S
M
T
W
T
F
S
30
74°
50°
31
78°
44°
1
77°
42°
2
72°
41°
3
71°
42°
4
73°
43°
5
73°
48°
6
78°
49°
7
79°
43°
8
72°
43°
9
71°
41°
10
71°
45°
11
72°
49°
12
78°
39°
13
71°
43°
14
72°
48°
15
79°
49°
16
80°
43°
17
78°
38°
18
67°
41°
19
71°
40°
20
74°
44°
21
74°
45°
22
76°
46°
23
75°
45°
24
75°
44°
25
65°
43°
26
70°
44°
27
73°
43°
28
73°
43°
29
72°
44°
30
73°
44°
1
73°
37°
2
63°
33°
3
62°
32°
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 62° to 80°, with overnight lows between 32° and 50°. The average high for September is 73° with an average low of 43°. 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.
