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Austin Texas 4K Driving Tour - Live Music Capital of the World City Drive
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Weather · September
Austin weather in September
Average highs of 91°F, lows of 70°F and 3.5 in of rain, from 30 years of weather records.
September is Austin’s 4th warmest month, with average highs of 91°F and lows of 70°F. That is 6° cooler than August, and 11° above the yearly average high.
- Average high
- 91°F
- Average low
- 70°F
- Precipitation
- 3.5 in
- Wet days
- 7
- Sunrise · sunset
- 7:15 AM · 7:37 PM
September across the year
High and low Rain
What to wear in September
- Hot days: light, breathable clothes, a sun hat, sunscreen and plenty of water for anything outdoors.
- Pack an umbrella or rain jacket: rain or snow falls on about 7 days this month.
September is good for
- Early-morning or evening outings, with indoor plans for the afternoon heat
What’s on in Austin in September
See all upcoming events and school days off.
See Austin
A look around town before you go.
September compared with the months around it
Planning a trip? See the best time to visit Austin and today’s forecast.
Questions
How hot does it get in Austin in September?
Average highs are 91°F and average lows 70°F, for a daily mean of 81°F. Individual days run hotter or colder than these 30-year averages.
Does it rain in Austin in September?
September averages 3.5 in of precipitation over about 7 days with at least 0.01 in. It is the 4th wettest month of the year.
What time is sunset in Austin in September?
Around mid-September the sun rises about 7:15 AM and sets about 7:37 PM, for roughly 12.4 hours of daylight.
Is September a good time to visit Austin?
The mildest months for visiting are February, March, April. September is hot, with Halloween events.
NOAA U.S. Climate Normals 1991–2020, Austin-Camp Mabry station (1.6 mi from downtown). Sunrise and sunset are calculated for September 15 at the city’s coordinates.