S
M
T
W
T
F
S
30
87°
64°
31
90°
71°
1
92°
69°
2
94°
70°
3
92°
68°
4
89°
69°
5
83°
62°
6
81°
60°
7
81°
58°
8
80°
55°
9
79°
54°
10
83°
60°
11
80°
55°
12
79°
53°
13
79°
52°
14
78°
53°
15
82°
57°
16
80°
58°
17
81°
57°
18
78°
55°
19
81°
56°
20
81°
57°
21
80°
57°
22
81°
56°
23
81°
57°
24
80°
56°
25
81°
55°
26
79°
54°
27
80°
55°
28
79°
54°
29
78°
53°
30
78°
52°
1
77°
52°
2
77°
51°
3
76°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Canal Winchester
Canal Winchester's September 2026 forecast shows daily high temperatures ranging from 76° to 94°, with overnight lows between 51° and 70°. The average high for September is 81° with an average low of 57°. 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 Canal Winchester. See also: October | November | December.