S
M
T
W
T
F
S
30
79°
60°
31
80°
59°
1
79°
62°
2
79°
63°
3
81°
55°
4
80°
54°
5
78°
53°
6
75°
55°
7
77°
59°
8
78°
53°
9
79°
55°
10
83°
53°
11
80°
51°
12
77°
53°
13
76°
52°
14
76°
52°
15
78°
54°
16
80°
56°
17
81°
57°
18
80°
58°
19
72°
48°
20
75°
46°
21
71°
48°
22
Hist. Avg.
78°
52°
23
Hist. Avg.
78°
51°
24
Hist. Avg.
77°
51°
25
Hist. Avg.
77°
50°
26
Hist. Avg.
76°
50°
27
Hist. Avg.
76°
49°
28
Hist. Avg.
75°
49°
29
Hist. Avg.
75°
48°
30
Hist. Avg.
74°
48°
1
Hist. Avg.
74°
48°
2
Hist. Avg.
74°
47°
3
Hist. Avg.
73°
47°
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 71° to 83°, with overnight lows between 46° and 63°. The average high for September is 78° with an average low of 55°. 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.
