S
M
T
W
T
F
S
30
70°
50°
31
68°
55°
1
68°
54°
2
66°
53°
3
68°
52°
4
66°
51°
5
64°
52°
6
65°
54°
7
67°
51°
8
64°
52°
9
66°
53°
10
66°
49°
11
65°
50°
12
65°
49°
13
64°
51°
14
63°
51°
15
63°
47°
16
61°
47°
17
60°
46°
18
60°
49°
19
62°
49°
20
61°
47°
21
60°
46°
22
61°
47°
23
61°
48°
24
59°
47°
25
60°
48°
26
63°
48°
27
Hist. Avg.
59°
49°
28
Hist. Avg.
59°
49°
29
Hist. Avg.
59°
49°
30
Hist. Avg.
59°
48°
1
Hist. Avg.
58°
48°
2
Hist. Avg.
58°
48°
3
Hist. Avg.
58°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Denbigh
Denbigh's September 2026 forecast shows daily high temperatures ranging from 59° to 70°, with overnight lows between 46° and 55°. The average high for September is 64° 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 Denbigh. See also: October | November | December.