S
M
T
W
T
F
S
30
78°
66°
31
78°
71°
1
82°
68°
2
76°
70°
3
83°
71°
4
86°
67°
5
78°
61°
6
77°
63°
7
77°
62°
8
78°
60°
9
80°
63°
10
81°
62°
11
79°
61°
12
80°
62°
13
78°
61°
14
77°
60°
15
73°
59°
16
73°
64°
17
75°
57°
18
72°
55°
19
71°
55°
20
72°
58°
21
76°
62°
22
79°
63°
23
80°
63°
24
79°
60°
25
77°
58°
26
77°
60°
27
78°
61°
28
78°
61°
29
77°
58°
30
71°
53°
1
67°
52°
2
70°
57°
3
75°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Elmont
Elmont's September 2026 forecast shows daily high temperatures ranging from 67° to 86°, with overnight lows between 52° and 71°. The average high for September is 77° with an average low of 61°. 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 Elmont. See also: October | November | December.