S
M
T
W
T
F
S
30
80°
52°
31
76°
66°
1
77°
66°
2
73°
65°
3
83°
70°
4
84°
63°
5
79°
59°
6
72°
52°
7
79°
47°
8
80°
52°
9
79°
55°
10
86°
66°
11
77°
53°
12
76°
48°
13
75°
66°
14
76°
53°
15
70°
54°
16
77°
62°
17
80°
68°
18
78°
61°
19
73°
59°
20
72°
56°
21
69°
57°
22
68°
55°
23
68°
57°
24
69°
56°
25
71°
55°
26
72°
51°
27
67°
57°
28
73°
57°
29
73°
54°
30
67°
52°
1
65°
51°
2
68°
55°
3
72°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Cutchogue
Cutchogue's September 2026 forecast shows daily high temperatures ranging from 65° to 80°, with overnight lows between 51° and 68°. The average high for September is 72° with an average low of 57°. 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 Cutchogue. See also: October | November | December.
