S
M
T
W
T
F
S
30
68°
46°
31
73°
46°
1
65°
59°
2
62°
57°
3
62°
52°
4
62°
53°
5
65°
52°
6
68°
51°
7
66°
51°
8
69°
52°
9
72°
54°
10
74°
51°
11
72°
53°
12
71°
52°
13
71°
50°
14
70°
48°
15
65°
50°
16
64°
50°
17
64°
47°
18
65°
46°
19
64°
51°
20
63°
48°
21
63°
44°
22
64°
45°
23
62°
44°
24
62°
44°
25
63°
46°
26
63°
45°
27
65°
51°
28
61°
50°
29
63°
48°
30
63°
49°
1
62°
48°
2
61°
43°
3
61°
45°
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 61° to 74°, with overnight lows between 43° and 59°. The average high for September is 65° 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.
