S
M
T
W
T
F
S
30
76°
59°
31
75°
60°
1
80°
54°
2
74°
54°
3
75°
55°
4
74°
53°
5
74°
53°
6
76°
56°
7
77°
55°
8
75°
58°
9
79°
58°
10
73°
57°
11
76°
57°
12
78°
56°
13
78°
57°
14
77°
57°
15
78°
56°
16
77°
50°
17
75°
54°
18
69°
57°
19
75°
56°
20
77°
56°
21
76°
54°
22
74°
47°
23
72°
52°
24
67°
53°
25
68°
54°
26
Hist. Avg.
70°
53°
27
Hist. Avg.
70°
52°
28
Hist. Avg.
70°
52°
29
Hist. Avg.
69°
52°
30
Hist. Avg.
69°
51°
1
Hist. Avg.
69°
51°
2
Hist. Avg.
68°
50°
3
Hist. Avg.
68°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Nyack
Nyack's September 2026 forecast shows daily high temperatures ranging from 67° to 80°, with overnight lows between 47° and 60°. The average high for September is 75° with an average low of 55°. 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 Nyack. See also: October | November | December.
