S
M
T
W
T
F
S
30
82°
63°
31
83°
63°
1
85°
64°
2
84°
62°
3
81°
61°
4
81°
61°
5
84°
62°
6
85°
62°
7
85°
61°
8
86°
63°
9
85°
62°
10
83°
60°
11
84°
62°
12
85°
62°
13
86°
61°
14
77°
49°
15
73°
55°
16
74°
58°
17
73°
53°
18
83°
59°
19
83°
57°
20
82°
53°
21
77°
49°
22
70°
52°
23
68°
55°
24
70°
54°
25
70°
55°
26
76°
55°
27
79°
56°
28
80°
55°
29
80°
55°
30
79°
49°
1
78°
43°
2
71°
41°
3
64°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Royal
Royal's September 2026 forecast shows daily high temperatures ranging from 64° to 86°, with overnight lows between 41° and 64°. The average high for September is 79° with an average low of 56°. 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 Royal. See also: October | November | December.
