S
M
T
W
T
F
S
30
88°
72°
31
90°
72°
1
94°
73°
2
96°
74°
3
96°
73°
4
87°
66°
5
81°
61°
6
81°
62°
7
82°
61°
8
82°
63°
9
83°
64°
10
81°
63°
11
83°
58°
12
77°
58°
13
76°
59°
14
81°
62°
15
77°
62°
16
76°
61°
17
75°
57°
18
74°
53°
19
73°
54°
20
74°
56°
21
77°
59°
22
80°
60°
23
81°
61°
24
81°
59°
25
79°
57°
26
78°
58°
27
79°
59°
28
79°
58°
29
80°
57°
30
75°
55°
1
71°
53°
2
72°
56°
3
77°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in District 3, Denton
District 3, Denton's September 2026 forecast shows daily high temperatures ranging from 71° to 96°, with overnight lows between 53° and 74°. The average high for September is 80° with an average low of 61°. 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 District 3, Denton. See also: October | November | December.
