S
M
T
W
T
F
S
30
68°
57°
31
66°
52°
1
70°
50°
2
66°
57°
3
70°
63°
4
64°
55°
5
64°
54°
6
72°
54°
7
66°
59°
8
60°
49°
9
62°
48°
10
62°
53°
11
62°
47°
12
63°
57°
13
65°
55°
14
68°
59°
15
63°
50°
16
61°
51°
17
62°
51°
18
62°
50°
19
63°
51°
20
62°
50°
21
64°
55°
22
64°
54°
23
63°
54°
24
64°
52°
25
62°
48°
26
61°
47°
27
61°
47°
28
62°
50°
29
60°
51°
30
61°
50°
1
61°
46°
2
60°
50°
3
61°
51°
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 60° to 68°, with overnight lows between 46° and 59°. The average high for September is 62° with an average low of 51°. 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.
