S
M
T
W
T
F
S
30
75°
62°
31
75°
63°
1
76°
62°
2
74°
58°
3
66°
55°
4
65°
56°
5
71°
57°
6
68°
51°
7
67°
59°
8
72°
59°
9
74°
60°
10
73°
52°
11
71°
49°
12
66°
57°
13
73°
59°
14
72°
58°
15
72°
58°
16
73°
57°
17
73°
58°
18
72°
58°
19
72°
56°
20
71°
49°
21
68°
48°
22
62°
54°
23
63°
55°
24
66°
55°
25
69°
51°
26
69°
45°
27
61°
46°
28
58°
45°
29
59°
44°
30
59°
48°
1
61°
51°
2
64°
53°
3
65°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Goderich
Goderich's September 2026 forecast shows daily high temperatures ranging from 58° to 76°, with overnight lows between 44° and 63°. The average high for September is 68° with an average low of 54°. 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 Goderich. See also: October | November | December.
