S
M
T
W
T
F
S
30
100°
74°
31
97°
70°
1
93°
71°
2
96°
71°
3
102°
69°
4
101°
67°
5
100°
71°
6
98°
73°
7
98°
69°
8
98°
72°
9
99°
68°
10
94°
69°
11
98°
66°
12
103°
71°
13
98°
68°
14
97°
67°
15
96°
66°
16
91°
64°
17
86°
61°
18
82°
57°
19
79°
56°
20
83°
55°
21
85°
57°
22
83°
57°
23
82°
56°
24
81°
51°
25
85°
58°
26
81°
57°
27
82°
57°
28
81°
56°
29
82°
55°
30
82°
55°
1
83°
54°
2
82°
55°
3
82°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Dimmitt
Dimmitt's September 2026 forecast shows daily high temperatures ranging from 79° to 103°, with overnight lows between 51° and 71°. The average high for September is 86° 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 Dimmitt. See also: October | November | December.
