S
M
T
W
T
F
S
30
82°
62°
31
81°
61°
1
82°
60°
2
80°
59°
3
79°
58°
4
80°
60°
5
80°
62°
6
79°
65°
7
85°
59°
8
81°
61°
9
83°
66°
10
85°
66°
11
85°
65°
12
84°
59°
13
85°
59°
14
77°
64°
15
81°
64°
16
81°
63°
17
85°
60°
18
83°
55°
19
76°
62°
20
78°
54°
21
82°
53°
22
73°
51°
23
72°
52°
24
Hist. Avg.
77°
55°
25
Hist. Avg.
77°
55°
26
Hist. Avg.
76°
54°
27
Hist. Avg.
76°
54°
28
Hist. Avg.
76°
53°
29
Hist. Avg.
75°
53°
30
Hist. Avg.
75°
53°
1
Hist. Avg.
74°
52°
2
Hist. Avg.
74°
52°
3
Hist. Avg.
74°
52°
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 72° to 85°, with overnight lows between 51° and 66°. The average high for September is 81° 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.
