S
M
T
W
T
F
S
30
76°
43°
31
83°
50°
1
85°
52°
2
88°
52°
3
85°
51°
4
88°
52°
5
85°
56°
6
78°
51°
7
80°
50°
8
82°
48°
9
80°
48°
10
79°
51°
11
83°
46°
12
70°
48°
13
77°
49°
14
82°
51°
15
80°
50°
16
82°
50°
17
81°
49°
18
74°
45°
19
77°
48°
20
80°
49°
21
78°
48°
22
77°
48°
23
79°
47°
24
79°
48°
25
76°
47°
26
76°
48°
27
77°
47°
28
76°
47°
29
75°
46°
30
74°
47°
1
74°
46°
2
74°
45°
3
73°
45°
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 70° to 88°, with overnight lows between 43° and 56°. The average high for September is 79° 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 Sheridan. See also: October | November | December.
