S
M
T
W
T
F
S
30
66°
52°
31
66°
52°
1
67°
53°
2
67°
52°
3
66°
50°
4
66°
50°
5
67°
53°
6
66°
48°
7
67°
52°
8
67°
51°
9
68°
52°
10
69°
50°
11
65°
52°
12
66°
47°
13
68°
51°
14
68°
50°
15
67°
45°
16
63°
48°
17
66°
46°
18
67°
47°
19
66°
52°
20
66°
52°
21
67°
51°
22
66°
51°
23
65°
50°
24
64°
49°
25
64°
50°
26
63°
48°
27
65°
49°
28
63°
48°
29
64°
47°
30
60°
42°
1
60°
47°
2
Hist. Avg.
60°
47°
3
Hist. Avg.
59°
47°
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 69°, with overnight lows between 42° and 53°. The average high for September is 66° with an average low of 50°. 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.
