S
M
T
W
T
F
S
30
79°
58°
31
77°
67°
1
78°
66°
2
75°
67°
3
82°
68°
4
84°
63°
5
79°
61°
6
75°
58°
7
75°
63°
8
78°
66°
9
76°
63°
10
81°
64°
11
79°
62°
12
77°
61°
13
77°
65°
14
73°
61°
15
76°
68°
16
71°
61°
17
74°
56°
18
69°
53°
19
76°
58°
20
76°
58°
21
72°
56°
22
71°
56°
23
71°
59°
24
74°
57°
25
71°
55°
26
72°
59°
27
74°
58°
28
73°
53°
29
65°
51°
30
66°
52°
1
65°
49°
2
64°
52°
3
63°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in East Moriches
East Moriches's September 2026 forecast shows daily high temperatures ranging from 63° to 84°, with overnight lows between 49° and 68°. The average high for September is 74° with an average low of 59°. 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 Moriches. See also: October | November | December.
