S
M
T
W
T
F
S
30
89°
73°
31
91°
73°
1
91°
72°
2
89°
72°
3
88°
71°
4
88°
72°
5
87°
72°
6
88°
70°
7
91°
71°
8
92°
71°
9
89°
69°
10
90°
70°
11
91°
70°
12
90°
69°
13
89°
69°
14
90°
68°
15
90°
68°
16
85°
68°
17
87°
69°
18
Hist. Avg.
87°
66°
19
Hist. Avg.
87°
66°
20
Hist. Avg.
87°
65°
21
Hist. Avg.
87°
65°
22
Hist. Avg.
86°
65°
23
Hist. Avg.
86°
64°
24
Hist. Avg.
86°
64°
25
Hist. Avg.
86°
63°
26
Hist. Avg.
85°
63°
27
Hist. Avg.
85°
63°
28
Hist. Avg.
85°
62°
29
Hist. Avg.
84°
62°
30
Hist. Avg.
84°
61°
1
Hist. Avg.
84°
61°
2
Hist. Avg.
84°
60°
3
Hist. Avg.
83°
60°
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 85° to 92°, with overnight lows between 68° and 73°. The average high for September is 89° with an average low of 70°. 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.
