S
M
T
W
T
F
S
30
100°
60°
31
100°
71°
1
101°
72°
2
102°
81°
3
101°
74°
4
99°
72°
5
100°
71°
6
102°
68°
7
96°
63°
8
98°
71°
9
98°
72°
10
96°
70°
11
95°
69°
12
94°
68°
13
96°
71°
14
90°
63°
15
89°
62°
16
90°
64°
17
82°
58°
18
80°
63°
19
82°
63°
20
85°
62°
21
85°
64°
22
84°
63°
23
85°
62°
24
84°
62°
25
83°
61°
26
79°
57°
27
73°
51°
28
73°
50°
29
71°
49°
30
74°
54°
1
76°
56°
2
78°
54°
3
70°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Ash Flat
Ash Flat's September 2026 forecast shows daily high temperatures ranging from 70° to 102°, with overnight lows between 49° and 72°. The average high for September is 86° with an average low of 62°. 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 Ash Flat. See also: October | November | December.
