S
M
T
W
T
F
S
30
79°
61°
31
80°
63°
1
82°
60°
2
79°
55°
3
78°
53°
4
76°
55°
5
77°
56°
6
79°
56°
7
82°
60°
8
84°
62°
9
85°
57°
10
79°
54°
11
77°
61°
12
79°
59°
13
81°
52°
14
76°
51°
15
74°
50°
16
76°
52°
17
75°
59°
18
81°
50°
19
75°
58°
20
77°
55°
21
81°
57°
22
77°
58°
23
80°
58°
24
74°
57°
25
79°
57°
26
79°
56°
27
80°
56°
28
80°
55°
29
79°
55°
30
80°
56°
1
79°
53°
2
79°
46°
3
77°
45°
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 74° to 85°, with overnight lows between 45° and 63°. The average high for September is 79° with an average low of 56°. 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.
