S
M
T
W
T
F
S
30
82°
69°
31
78°
71°
1
80°
68°
2
74°
67°
3
88°
69°
4
86°
75°
5
80°
70°
6
77°
66°
7
79°
66°
8
80°
67°
9
84°
71°
10
87°
72°
11
80°
64°
12
80°
69°
13
82°
68°
14
78°
57°
15
74°
65°
16
77°
64°
17
82°
63°
18
81°
62°
19
75°
56°
20
73°
58°
21
71°
57°
22
73°
56°
23
73°
58°
24
77°
57°
25
68°
52°
26
69°
53°
27
73°
60°
28
77°
57°
29
70°
52°
30
72°
59°
1
72°
57°
2
68°
53°
3
71°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Great Neck
Great Neck's September 2026 forecast shows daily high temperatures ranging from 68° to 82°, with overnight lows between 52° and 69°. The average high for September is 75° 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 Great Neck. See also: October | November | December.
