S
M
T
W
T
F
S
30
76°
51°
31
73°
49°
1
67°
56°
2
62°
60°
3
64°
62°
4
70°
60°
5
65°
55°
6
65°
52°
7
68°
55°
8
67°
54°
9
64°
55°
10
65°
55°
11
64°
55°
12
65°
56°
13
64°
55°
14
65°
53°
15
61°
57°
16
63°
58°
17
66°
57°
18
59°
55°
19
59°
51°
20
60°
56°
21
65°
57°
22
67°
57°
23
66°
56°
24
66°
56°
25
65°
55°
26
65°
56°
27
66°
55°
28
65°
54°
29
64°
52°
30
56°
49°
1
55°
47°
2
55°
54°
3
63°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Port Clyde
Port Clyde's September 2026 forecast shows daily high temperatures ranging from 55° to 70°, with overnight lows between 47° and 62°. The average high for September is 64° with an average low of 55°. 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 Clyde. See also: October | November | December.
