S
M
T
W
T
F
S
30
82°
64°
31
77°
65°
1
79°
64°
2
82°
59°
3
76°
55°
4
76°
58°
5
77°
60°
6
78°
62°
7
83°
62°
8
84°
61°
9
78°
59°
10
77°
60°
11
74°
51°
12
74°
52°
13
73°
51°
14
74°
49°
15
73°
50°
16
72°
48°
17
72°
49°
18
73°
47°
19
71°
46°
20
70°
45°
21
70°
45°
22
70°
47°
23
72°
49°
24
76°
53°
25
79°
56°
26
79°
55°
27
72°
51°
28
78°
54°
29
69°
43°
30
69°
51°
1
67°
54°
2
76°
41°
3
77°
41°
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 67° to 84°, with overnight lows between 41° and 65°. The average high for September is 75° 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 Denton. See also: October | November | December.
