Pack or skip
Swimsuit for Austin in September
Verdict
Pack it
Highs around 90°F — pools, beaches, and rooftop bars.
Why
Austin in September averages highs of 90°F, lows of 69°F, 7 rainy days.
That climate means a swimsuit earns its space in the bag. Highs around 90°F — pools, beaches, and rooftop bars.