S
M
T
W
T
F
S
30
72°
66°
31
82°
70°
1
91°
70°
2
98°
72°
3
81°
68°
4
78°
66°
5
82°
63°
6
79°
61°
7
80°
59°
8
83°
60°
9
77°
69°
10
81°
64°
11
78°
58°
12
84°
62°
13
79°
57°
14
70°
53°
15
78°
62°
16
72°
63°
17
68°
62°
18
75°
57°
19
65°
61°
20
69°
54°
21
64°
50°
22
64°
51°
23
65°
54°
24
64°
52°
25
69°
51°
26
70°
55°
27
70°
52°
28
69°
54°
29
68°
55°
30
69°
53°
1
69°
52°
2
71°
48°
3
63°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Royal Oak
Royal Oak's September 2026 forecast shows daily high temperatures ranging from 63° to 71°, with overnight lows between 48° and 61°. The average high for September is 67° 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 Royal Oak. See also: October | November | December.
