S
M
T
W
T
F
S
30
79°
57°
31
86°
67°
1
89°
71°
2
92°
72°
3
88°
68°
4
80°
65°
5
77°
58°
6
78°
59°
7
78°
58°
8
71°
56°
9
73°
57°
10
78°
59°
11
75°
57°
12
74°
56°
13
75°
53°
14
74°
63°
15
79°
57°
16
78°
57°
17
78°
56°
18
73°
53°
19
77°
56°
20
79°
57°
21
79°
57°
22
78°
56°
23
79°
56°
24
79°
55°
25
78°
54°
26
76°
53°
27
77°
54°
28
77°
54°
29
76°
53°
30
74°
52°
1
74°
51°
2
73°
52°
3
75°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Wooster
Wooster's September 2026 forecast shows daily high temperatures ranging from 71° to 92°, with overnight lows between 51° and 72°. The average high for September is 78° 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 Wooster. See also: October | November | December.