S
M
T
W
T
F
S
30
81°
59°
31
82°
63°
1
85°
64°
2
85°
64°
3
84°
61°
4
83°
64°
5
84°
62°
6
81°
63°
7
79°
61°
8
78°
62°
9
83°
57°
10
81°
56°
11
77°
62°
12
82°
61°
13
83°
61°
14
78°
60°
15
83°
61°
16
76°
58°
17
80°
54°
18
75°
59°
19
Hist. Avg.
77°
56°
20
Hist. Avg.
76°
56°
21
Hist. Avg.
76°
56°
22
Hist. Avg.
76°
55°
23
Hist. Avg.
75°
55°
24
Hist. Avg.
75°
54°
25
Hist. Avg.
74°
54°
26
Hist. Avg.
74°
53°
27
Hist. Avg.
74°
53°
28
Hist. Avg.
73°
52°
29
Hist. Avg.
73°
52°
30
Hist. Avg.
72°
52°
1
Hist. Avg.
72°
51°
2
Hist. Avg.
72°
51°
3
Hist. Avg.
71°
50°
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 75° to 85°, with overnight lows between 54° and 64°. The average high for September is 81° with an average low of 61°. 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.
