S
M
T
W
T
F
S
30
76°
48°
31
77°
51°
1
81°
57°
2
85°
58°
3
83°
56°
4
75°
48°
5
75°
48°
6
76°
52°
7
76°
48°
8
77°
52°
9
76°
52°
10
76°
48°
11
75°
48°
12
76°
53°
13
76°
47°
14
73°
45°
15
72°
47°
16
73°
48°
17
74°
51°
18
75°
54°
19
80°
51°
20
81°
46°
21
75°
48°
22
72°
46°
23
69°
45°
24
70°
46°
25
68°
43°
26
69°
44°
27
69°
50°
28
71°
52°
29
76°
47°
30
67°
44°
1
75°
52°
2
Hist. Avg.
71°
47°
3
Hist. Avg.
70°
47°
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 67° to 85°, with overnight lows between 43° and 58°. The average high for September is 75° 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.
