S
M
T
W
T
F
S
30
76°
57°
31
79°
61°
1
82°
61°
2
82°
60°
3
81°
53°
4
80°
51°
5
74°
52°
6
74°
58°
7
75°
58°
8
80°
57°
9
79°
58°
10
75°
57°
11
79°
56°
12
79°
57°
13
78°
57°
14
77°
56°
15
79°
57°
16
80°
53°
17
77°
56°
18
75°
50°
19
76°
49°
20
71°
47°
21
69°
46°
22
68°
53°
23
69°
50°
24
73°
46°
25
67°
45°
26
67°
45°
27
69°
47°
28
73°
51°
29
72°
49°
30
73°
48°
1
67°
51°
2
67°
43°
3
66°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Peekskill
Peekskill's September 2026 forecast shows daily high temperatures ranging from 66° to 82°, with overnight lows between 43° and 61°. The average high for September is 75° with an average low of 53°. 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 Peekskill. See also: October | November | December.
