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
86°
68°
11
79°
54°
12
79°
50°
13
82°
63°
14
73°
57°
15
73°
48°
16
81°
54°
17
82°
64°
18
N/A
19
70°
58°
20
67°
55°
21
68°
49°
22
61°
47°
23
64°
49°
24
63°
51°
25
66°
51°
26
68°
48°
27
69°
48°
28
72°
49°
29
72°
48°
30
73°
49°
1
74°
48°
2
73°
52°
3
65°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Denville Township
Denville Township's September 2026 forecast shows daily high temperatures ranging from 61° to 74°, with overnight lows between 47° and 58°. The average high for September is 68° with an average low of 50°. 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 Denville Township. See also: October | November | December.
