S
M
T
W
T
F
S
30
71°
62°
31
76°
65°
1
81°
68°
2
78°
61°
3
75°
54°
4
74°
52°
5
71°
51°
6
72°
51°
7
75°
48°
8
76°
52°
9
73°
64°
10
68°
56°
11
70°
42°
12
80°
52°
13
N/A
14
64°
52°
15
71°
57°
16
71°
54°
17
68°
53°
18
69°
53°
19
64°
53°
20
64°
52°
21
67°
50°
22
64°
51°
23
67°
51°
24
68°
52°
25
65°
53°
26
67°
54°
27
69°
52°
28
68°
51°
29
65°
50°
30
64°
51°
1
64°
51°
2
67°
50°
3
64°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Port Elgin
Port Elgin's September 2026 forecast shows daily high temperatures ranging from 64° to 71°, with overnight lows between 50° and 57°. The average high for September is 67° with an average low of 52°. 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 Port Elgin. See also: October | November | December.