S
M
T
W
T
F
S
30
73°
51°
31
80°
53°
1
81°
51°
2
79°
50°
3
80°
44°
4
77°
43°
5
78°
50°
6
78°
48°
7
75°
50°
8
Hist. Avg.
73°
51°
9
Hist. Avg.
72°
50°
10
Hist. Avg.
72°
50°
11
Hist. Avg.
72°
50°
12
Hist. Avg.
71°
49°
13
Hist. Avg.
71°
49°
14
Hist. Avg.
71°
49°
15
Hist. Avg.
70°
48°
16
Hist. Avg.
70°
48°
17
Hist. Avg.
69°
48°
18
Hist. Avg.
69°
47°
19
Hist. Avg.
68°
47°
20
Hist. Avg.
68°
46°
21
Hist. Avg.
68°
46°
22
Hist. Avg.
67°
46°
23
Hist. Avg.
67°
45°
24
Hist. Avg.
66°
45°
25
Hist. Avg.
66°
45°
26
Hist. Avg.
65°
44°
27
Hist. Avg.
65°
44°
28
Hist. Avg.
64°
43°
29
Hist. Avg.
64°
43°
30
Hist. Avg.
64°
43°
1
Hist. Avg.
63°
42°
2
Hist. Avg.
63°
42°
3
Hist. Avg.
62°
41°
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 73° to 81°, with overnight lows between 43° and 53°. The average high for September is 78° with an average low of 49°. 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.
