S
M
T
W
T
F
S
30
76°
68°
31
86°
69°
1
90°
72°
2
96°
74°
3
88°
69°
4
77°
69°
5
79°
61°
6
79°
59°
7
79°
58°
8
82°
60°
9
78°
69°
10
82°
62°
11
76°
56°
12
83°
62°
13
81°
56°
14
71°
50°
15
79°
61°
16
74°
65°
17
70°
62°
18
75°
56°
19
66°
61°
20
69°
54°
21
65°
52°
22
65°
54°
23
64°
55°
24
65°
51°
25
71°
50°
26
72°
54°
27
71°
52°
28
71°
51°
29
69°
52°
30
68°
53°
1
69°
50°
2
71°
47°
3
64°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Dearborn
Dearborn's September 2026 forecast shows daily high temperatures ranging from 64° to 72°, with overnight lows between 47° and 61°. The average high for September is 68° 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 Dearborn. See also: October | November | December.
