S
M
T
W
T
F
S
30
82°
63°
31
79°
69°
1
84°
68°
2
72°
65°
3
88°
67°
4
85°
73°
5
80°
68°
6
78°
64°
7
80°
57°
8
81°
58°
9
82°
69°
10
86°
66°
11
78°
58°
12
79°
64°
13
79°
66°
14
78°
55°
15
77°
61°
16
79°
55°
17
72°
54°
18
69°
53°
19
65°
45°
20
66°
49°
21
67°
48°
22
67°
48°
23
64°
51°
24
64°
51°
25
62°
43°
26
62°
44°
27
66°
50°
28
70°
47°
29
63°
42°
30
65°
49°
1
66°
47°
2
61°
43°
3
65°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in River Vale Township
River Vale Township's September 2026 forecast shows daily high temperatures ranging from 61° to 86°, with overnight lows between 42° and 69°. The average high for September is 70° with an average low of 52°. 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 River Vale Township. See also: October | November | December.
