Austin · Month comparison
September vs October
October ranks #1 overall vs September at #8. Austin's finest month — ACL Festival plus Formula 1 Grand Prix in perfect 26°C weather.
September
#8 of 12 months
Strong option
Cooling begins — the city starts breathing again ahead of the October festival rush.
- ↑Temperatures dropping from August's 38°C peak — 33°C is still warm but noticeably more manageable
- ↑Austin City Limits TV tapings begin at KLRU — free tapings possible with advance registration
October
#1 of 12 months
Best match
Austin's finest month — ACL Festival plus Formula 1 Grand Prix in perfect 26°C weather.
- ↑ACL Music Festival (two weekends): 75+ acts across 8 stages in Zilker Park — one of the USA's best
- ↑Formula 1 US Grand Prix (late October): Circuit of the Americas, the biggest F1 race in America
| Factor | September | October |
|---|---|---|
| Weather score | 6 | 9 |
| Value score | 5 | 4 |
| Crowd score | 6 | 4 |
| Events score | 7 | 10 |
| Atmosphere | 7 | 9 |
| Avg high temp | 33°C | 26°C |
| Monthly rain | 147mm | 129mm |
| Daily sunshine | 8hrs | 7.5hrs |
September trade-offs
- ↓Still 33°C and humid — not yet comfortable enough for extended outdoor exploration at midday
- ↓ACL Festival preparation drives accommodation booking rush; book October far in advance
- ↓September thunderstorms can be intense: 80mm with heavy concentrated bursts
October trade-offs
- ↓The most expensive month by a distance: hotels triple or quadruple for ACL and F1 weekends
- ↓Zilker Park and South Congress flooded with 450,000+ ACL attendees across the two weekends
- ↓Book rooms 6–12 months in advance for October — last-minute availability essentially zero
Scores compare months within Austin. Climate data: Open Meteo ERA5 30-year normals (1991–2020). Methodology →