Average temperatures for September at cities, towns, parks and lakes throughout Texas are listed below.
You can jump to a separate table for each region of the state: North Central Texas, South Central Texas, East Texas, Gulf Coast and West Texas.
The tables give the normal maximum and minimum temperatures based on weather data collected from 1991 to 2020 by the US National Centers for Environmental Information.
North Central Texas
Average September temperatures
High °F |
Low °F |
Place |
High °C |
Low °C |
89 |
66 |
Athens |
32 |
19 |
91 |
70 |
College Station |
33 |
21 |
90 |
70 |
Dallas |
32 |
21 |
89 |
67 |
Denton |
31 |
19 |
87 |
68 |
Fort Worth |
30 |
20 |
90 |
67 |
Killeen |
32 |
19 |
87 |
65 |
McKinney |
31 |
18 |
85 |
66 |
Sherman |
30 |
19 |
91 |
67 |
Waco |
33 |
19 |
88 |
64 |
Wichita Falls |
31 |
18 |
South Central Texas
Normal temperatures for September
High °F |
Low °F |
Place |
High °C |
Low °C |
93 |
73 |
Alice |
34 |
23 |
91 |
70 |
Austin |
33 |
21 |
91 |
70 |
Choke Canyon Lake Dam |
33 |
21 |
96 |
73 |
Falcon Lake Dam |
35 |
23 |
88 |
64 |
Fredericksburg |
31 |
18 |
92 |
72 |
Kingsville |
33 |
22 |
94 |
73 |
Laredo |
35 |
23 |
88 |
65 |
Midland |
31 |
18 |
89 |
66 |
New Braunfels |
32 |
19 |
90 |
70 |
San Antonio |
32 |
21 |
East Texas
September temperature averages
High °F |
Low °F |
Place |
High °C |
Low °C |
87 |
66 |
Lake Fork |
31 |
19 |
89 |
65 |
Longview |
32 |
18 |
89 |
66 |
Lufkin |
32 |
19 |
89 |
70 |
Sam Rayburn Lake Dam |
32 |
21 |
87 |
65 |
Texarkana |
31 |
18 |
89 |
66 |
Toledo Bend Reservoir Dam |
31 |
19 |
88 |
67 |
Tyler |
31 |
20 |
Gulf Coast
Average September temperatures
High °F |
Low °F |
Place |
High °C |
Low °C |
87 |
72 |
Aransas Wildlife Refuge |
31 |
22 |
89 |
70 |
Beaumont |
31 |
21 |
92 |
75 |
Brownsville |
33 |
24 |
91 |
73 |
Corpus Christi |
33 |
23 |
89 |
76 |
Galveston |
32 |
25 |
89 |
73 |
Houston |
32 |
23 |
94 |
73 |
McAllen |
34 |
23 |
89 |
77 |
South Padre Island |
32 |
25 |
91 |
70 |
Victoria |
33 |
21 |
West Texas
Average temperatures in September
High °F |
Low °F |
Place |
High °C |
Low °C |
89 |
65 |
Abilene |
32 |
18 |
84 |
58 |
Amarillo |
29 |
14 |
92 |
69 |
Del Rio |
33 |
21 |
88 |
65 |
El Paso |
31 |
19 |
80 |
58 |
Guadalupe Mountains Park |
27 |
14 |
95 |
68 |
Lajitas, Big Bend Park |
35 |
20 |
85 |
60 |
Lubbock |
29 |
15 |
85 |
62 |
Odessa |
30 |
17 |
88 |
64 |
San Angelo |
31 |
18 |