S
M
T
W
T
F
S
31
86°
68°
1
90°
67°
2
93°
66°
3
93°
67°
4
98°
66°
5
83°
69°
6
79°
66°
7
90°
64°
8
94°
68°
9
99°
66°
10
97°
64°
11
95°
62°
12
94°
66°
13
85°
69°
14
91°
66°
15
93°
67°
16
90°
65°
17
90°
64°
18
89°
63°
19
89°
66°
20
92°
65°
21
96°
64°
22
98°
62°
23
92°
68°
24
81°
64°
25
85°
56°
26
92°
58°
27
87°
68°
28
74°
63°
29
82°
61°
30
87°
57°
1
92°
59°
2
94°
59°
3
92°
60°
4
91°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Otis
Otis's September 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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.
