S
M
T
W
T
F
S
30
64°
52°
31
63°
51°
1
62°
51°
2
63°
53°
3
63°
54°
4
64°
55°
5
62°
54°
6
63°
53°
7
61°
51°
8
60°
50°
9
61°
50°
10
62°
55°
11
62°
52°
12
61°
51°
13
65°
50°
14
64°
55°
15
64°
54°
16
61°
50°
17
62°
49°
18
64°
52°
19
66°
55°
20
63°
55°
21
65°
56°
22
65°
54°
23
64°
50°
24
62°
49°
25
60°
53°
26
62°
46°
27
64°
45°
28
56°
46°
29
56°
46°
30
55°
45°
1
Hist. Avg.
63°
47°
2
Hist. Avg.
63°
47°
3
Hist. Avg.
63°
46°
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 66°, with overnight lows between 45° and 56°. The average high for September is 62° with an average low of 51°. 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.
