S
M
T
W
T
F
S
30
71°
56°
31
70°
55°
1
70°
57°
2
69°
56°
3
70°
54°
4
69°
51°
5
65°
53°
6
69°
55°
7
67°
53°
8
69°
55°
9
68°
54°
10
68°
51°
11
67°
51°
12
67°
52°
13
68°
52°
14
66°
54°
15
66°
49°
16
67°
48°
17
63°
47°
18
63°
51°
19
64°
52°
20
63°
51°
21
62°
48°
22
63°
49°
23
62°
52°
24
63°
51°
25
63°
50°
26
64°
53°
27
Hist. Avg.
61°
49°
28
Hist. Avg.
61°
48°
29
Hist. Avg.
61°
48°
30
Hist. Avg.
61°
48°
1
Hist. Avg.
60°
48°
2
Hist. Avg.
60°
48°
3
Hist. Avg.
60°
48°
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 62° to 71°, with overnight lows between 47° and 57°. The average high for September is 66° with an average low of 52°. 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.
