S
M
T
W
T
F
S
30
80°
54°
31
77°
64°
1
87°
68°
2
70°
66°
3
88°
67°
4
87°
68°
5
81°
62°
6
80°
58°
7
80°
52°
8
82°
51°
9
85°
56°
10
87°
67°
11
82°
55°
12
82°
50°
13
83°
64°
14
N/A
15
75°
50°
16
81°
60°
17
84°
64°
18
83°
56°
19
77°
60°
20
80°
57°
21
73°
56°
22
68°
52°
23
71°
53°
24
71°
52°
25
73°
52°
26
72°
53°
27
74°
54°
28
76°
53°
29
76°
51°
30
70°
47°
1
68°
50°
2
70°
52°
3
74°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Peapack
Peapack's September 2026 forecast shows daily high temperatures ranging from 68° to 84°, with overnight lows between 47° and 64°. The average high for September is 75° with an average low of 54°. 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 Peapack. See also: October | November | December.
