S
M
T
W
T
F
S
30
81°
53°
31
75°
50°
1
73°
50°
2
72°
51°
3
72°
49°
4
73°
50°
5
72°
50°
6
71°
51°
7
72°
55°
8
74°
55°
9
71°
50°
10
71°
50°
11
72°
51°
12
70°
49°
13
71°
52°
14
70°
53°
15
69°
50°
16
69°
47°
17
67°
46°
18
68°
47°
19
72°
50°
20
Hist. Avg.
69°
47°
21
Hist. Avg.
69°
47°
22
Hist. Avg.
68°
47°
23
Hist. Avg.
68°
46°
24
Hist. Avg.
68°
46°
25
Hist. Avg.
67°
46°
26
Hist. Avg.
67°
45°
27
Hist. Avg.
66°
45°
28
Hist. Avg.
66°
44°
29
Hist. Avg.
66°
44°
30
Hist. Avg.
65°
44°
1
Hist. Avg.
65°
43°
2
Hist. Avg.
64°
43°
3
Hist. Avg.
64°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Otisco Valley
Otisco Valley's September 2026 forecast shows daily high temperatures ranging from 67° to 81°, with overnight lows between 46° and 55°. The average high for September is 72° 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 Otisco Valley. See also: October | November | December.
