S
M
T
W
T
F
S
30
79°
55°
31
79°
64°
1
86°
66°
2
70°
64°
3
88°
66°
4
84°
68°
5
77°
61°
6
77°
57°
7
79°
52°
8
81°
52°
9
84°
57°
10
81°
63°
11
77°
53°
12
77°
66°
13
80°
60°
14
76°
48°
15
74°
55°
16
81°
60°
17
81°
60°
18
77°
52°
19
71°
48°
20
70°
55°
21
74°
52°
22
68°
52°
23
70°
49°
24
68°
53°
25
65°
44°
26
65°
47°
27
71°
53°
28
73°
50°
29
67°
44°
30
68°
52°
1
69°
49°
2
65°
45°
3
67°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Picatinny Arsenal
Picatinny Arsenal's September 2026 forecast shows daily high temperatures ranging from 65° to 81°, with overnight lows between 44° and 66°. The average high for September is 72° 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 Picatinny Arsenal. See also: October | November | December.
