S
M
T
W
T
F
S
30
79°
52°
31
75°
50°
1
72°
52°
2
72°
51°
3
74°
51°
4
74°
50°
5
71°
51°
6
71°
57°
7
72°
52°
8
72°
51°
9
73°
49°
10
71°
49°
11
70°
50°
12
69°
49°
13
71°
50°
14
70°
49°
15
72°
54°
16
74°
51°
17
75°
50°
18
75°
46°
19
69°
51°
20
70°
45°
21
Hist. Avg.
72°
50°
22
Hist. Avg.
72°
50°
23
Hist. Avg.
72°
50°
24
Hist. Avg.
71°
49°
25
Hist. Avg.
71°
49°
26
Hist. Avg.
70°
49°
27
Hist. Avg.
70°
48°
28
Hist. Avg.
69°
48°
29
Hist. Avg.
69°
48°
30
Hist. Avg.
68°
47°
1
Hist. Avg.
68°
47°
2
Hist. Avg.
68°
46°
3
Hist. Avg.
67°
46°
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 69° to 79°, with overnight lows between 45° and 57°. 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.
