S
M
T
W
T
F
S
30
78°
60°
31
77°
60°
1
78°
55°
2
70°
52°
3
69°
52°
4
69°
51°
5
70°
51°
6
74°
55°
7
76°
58°
8
75°
57°
9
72°
56°
10
75°
58°
11
76°
57°
12
77°
57°
13
76°
58°
14
75°
48°
15
68°
48°
16
65°
47°
17
68°
48°
18
66°
46°
19
67°
47°
20
66°
47°
21
72°
48°
22
72°
52°
23
71°
45°
24
72°
44°
25
67°
43°
26
64°
46°
27
68°
51°
28
68°
51°
29
70°
42°
30
66°
43°
1
62°
48°
2
63°
48°
3
67°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Sloatsburg
Sloatsburg's September 2026 forecast shows daily high temperatures ranging from 62° to 78°, with overnight lows between 42° and 60°. The average high for September is 71° with an average low of 51°. 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 Sloatsburg. See also: October | November | December.
