S
M
T
W
T
F
S
30
74°
53°
31
74°
59°
1
68°
58°
2
67°
60°
3
76°
61°
4
77°
54°
5
73°
52°
6
70°
50°
7
71°
53°
8
72°
49°
9
72°
55°
10
74°
52°
11
72°
53°
12
70°
50°
13
70°
49°
14
69°
46°
15
66°
45°
16
66°
50°
17
70°
45°
18
64°
42°
19
64°
42°
20
66°
45°
21
70°
50°
22
72°
50°
23
73°
49°
24
72°
47°
25
70°
46°
26
70°
47°
27
71°
48°
28
71°
48°
29
70°
43°
30
61°
39°
1
59°
38°
2
61°
45°
3
68°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Otis
Otis's September 2026 forecast shows daily high temperatures ranging from 59° to 77°, with overnight lows between 38° and 61°. 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 Otis. See also: October | November | December.
