S
M
T
W
T
F
S
30
81°
67°
31
84°
67°
1
89°
65°
2
86°
64°
3
87°
71°
4
90°
72°
5
76°
69°
6
73°
67°
7
74°
65°
8
79°
64°
9
80°
60°
10
80°
58°
11
80°
58°
12
72°
56°
13
70°
49°
14
59°
59°
15
71°
51°
16
68°
59°
17
72°
57°
18
70°
64°
19
75°
56°
20
65°
50°
21
67°
52°
22
65°
51°
23
66°
53°
24
68°
51°
25
70°
52°
26
69°
53°
27
67°
52°
28
68°
43°
29
66°
49°
30
68°
46°
1
68°
48°
2
64°
47°
3
67°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Dexter
Dexter's September 2026 forecast shows daily high temperatures ranging from 64° to 75°, with overnight lows between 43° and 64°. The average high for September is 68° with an average low of 52°. 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 Dexter. See also: October | November | December.
