S
M
T
W
T
F
S
30
73°
53°
31
72°
53°
1
72°
58°
2
73°
62°
3
74°
61°
4
80°
62°
5
80°
59°
6
77°
53°
7
74°
52°
8
73°
52°
9
72°
51°
10
70°
51°
11
71°
52°
12
70°
51°
13
73°
56°
14
75°
57°
15
74°
56°
16
70°
53°
17
69°
54°
18
70°
56°
19
71°
48°
20
70°
50°
21
70°
48°
22
74°
47°
23
67°
46°
24
67°
47°
25
66°
53°
26
68°
46°
27
67°
52°
28
67°
52°
29
65°
44°
30
65°
47°
1
64°
52°
2
70°
49°
3
68°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Haverstraw
Haverstraw's September 2026 forecast shows daily high temperatures ranging from 64° to 80°, with overnight lows between 44° and 62°. The average high for September is 71° with an average low of 52°. 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 Haverstraw. See also: October | November | December.
