Texas weather in September

The state broadly agrees with itself in September: afternoons run 92° in South Padre Island and 88° in El Paso, with everywhere else in between.

Based on 8 weather stations. Eight stations across a state the size of several — El Paso to Galveston spans two time zones and at least two climates, and the rows below keep them apart.

Hill Country & Central Texas

Highs 90–91°, nights around 70°, and 3.5–3.9 in of rain in a typical September.

Place	Highs / lows	Wet days	The short version
Austin	91° / 70°	4	Still summer, with fronts teasing at the very end.
San Antonio	90° / 70°	5	Still hot, but the storms come back and help.

North Texas

Highs near 89°, nights around 69°, and 2.7 in of rain in a typical September.

Place	Highs / lows	Wet days	The short version
Dallas	89° / 69°	4	Long summer tail, then the State Fair changes the mood.

Houston & the Upper Coast

Highs 89–90°, nights 71–76°, and 4.7–6.7 in of rain in a typical September.

Place	Highs / lows	Wet days	The short version
Houston	90° / 71°	6	Still summer, still watching the Gulf, still waiting for fall.
Galveston	89° / 76°	7	Wettest month, sea still summer-warm, and the fewest people on it.

South Texas Coast

Highs 91–92°, nights 73–75°, and 5.4–5.7 in of rain in a typical September.

Place	Highs / lows	Wet days	The short version
Corpus Christi	91° / 73°	7	Rain arrives in sheets, leaves in minutes, floods the underpasses.
South Padre Island	92° / 75°	8	Squalls roll in, drum the roof, then steam off.

Far West Texas

Highs near 88°, nights around 65°, and 1.5 in of rain in a typical September.

Place	Highs / lows	Wet days	The short version
El Paso	88° / 65°	3	Storms thin out and the Franklins become hikeable again.

Each place above has its own page for the full story — what the month feels like, what to pack, and whether the timing is right.

Where to go in September, across the whole country ›