S
M
T
W
T
F
S
30
92°
71°
31
91°
71°
1
88°
70°
2
89°
71°
3
91°
71°
4
91°
70°
5
92°
69°
6
91°
70°
7
89°
70°
8
91°
69°
9
91°
70°
10
90°
70°
11
90°
69°
12
89°
68°
13
85°
68°
14
83°
67°
15
86°
67°
16
89°
66°
17
88°
67°
18
86°
66°
19
88°
65°
20
87°
66°
21
87°
61°
22
86°
62°
23
87°
60°
24
84°
55°
25
86°
54°
26
85°
63°
27
89°
62°
28
88°
62°
29
87°
61°
30
81°
61°
1
78°
60°
2
83°
59°
3
86°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Sheridan
Sheridan's September 2026 forecast shows daily high temperatures ranging from 78° to 92°, with overnight lows between 54° and 71°. The average high for September is 88° with an average low of 65°. 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 Sheridan. See also: October | November | December.
