S
M
T
W
T
F
S
30
82°
62°
31
80°
63°
1
81°
62°
2
80°
59°
3
79°
61°
4
81°
60°
5
79°
58°
6
76°
57°
7
77°
56°
8
78°
57°
9
78°
58°
10
80°
56°
11
76°
57°
12
77°
61°
13
78°
56°
14
80°
62°
15
83°
63°
16
79°
62°
17
78°
61°
18
82°
62°
19
81°
61°
20
80°
62°
21
77°
61°
22
73°
60°
23
72°
58°
24
72°
59°
25
71°
59°
26
79°
58°
27
79°
50°
28
68°
48°
29
68°
48°
30
69°
57°
1
76°
53°
2
70°
46°
3
71°
43°
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 68° to 83°, with overnight lows between 43° and 63°. The average high for September is 77° 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.
