S
M
T
W
T
F
S
30
96°
71°
31
96°
68°
1
95°
71°
2
96°
70°
3
94°
68°
4
91°
69°
5
93°
68°
6
94°
69°
7
94°
70°
8
93°
69°
9
94°
68°
10
94°
68°
11
93°
67°
12
92°
59°
13
91°
59°
14
82°
58°
15
82°
61°
16
86°
63°
17
89°
64°
18
89°
63°
19
87°
62°
20
88°
63°
21
90°
65°
22
91°
56°
23
90°
55°
24
87°
54°
25
79°
53°
26
87°
52°
27
89°
60°
28
88°
62°
29
89°
60°
30
Hist. Avg.
81°
55°
1
Hist. Avg.
81°
54°
2
Hist. Avg.
81°
54°
3
Hist. Avg.
80°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Altus
Altus's September 2026 forecast shows daily high temperatures ranging from 79° to 96°, with overnight lows between 52° and 71°. The average high for September is 90° with an average low of 63°. 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 Altus. See also: October | November | December.
