S
M
T
W
T
F
S
30
66°
55°
31
71°
54°
1
72°
50°
2
65°
49°
3
64°
51°
4
68°
58°
5
70°
58°
6
72°
52°
7
66°
53°
8
65°
55°
9
64°
57°
10
64°
56°
11
65°
54°
12
67°
55°
13
66°
54°
14
61°
48°
15
60°
47°
16
60°
45°
17
61°
52°
18
61°
53°
19
64°
55°
20
67°
54°
21
66°
49°
22
60°
44°
23
58°
50°
24
57°
49°
25
62°
44°
26
56°
49°
27
64°
50°
28
63°
50°
29
Hist. Avg.
66°
46°
30
Hist. Avg.
66°
46°
1
Hist. Avg.
65°
46°
2
Hist. Avg.
65°
45°
3
Hist. Avg.
64°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Otsego
Otsego's September 2026 forecast shows daily high temperatures ranging from 56° to 72°, with overnight lows between 44° and 58°. The average high for September is 64° 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 Otsego. See also: October | November | December.
