S
M
T
W
T
F
S
30
81°
58°
31
84°
49°
1
75°
50°
2
74°
56°
3
73°
59°
4
80°
49°
5
82°
47°
6
72°
48°
7
72°
51°
8
73°
55°
9
71°
52°
10
71°
54°
11
70°
52°
12
70°
47°
13
69°
45°
14
68°
46°
15
69°
52°
16
67°
56°
17
75°
55°
18
77°
53°
19
77°
51°
20
72°
48°
21
73°
47°
22
68°
45°
23
64°
41°
24
66°
42°
25
66°
44°
26
67°
46°
27
Hist. Avg.
65°
43°
28
Hist. Avg.
65°
43°
29
Hist. Avg.
64°
42°
30
Hist. Avg.
64°
42°
1
Hist. Avg.
64°
42°
2
Hist. Avg.
63°
41°
3
Hist. Avg.
63°
41°
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 64° to 84°, with overnight lows between 41° and 59°. 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 Otsego. See also: October | November | December.
