S
M
T
W
T
F
S
30
82°
70°
31
80°
69°
1
81°
66°
2
74°
62°
3
73°
63°
4
73°
61°
5
74°
61°
6
76°
67°
7
80°
67°
8
78°
66°
9
74°
67°
10
77°
67°
11
79°
66°
12
79°
67°
13
78°
67°
14
78°
57°
15
71°
57°
16
68°
58°
17
71°
57°
18
69°
55°
19
68°
56°
20
69°
57°
21
75°
59°
22
74°
61°
23
75°
54°
24
74°
53°
25
69°
52°
26
67°
54°
27
71°
59°
28
71°
59°
29
72°
51°
30
68°
51°
1
65°
56°
2
66°
56°
3
69°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Patchogue
Patchogue's September 2026 forecast shows daily high temperatures ranging from 65° to 82°, with overnight lows between 51° and 70°. The average high for September is 73° with an average low of 60°. 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 Patchogue. See also: October | November | December.
