S
M
T
W
T
F
S
30
74°
55°
31
77°
57°
1
80°
53°
2
73°
52°
3
72°
54°
4
76°
61°
5
75°
60°
6
79°
53°
7
74°
58°
8
72°
59°
9
71°
58°
10
78°
58°
11
74°
58°
12
73°
59°
13
70°
55°
14
70°
51°
15
67°
50°
16
68°
49°
17
68°
56°
18
71°
55°
19
75°
56°
20
77°
57°
21
71°
51°
22
73°
52°
23
66°
54°
24
70°
48°
25
69°
46°
26
64°
46°
27
Hist. Avg.
68°
50°
28
Hist. Avg.
68°
50°
29
Hist. Avg.
68°
49°
30
Hist. Avg.
67°
49°
1
Hist. Avg.
67°
48°
2
Hist. Avg.
66°
48°
3
Hist. Avg.
66°
48°
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 64° to 80°, with overnight lows between 46° and 61°. The average high for September is 72° with an average low of 54°. 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.
