S
M
T
W
T
F
S
30
79°
55°
31
79°
64°
1
86°
66°
2
70°
64°
3
88°
66°
4
84°
68°
5
77°
61°
6
77°
57°
7
79°
52°
8
81°
52°
9
84°
57°
10
86°
68°
11
79°
54°
12
79°
50°
13
82°
63°
14
73°
57°
15
73°
48°
16
79°
65°
17
79°
65°
18
82°
53°
19
70°
58°
20
67°
57°
21
68°
54°
22
65°
54°
23
68°
51°
24
70°
54°
25
73°
52°
26
75°
51°
27
75°
53°
28
72°
51°
29
74°
48°
30
68°
47°
1
67°
50°
2
73°
52°
3
64°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Rockaway
Rockaway's September 2026 forecast shows daily high temperatures ranging from 64° to 82°, with overnight lows between 47° and 65°. The average high for September is 72° with an average low of 54°. 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 Rockaway. See also: October | November | December.