S
M
T
W
T
F
S
30
90°
68°
31
94°
70°
1
90°
70°
2
89°
64°
3
87°
62°
4
86°
62°
5
86°
66°
6
88°
67°
7
88°
69°
8
91°
69°
9
93°
68°
10
89°
67°
11
88°
66°
12
88°
68°
13
91°
62°
14
91°
60°
15
85°
59°
16
86°
60°
17
85°
59°
18
86°
60°
19
87°
63°
20
89°
63°
21
90°
65°
22
88°
65°
23
84°
64°
24
84°
63°
25
83°
62°
26
87°
61°
27
88°
61°
28
87°
62°
29
88°
62°
30
87°
61°
1
88°
61°
2
88°
60°
3
87°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Dumas City
Dumas City's September 2026 forecast shows daily high temperatures ranging from 83° to 94°, with overnight lows between 54° and 70°. The average high for September is 88° with an average low of 64°. 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 Dumas City. See also: October | November | December.
