S
M
T
W
T
F
S
30
73°
56°
31
72°
56°
1
73°
60°
2
73°
63°
3
74°
64°
4
80°
64°
5
80°
63°
6
79°
56°
7
78°
56°
8
73°
57°
9
72°
55°
10
71°
55°
11
71°
57°
12
70°
56°
13
75°
58°
14
74°
60°
15
74°
60°
16
70°
59°
17
72°
58°
18
73°
59°
19
74°
52°
20
71°
55°
21
71°
52°
22
74°
50°
23
68°
50°
24
67°
51°
25
67°
53°
26
68°
50°
27
67°
52°
28
66°
52°
29
65°
48°
30
66°
48°
1
65°
54°
2
70°
50°
3
70°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in East Hampton North
East Hampton North's September 2026 forecast shows daily high temperatures ranging from 65° to 80°, with overnight lows between 48° and 64°. The average high for September is 72° with an average low of 55°. 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 East Hampton North. See also: October | November | December.