S
M
T
W
T
F
S
30
75°
62°
31
75°
60°
1
74°
58°
2
68°
57°
3
68°
58°
4
69°
56°
5
69°
57°
6
72°
60°
7
75°
59°
8
68°
59°
9
68°
58°
10
71°
59°
11
74°
59°
12
73°
58°
13
74°
59°
14
75°
48°
15
67°
46°
16
64°
49°
17
66°
48°
18
64°
46°
19
63°
51°
20
63°
49°
21
67°
54°
22
69°
54°
23
71°
47°
24
69°
44°
25
62°
48°
26
63°
50°
27
68°
52°
28
68°
52°
29
67°
46°
30
65°
43°
1
61°
43°
2
59°
49°
3
65°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Rockport
Rockport's September 2026 forecast shows daily high temperatures ranging from 59° to 75°, with overnight lows between 42° and 62°. The average high for September is 68° with an average low of 53°. 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 Rockport. See also: October | November | December.
