S
M
T
W
T
F
S
30
70°
49°
31
71°
50°
1
73°
55°
2
77°
58°
3
72°
60°
4
76°
60°
5
82°
56°
6
79°
51°
7
71°
48°
8
71°
48°
9
75°
47°
10
75°
52°
11
74°
50°
12
68°
51°
13
76°
55°
14
78°
55°
15
78°
54°
16
70°
55°
17
68°
54°
18
72°
53°
19
72°
48°
20
67°
52°
21
74°
44°
22
68°
42°
23
65°
42°
24
64°
43°
25
66°
45°
26
63°
41°
27
63°
42°
28
64°
45°
29
61°
40°
30
61°
41°
1
62°
43°
2
65°
39°
3
60°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Au Sable Forks
Au Sable Forks's September 2026 forecast shows daily high temperatures ranging from 60° to 82°, with overnight lows between 39° and 60°. The average high for September is 70° with an average low of 49°. 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 Au Sable Forks. See also: October | November | December.
