S
M
T
W
T
F
S
30
93°
73°
31
94°
71°
1
92°
68°
2
89°
70°
3
91°
70°
4
93°
69°
5
92°
71°
6
92°
71°
7
89°
70°
8
88°
70°
9
91°
67°
10
89°
65°
11
87°
67°
12
89°
65°
13
86°
64°
14
85°
63°
15
86°
64°
16
85°
64°
17
86°
63°
18
89°
68°
19
86°
67°
20
88°
67°
21
Hist. Avg.
88°
64°
22
Hist. Avg.
87°
64°
23
Hist. Avg.
87°
63°
24
Hist. Avg.
87°
63°
25
Hist. Avg.
86°
62°
26
Hist. Avg.
86°
62°
27
Hist. Avg.
86°
62°
28
Hist. Avg.
85°
61°
29
Hist. Avg.
85°
61°
30
Hist. Avg.
85°
60°
1
Hist. Avg.
84°
60°
2
Hist. Avg.
84°
60°
3
Hist. Avg.
84°
59°
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 94°, with overnight lows between 63° and 73°. The average high for September is 89° with an average low of 68°. 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.
