S
M
T
W
T
F
S
30
76°
67°
31
85°
69°
1
90°
71°
2
96°
71°
3
87°
70°
4
73°
71°
5
80°
61°
6
79°
57°
7
78°
55°
8
81°
57°
9
77°
68°
10
81°
58°
11
77°
54°
12
82°
60°
13
79°
54°
14
71°
54°
15
82°
68°
16
76°
64°
17
78°
57°
18
76°
57°
19
78°
62°
20
78°
58°
21
70°
58°
22
71°
56°
23
71°
54°
24
74°
54°
25
74°
52°
26
72°
53°
27
78°
55°
28
77°
56°
29
76°
55°
30
73°
56°
1
75°
55°
2
76°
53°
3
73°
54°
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 70° to 82°, with overnight lows between 52° and 68°. The average high for September is 75° with an average low of 57°. 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.
