S
M
T
W
T
F
S
30
86°
58°
31
80°
57°
1
79°
57°
2
79°
58°
3
80°
62°
4
78°
56°
5
83°
56°
6
78°
55°
7
77°
54°
8
78°
55°
9
78°
55°
10
79°
61°
11
81°
60°
12
76°
58°
13
75°
60°
14
75°
52°
15
73°
51°
16
Hist. Avg.
77°
54°
17
Hist. Avg.
76°
53°
18
Hist. Avg.
76°
53°
19
Hist. Avg.
76°
52°
20
Hist. Avg.
75°
52°
21
Hist. Avg.
75°
52°
22
Hist. Avg.
74°
51°
23
Hist. Avg.
74°
51°
24
Hist. Avg.
74°
50°
25
Hist. Avg.
73°
50°
26
Hist. Avg.
73°
49°
27
Hist. Avg.
72°
49°
28
Hist. Avg.
72°
48°
29
Hist. Avg.
71°
48°
30
Hist. Avg.
71°
48°
1
Hist. Avg.
71°
47°
2
Hist. Avg.
70°
47°
3
Hist. Avg.
70°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Parsippany
Parsippany's September 2026 forecast shows daily high temperatures ranging from 73° to 86°, with overnight lows between 51° and 62°. The average high for September is 79° with an average low of 57°. 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 Parsippany. See also: October | November | December.
