S
M
T
W
T
F
S
30
77°
62°
31
78°
61°
1
74°
58°
2
74°
58°
3
75°
57°
4
75°
58°
5
76°
56°
6
71°
52°
7
76°
58°
8
76°
55°
9
74°
59°
10
76°
57°
11
72°
55°
12
74°
57°
13
77°
54°
14
72°
51°
15
73°
51°
16
74°
55°
17
72°
56°
18
77°
50°
19
76°
48°
20
68°
47°
21
71°
54°
22
76°
55°
23
76°
52°
24
75°
48°
25
67°
49°
26
66°
46°
27
66°
45°
28
65°
46°
29
66°
45°
30
67°
46°
1
66°
47°
2
69°
44°
3
62°
43°
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 62° to 78°, with overnight lows between 43° and 62°. The average high for September is 72° 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 Peekskill. See also: October | November | December.
