S
M
T
W
T
F
S
30
96°
76°
31
95°
75°
1
94°
76°
2
95°
76°
3
96°
75°
4
96°
76°
5
95°
75°
6
95°
76°
7
93°
71°
8
94°
72°
9
94°
72°
10
93°
70°
11
96°
72°
12
95°
71°
13
95°
71°
14
96°
72°
15
96°
66°
16
88°
67°
17
84°
68°
18
83°
67°
19
84°
68°
20
89°
69°
21
91°
66°
22
90°
64°
23
91°
66°
24
90°
67°
25
88°
67°
26
88°
66°
27
89°
60°
28
83°
60°
29
78°
61°
30
79°
58°
1
78°
57°
2
80°
58°
3
79°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Denton
Denton's September 2026 forecast shows daily high temperatures ranging from 78° to 96°, with overnight lows between 57° and 76°. The average high for September is 90° with an average low of 68°. 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 Denton. See also: October | November | December.
