S
M
T
W
T
F
S
30
96°
72°
31
95°
75°
1
93°
74°
2
98°
76°
3
99°
75°
4
98°
77°
5
97°
76°
6
100°
77°
7
100°
76°
8
98°
76°
9
97°
75°
10
87°
67°
11
89°
67°
12
90°
70°
13
90°
70°
14
89°
69°
15
90°
70°
16
89°
70°
17
82°
69°
18
80°
69°
19
81°
68°
20
88°
69°
21
88°
69°
22
87°
68°
23
87°
69°
24
88°
68°
25
87°
66°
26
86°
65°
27
86°
67°
28
85°
67°
29
86°
65°
30
86°
65°
1
85°
64°
2
86°
65°
3
86°
64°
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 80° to 100°, with overnight lows between 64° and 77°. The average high for September is 90° with an average low of 70°. 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.
