SeasonScore
Austin, United States
Photo: Nate Bolt · CC BY-SA 2.0

United States

Austin in September

🍂 Autumn

Hot, a little humid and some showers.

🎒 Pack: light, breathable clothes & sunscreen · sunglasses & hat

Best months: Mar (9.4), Nov (9.4), Apr (9.3)

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Why September scores 8.6What goes into the score

How it works
🌡️ 34° / 22°C🌧️ 70 mm💧 dew pt 19°🍃 PM2.5 8
  • Weather comfort7.9
    • !Hot (33.8°C highs / 21.8°C lows)
    • !Humid (dew point 18.8°C)
    • ✓Mostly dry (~70 mm rain)
  • Air quality9.5
    • ✓Good (within WHO guideline) (PM2.5 ~8 µg/m³)
  • Seasonal hazards10.0
    • ·No notable seasonal hazards
  • Safety baseline7.5
    • ·Increased caution
Compare monthsPut September side by side with another month
SepMar
Score8.6 Excellent9.4 Excellent
Season🍂 Autumn🌷 Spring
High / low34° / 22°24° / 11°
Rain70 mm58 mm
Humiditydew pt 19°dew pt 11°
PM2.58 µg/m³7 µg/m³

Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast).

Holidays & crowdsSeptember 2027

Long weekend

There's at least one long weekend. Domestic travel picks up and popular spots get busier over those days.

  • Labor Day 4–6 Sep · 3 days off in a row

National holidays only; regional holidays and school breaks aren't included. Source: holidays (open-source public-holiday calendar).

Explore AustinEvents, sights, food & souvenirs

Check event dates locally

The capital of Texas, known for live music, barbecue, its big festivals and a laid-back outdoor lifestyle.

Events in September
Bat emergence seasonDate variesRoughly March to October

Over a million bats fly out from under the Congress Avenue Bridge at dusk.

Why go: Numbers usually peak in late summer.

Where: Congress Avenue Bridge

Coming up later

Austin City Limits Music FestivalDate variesUsually two weekends in early October

A large music festival over two weekends with many stages.

Why go: Tickets often sell out early.

Where: Zilker Park

US Grand PrixDate variesUsually October

The Formula 1 United States Grand Prix.

Why go: Plan transport to the circuit early; it is outside the city.

Where: Circuit of the Americas

SXSWDate variesUsually mid-March

A festival of music, film and tech.

Why go: Hotels sell out and prices rise sharply; book months ahead.

Where: Downtown

Plan this tripTickets, data and transfers for Austin

Airport transfer Kiwitaxi

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