°
12
84°
63°
13
87°
63°
14
87°
62°
15
86°
61°
16
86°
61°
17
87°
62°
18
86°
61°
19
85°
60°
20
83°
59°
21
84°
56°
22
81°
52°
23
80°
57°
24
78°
58°
25
77°
52°
26
Hist. Avg.
79°
54°
27
Hist. Avg.
79°
54°
28
Hist. Avg.
78°
53°
29
Hist. Avg.
78°
53°
30
Hist. Avg.
78°
52°
1
Hist. Avg.
77°
52°
2
Hist. Avg.
77°
52°
3
Hist. Avg.
77°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Columbia
Columbia's September 2026 forecast shows daily high temperatures ranging from 77° to 89°, with overnight lows between 52° and 65°. The average high for September is 84° with an average low of 60°. 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 Columbia. See also: October | November | December.
