S
M
T
W
T
F
S
30
88°
62°
31
87°
65°
1
87°
62°
2
88°
64°
3
86°
64°
4
86°
63°
5
85°
63°
6
85°
62°
7
84°
62°
8
84°
63°
9
83°
62°
10
83°
62°
11
85°
61°
12
85°
62°
13
84°
63°
14
85°
62°
15
83°
62°
16
83°
61°
17
82°
61°
18
80°
59°
19
78°
51°
20
74°
56°
21
74°
59°
22
75°
51°
23
74°
51°
24
72°
52°
25
74°
57°
26
77°
55°
27
72°
52°
28
72°
50°
29
70°
50°
30
70°
51°
1
71°
57°
2
72°
55°
3
72°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Piscataway Township
Piscataway Township's September 2026 forecast shows daily high temperatures ranging from 70° to 88°, with overnight lows between 47° and 65°. The average high for September is 80° with an average low of 58°. 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 Piscataway Township. See also: October | November | December.
