S
M
T
W
T
F
S
30
85°
58°
31
87°
58°
1
87°
56°
2
86°
58°
3
85°
58°
4
85°
57°
5
84°
56°
6
85°
54°
7
84°
54°
8
77°
53°
9
76°
51°
10
81°
53°
11
77°
56°
12
84°
57°
13
85°
48°
14
85°
46°
15
76°
46°
16
73°
47°
17
75°
52°
18
76°
50°
19
74°
47°
20
74°
49°
21
76°
52°
22
81°
51°
23
82°
53°
24
80°
53°
25
79°
52°
26
79°
52°
27
80°
51°
28
79°
48°
29
77°
49°
30
73°
48°
1
72°
49°
2
72°
49°
3
70°
48°
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 70° to 87°, with overnight lows between 46° and 58°. The average high for September is 79° with an average low of 52°. 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.
