S
M
T
W
T
F
S
30
71°
50°
31
70°
50°
1
70°
56°
2
71°
59°
3
72°
58°
4
78°
59°
5
78°
57°
6
75°
50°
7
72°
50°
8
71°
49°
9
70°
48°
10
68°
48°
11
69°
49°
12
68°
49°
13
71°
53°
14
73°
55°
15
72°
53°
16
67°
50°
17
68°
51°
18
69°
53°
19
69°
45°
20
68°
48°
21
68°
45°
22
72°
44°
23
65°
43°
24
65°
44°
25
66°
50°
26
66°
43°
27
65°
49°
28
65°
49°
29
63°
41°
30
63°
44°
1
62°
49°
2
68°
46°
3
66°
42°
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 62° to 78°, with overnight lows between 41° and 59°. The average high for September is 69° with an average low of 49°. 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.
