S
M
T
W
T
F
S
30
78°
61°
31
82°
62°
1
87°
66°
2
78°
61°
3
81°
63°
4
79°
62°
5
81°
59°
6
78°
60°
7
79°
62°
8
80°
61°
9
81°
59°
10
80°
54°
11
84°
53°
12
79°
54°
13
83°
56°
14
80°
52°
15
74°
49°
16
79°
51°
17
82°
58°
18
81°
52°
19
72°
47°
20
67°
47°
21
68°
45°
22
67°
43°
23
68°
44°
24
71°
50°
25
76°
48°
26
75°
53°
27
70°
50°
28
66°
47°
29
67°
48°
30
68°
45°
1
68°
46°
2
69°
45°
3
64°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Roy
Roy's September 2026 forecast shows daily high temperatures ranging from 64° to 87°, with overnight lows between 43° and 66°. The average high for September is 75° with an average low of 53°. 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 Roy. See also: October | November | December.
