S
M
T
W
T
F
S
30
104°
75°
31
101°
71°
1
101°
71°
2
100°
74°
3
95°
72°
4
100°
74°
5
100°
73°
6
102°
73°
7
102°
74°
8
103°
77°
9
104°
74°
10
85°
72°
11
96°
74°
12
98°
75°
13
100°
76°
14
99°
73°
15
86°
65°
16
85°
66°
17
84°
63°
18
84°
62°
19
82°
61°
20
80°
61°
21
82°
60°
22
88°
66°
23
88°
66°
24
82°
65°
25
76°
65°
26
77°
64°
27
80°
64°
28
82°
63°
29
81°
64°
30
82°
55°
1
71°
51°
2
72°
50°
3
70°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Mustang
Mustang's September 2026 forecast shows daily high temperatures ranging from 70° to 104°, with overnight lows between 50° and 77°. The average high for September is 85° with an average low of 65°. 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 Mustang. See also: October | November | December.
