S
M
T
W
T
F
S
30
70°
47°
31
69°
47°
1
69°
50°
2
70°
50°
3
70°
53°
4
71°
52°
5
70°
48°
6
69°
50°
7
69°
47°
8
70°
46°
9
70°
51°
10
71°
47°
11
66°
46°
12
72°
46°
13
72°
53°
14
74°
49°
15
71°
52°
16
74°
52°
17
73°
53°
18
74°
52°
19
74°
51°
20
73°
50°
21
68°
50°
22
66°
47°
23
66°
46°
24
65°
44°
25
61°
43°
26
69°
40°
27
68°
42°
28
58°
41°
29
58°
43°
30
60°
42°
1
60°
38°
2
59°
37°
3
Hist. Avg.
62°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Wasaga Beach
Wasaga Beach's September 2026 forecast shows daily high temperatures ranging from 58° to 74°, with overnight lows between 37° and 53°. The average high for September is 68° with an average low of 47°. 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 Wasaga Beach. See also: October | November | December.
