S
M
T
W
T
F
S
30
83°
68°
31
87°
70°
1
93°
70°
2
93°
73°
3
85°
71°
4
90°
70°
5
79°
65°
6
78°
62°
7
80°
63°
8
86°
70°
9
85°
63°
10
77°
60°
11
74°
61°
12
78°
63°
13
82°
64°
14
77°
60°
15
78°
59°
16
79°
60°
17
73°
54°
18
69°
59°
19
74°
59°
20
74°
58°
21
73°
59°
22
72°
57°
23
69°
56°
24
70°
54°
25
73°
56°
26
73°
52°
27
63°
47°
28
61°
45°
29
62°
47°
30
61°
45°
1
60°
47°
2
64°
53°
3
63°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lindenhurst
Lindenhurst's September 2026 forecast shows daily high temperatures ranging from 60° to 86°, with overnight lows between 45° and 70°. The average high for September is 73° 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 Lindenhurst. See also: October | November | December.
