S
M
T
W
T
F
S
30
72°
66°
31
81°
70°
1
90°
70°
2
89°
69°
3
82°
64°
4
81°
62°
5
78°
62°
6
78°
59°
7
78°
58°
8
76°
60°
9
79°
61°
10
74°
56°
11
75°
53°
12
78°
58°
13
78°
57°
14
76°
58°
15
77°
57°
16
77°
57°
17
76°
56°
18
71°
56°
19
76°
57°
20
77°
58°
21
77°
58°
22
76°
57°
23
77°
57°
24
76°
56°
25
75°
55°
26
74°
54°
27
75°
55°
28
75°
54°
29
74°
53°
30
72°
52°
1
71°
52°
2
72°
53°
3
73°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lake Orion
Lake Orion's September 2026 forecast shows daily high temperatures ranging from 71° to 90°, with overnight lows between 52° and 70°. The average high for September is 77° with an average low of 57°. 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 Lake Orion. See also: October | November | December.
