S
M
T
W
T
F
S
30
91°
68°
31
88°
67°
1
82°
65°
2
83°
60°
3
80°
60°
4
80°
64°
5
82°
67°
6
87°
66°
7
88°
65°
8
81°
64°
9
84°
64°
10
86°
58°
11
78°
57°
12
78°
57°
13
79°
58°
14
79°
63°
15
84°
63°
16
81°
62°
17
83°
62°
18
77°
54°
19
75°
53°
20
74°
57°
21
74°
57°
22
77°
59°
23
80°
60°
24
81°
61°
25
82°
52°
26
81°
50°
27
73°
51°
28
72°
50°
29
72°
49°
30
71°
49°
1
Hist. Avg.
76°
52°
2
Hist. Avg.
75°
51°
3
Hist. Avg.
75°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Dupo
Dupo's September 2026 forecast shows daily high temperatures ranging from 71° to 91°, with overnight lows between 49° and 68°. The average high for September is 80° with an average low of 59°. 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 Dupo. See also: October | November | December.
