S
M
T
W
T
F
S
30
79°
62°
31
77°
68°
1
78°
66°
2
75°
65°
3
85°
70°
4
84°
70°
5
80°
66°
6
73°
60°
7
79°
56°
8
80°
61°
9
79°
62°
10
86°
70°
11
78°
62°
12
76°
57°
13
79°
68°
14
73°
59°
15
71°
52°
16
74°
66°
17
78°
70°
18
82°
58°
19
69°
60°
20
68°
63°
21
69°
62°
22
64°
60°
23
69°
61°
24
72°
60°
25
70°
58°
26
71°
59°
27
69°
58°
28
68°
57°
29
69°
55°
30
67°
55°
1
65°
54°
2
71°
59°
3
64°
58°
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 64° to 82°, with overnight lows between 54° and 70°. The average high for September is 70° 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.
