S
M
T
W
T
F
S
30
95°
67°
31
96°
73°
1
97°
76°
2
96°
77°
3
96°
77°
4
98°
76°
5
99°
77°
6
101°
78°
7
97°
76°
8
100°
72°
9
99°
76°
10
99°
77°
11
87°
74°
12
99°
73°
13
97°
71°
14
99°
76°
15
98°
75°
16
99°
75°
17
99°
75°
18
99°
73°
19
100°
72°
20
99°
72°
21
95°
75°
22
91°
71°
23
86°
63°
24
82°
59°
25
85°
61°
26
86°
63°
27
89°
64°
28
87°
67°
29
90°
71°
30
88°
69°
1
76°
58°
2
80°
60°
3
82°
59°
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 76° to 90°, with overnight lows between 58° and 71°. The average high for September is 85° with an average low of 63°. 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.
