S
M
T
W
T
F
S
30
87°
65°
31
88°
69°
1
89°
69°
2
85°
62°
3
84°
60°
4
82°
59°
5
83°
60°
6
84°
64°
7
85°
64°
8
85°
66°
9
88°
67°
10
86°
60°
11
86°
59°
12
83°
66°
13
85°
57°
14
84°
57°
15
81°
56°
16
82°
57°
17
81°
56°
18
82°
57°
19
84°
57°
20
84°
58°
21
86°
62°
22
86°
62°
23
78°
61°
24
81°
60°
25
79°
58°
26
84°
59°
27
85°
58°
28
84°
59°
29
84°
59°
30
85°
58°
1
85°
59°
2
84°
53°
3
84°
49°
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 78° to 89°, with overnight lows between 49° and 69°. The average high for September is 84° 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 Wooster. See also: October | November | December.