What to Wear in Austin in September
Hot, easing slowly. Expect 20°–32°C with 6 rainy days on average.
☀️
High
32°C
🌙
Low
20°C
🌧️
Rain days
6
🌡️
Feel
Very Warm
Typical outfit
~26°C average
About September in Austin
September in Austin typically brings hot, easing slowly. With averages of 20°–32°C, the conditions call for a beautifully warm day — dress for comfort and style with breathable summer pieces.
Bring a light layer for the evening — temperatures can drop 8–10°C after sunset.
September in other cities