S
M
T
W
T
F
S
30
92°
73°
31
94°
74°
1
94°
76°
2
93°
73°
3
92°
73°
4
92°
74°
5
91°
75°
6
89°
76°
7
89°
74°
8
91°
75°
9
90°
76°
10
91°
75°
11
90°
74°
12
91°
75°
13
91°
75°
14
89°
74°
15
88°
74°
16
87°
73°
17
87°
74°
18
86°
73°
19
88°
73°
20
89°
72°
21
88°
73°
22
90°
73°
23
87°
72°
24
88°
72°
25
90°
71°
26
89°
71°
27
90°
70°
28
88°
70°
29
87°
69°
30
88°
69°
1
87°
70°
2
88°
70°
3
84°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Central Southwest
Central Southwest's September 2026 forecast shows daily high temperatures ranging from 84° to 94°, with overnight lows between 65° and 76°. The average high for September is 89° with an average low of 73°. 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 Central Southwest. See also: October | November | December.
