S
M
T
W
T
F
S
30
82°
67°
31
87°
66°
1
90°
68°
2
87°
68°
3
88°
71°
4
91°
70°
5
87°
70°
6
77°
66°
7
77°
66°
8
76°
66°
9
84°
60°
10
81°
53°
11
83°
55°
12
74°
55°
13
66°
49°
14
71°
55°
15
71°
52°
16
71°
51°
17
76°
64°
18
72°
62°
19
72°
63°
20
65°
59°
21
61°
55°
22
57°
52°
23
71°
46°
24
67°
51°
25
63°
57°
26
65°
59°
27
66°
59°
28
77°
55°
29
69°
54°
30
72°
66°
1
68°
46°
2
69°
39°
3
75°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Duncombe
Duncombe's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Duncombe. See also: October | November | December.