S
M
T
W
T
F
S
30
80°
56°
31
78°
56°
1
78°
52°
2
77°
51°
3
78°
48°
4
78°
48°
5
76°
46°
6
67°
45°
7
67°
48°
8
68°
53°
9
66°
51°
10
66°
49°
11
67°
43°
12
65°
48°
13
66°
52°
14
65°
48°
15
64°
46°
16
63°
44°
17
65°
47°
18
69°
49°
19
73°
46°
20
73°
45°
21
69°
42°
22
63°
41°
23
63°
44°
24
64°
42°
25
61°
41°
26
62°
42°
27
62°
46°
28
63°
45°
29
61°
43°
30
60°
42°
1
61°
46°
2
65°
49°
3
68°
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 60° to 80°, with overnight lows between 41° and 56°. The average high for September is 68° with an average low of 47°. 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.
