S
M
T
W
T
F
S
30
78°
58°
31
77°
49°
1
72°
47°
2
70°
49°
3
71°
53°
4
73°
56°
5
78°
47°
6
74°
46°
7
69°
46°
8
70°
54°
9
71°
54°
10
71°
48°
11
69°
52°
12
67°
49°
13
68°
45°
14
66°
44°
15
66°
45°
16
67°
52°
17
66°
52°
18
73°
53°
19
74°
49°
20
73°
50°
21
71°
45°
22
65°
44°
23
63°
42°
24
62°
40°
25
63°
42°
26
Hist. Avg.
67°
43°
27
Hist. Avg.
66°
43°
28
Hist. Avg.
66°
43°
29
Hist. Avg.
66°
42°
30
Hist. Avg.
65°
42°
1
Hist. Avg.
65°
41°
2
Hist. Avg.
64°
41°
3
Hist. Avg.
64°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Sheridan
Sheridan's September 2026 forecast shows daily high temperatures ranging from 62° to 78°, with overnight lows between 40° and 58°. The average high for September is 70° 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.
