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
78°
65°
6
76°
61°
7
80°
63°
8
86°
70°
9
88°
60°
10
77°
60°
11
79°
61°
12
78°
63°
13
79°
62°
14
74°
60°
15
78°
63°
16
76°
60°
17
75°
59°
18
72°
53°
19
74°
59°
20
74°
58°
21
71°
58°
22
67°
57°
23
69°
57°
24
74°
56°
25
75°
58°
26
74°
57°
27
74°
58°
28
75°
58°
29
75°
57°
30
74°
57°
1
72°
52°
2
67°
46°
3
60°
43°
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 88°, with overnight lows between 43° and 70°. The average high for September is 75° with an average low of 58°. 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.
