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
61°
54°
9
61°
48°
10
64°
46°
11
N/A
12
65°
56°
13
67°
57°
14
69°
55°
15
61°
50°
16
59°
52°
17
59°
49°
18
59°
52°
19
61°
49°
20
62°
51°
21
60°
52°
22
60°
50°
23
61°
52°
24
63°
52°
25
60°
52°
26
58°
51°
27
62°
52°
28
62°
47°
29
56°
46°
30
56°
47°
1
57°
51°
2
61°
51°
3
60°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Denton
Denton's September 2026 forecast shows daily high temperatures ranging from 56° to 69°, with overnight lows between 46° and 57°. The average high for September is 61° 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.
