S
M
T
W
T
F
S
30
95°
74°
31
95°
73°
1
94°
72°
2
94°
73°
3
93°
73°
4
94°
72°
5
93°
72°
6
93°
71°
7
92°
71°
8
93°
70°
9
93°
72°
10
94°
72°
11
94°
71°
12
93°
72°
13
93°
71°
14
91°
68°
15
91°
68°
16
91°
67°
17
92°
69°
18
92°
61°
19
84°
57°
20
80°
57°
21
83°
58°
22
86°
62°
23
87°
64°
24
87°
64°
25
86°
65°
26
86°
63°
27
85°
62°
28
85°
60°
29
77°
57°
30
78°
61°
1
84°
61°
2
84°
60°
3
83°
60°
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 77° to 95°, with overnight lows between 57° and 74°. The average high for September is 89° with an average low of 66°. 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.
