Month guide · Austin · United States
Austin in September
What September is really like in Austin: weather, crowds, prices, events and what to pack.
Updated By the AMZBooking editorial team
Photo: LoneStarMike, CC BY-SA 3.0
Quick answer
September is a quieter month with trade-offs. Expect average highs of 33°C (91°F), lows of 21°C (70°F), about 6 rainy days and roughly 12.3 hours of daylight. Still hot for most of the month, with heat easing in the last weeks; UT football fills hotels on home-game weekends.
Key facts
- Average high / low
- 33°C (91°F) / 21°C (70°F)
- Rainy days
- About 6
- Daylight
- About 12.3 hours
- Crowds
- Moderate
- Hotel prices
- Average
Weather in September
September is the 4th-warmest month in Austin: days average 33°C (91°F) against a yearly average high of 27°C (81°F), and nights fall to about 21°C (70°F). Rain falls on roughly 6 of its 30 days. Compared with August (36°C (97°F)), September is cooler; by October highs drop to around 28°C (82°F).
- Sunrise (15 September)
- About 07:15
- Sunset (15 September)
- About 19:37
- Daylight
- About 12.3 hours
Autumn (September–November). Heat lingers through September, then pleasant October and November days with ACL, the Grand Prix and football.
Crowds and prices
On a 1–5 scale, September rates 3 for crowds (the peak is March at 5) and 3 for hotel prices (highest in March). Prices sit in the middle of the year's range.
Events in September
- University of Texas home football games (usually September to November)
Dates move from year to year. Check the organiser’s site before booking travel around an event.
What to do in September
With intense heat, plan around indoor sights and keep outdoor time flexible.
Experience · Downtown
Congress Avenue Bridge bats
Arrive about 30 minutes before sunset; August, when the young join the flight, is usually the biggest show. Bat-watching boat tours give a close view from the water.
- Time needed
- 1 hour
- Cost
- Free
- Iconic
- Free
- Nature
- Kids
- After dark
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Street · Downtown
Sixth Street and Red River
East Sixth Street between Congress Avenue and Interstate 35 is Austin's famous bar strip, closed to traffic on weekend nights, while the Red River Cultural District around the corner has many of the city's long-running original-music clubs.
- Time needed
- An evening
- Cost
- Low cost
- After dark
- Iconic
Waterfront · Downtown
Lady Bird Lake and the Butler Trail
Rent a kayak or paddleboard from one of the rental docks and paddle towards the downtown skyline at sunset.
- Time needed
- 1–3 hours
- Cost
- Free
- Free
- Outdoors
- Active
- Views
Park · Zilker and Barton Hills
Zilker Park
Austin's main green space covers about 140 hectares south of the river, with lawns, Barton Springs Pool, the Zilker Botanical Garden, canoe rentals and the Zilker Zephyr miniature train.
- Time needed
- 2–4 hours
- Cost
- Free
- Free
- Outdoors
- Kids
What to pack
For highs near 33°C, lows near 21°C and 6 wet days: light, breathable clothes, a sun hat and high-factor sunscreen; comfortable walking shoes.
Is September a good time to visit Austin?
A quieter month with trade-offs, with a notable event on the calendar. If your dates are flexible, March–April and October–November are better overall. Compare every month.
Austin in other months
Questions travellers ask
+Is September a good time to visit Austin?
It is a quieter month with trade-offs. Still hot for most of the month, with heat easing in the last weeks; UT football fills hotels on home-game weekends.
+How warm is Austin in September?
Average highs are around 33°C (91°F) and lows around 21°C (70°F).
+Does it rain a lot in Austin in September?
Expect rain on about 6 days of the month.