S
M
T
W
T
F
S
30
76°
60°
31
66°
60°
1
78°
65°
2
69°
64°
3
79°
64°
4
75°
62°
5
72°
58°
6
71°
54°
7
73°
51°
8
75°
52°
9
74°
66°
10
75°
54°
11
69°
49°
12
74°
60°
13
77°
58°
14
73°
64°
15
81°
62°
16
69°
55°
17
70°
53°
18
71°
50°
19
61°
46°
20
62°
48°
21
63°
47°
22
63°
54°
23
65°
52°
24
65°
53°
25
60°
43°
26
61°
47°
27
68°
52°
28
67°
47°
29
60°
41°
30
63°
52°
1
65°
48°
2
60°
45°
3
65°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Port Dickinson
Port Dickinson's September 2026 forecast shows daily high temperatures ranging from 60° to 81°, with overnight lows between 41° and 66°. 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 Dickinson. See also: October | November | December.
