S
M
T
W
T
F
S
30
84°
59°
31
82°
56°
1
79°
56°
2
78°
57°
3
80°
58°
4
79°
57°
5
83°
59°
6
77°
64°
7
85°
62°
8
83°
56°
9
77°
56°
10
77°
55°
11
76°
55°
12
77°
56°
13
76°
55°
14
75°
54°
15
76°
59°
16
77°
57°
17
76°
53°
18
78°
54°
19
79°
60°
20
81°
58°
21
Hist. Avg.
77°
55°
22
Hist. Avg.
77°
55°
23
Hist. Avg.
76°
55°
24
Hist. Avg.
76°
54°
25
Hist. Avg.
76°
54°
26
Hist. Avg.
75°
53°
27
Hist. Avg.
75°
53°
28
Hist. Avg.
74°
53°
29
Hist. Avg.
74°
52°
30
Hist. Avg.
73°
52°
1
Hist. Avg.
73°
51°
2
Hist. Avg.
73°
51°
3
Hist. Avg.
72°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Texas
Texas's September 2026 forecast shows daily high temperatures ranging from 75° to 85°, with overnight lows between 53° and 64°. The average high for September is 79° with an average low of 57°. 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 Texas. See also: October | November | December.
