S
M
T
W
T
F
S
30
103°
70°
31
99°
67°
1
96°
63°
2
99°
65°
3
101°
68°
4
102°
64°
5
101°
69°
6
95°
70°
7
97°
67°
8
97°
66°
9
95°
66°
10
87°
64°
11
95°
61°
12
88°
63°
13
98°
60°
14
95°
68°
15
82°
63°
16
86°
60°
17
91°
66°
18
93°
63°
19
94°
61°
20
83°
60°
21
75°
58°
22
73°
58°
23
66°
59°
24
69°
56°
25
72°
55°
26
77°
53°
27
80°
55°
28
79°
53°
29
79°
52°
30
78°
52°
1
82°
48°
2
76°
54°
3
80°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Dalhart
Dalhart's September 2026 forecast shows daily high temperatures ranging from 66° to 94°, with overnight lows between 48° and 63°. The average high for September is 79° with an average low of 56°. 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 Dalhart. See also: October | November | December.
