Austin · AutumnMonth summary
Austin weather in September
✅ Good
🌡️ Temperature min / max
23°C – 32°C
🌧 Rainy days
31% of days
☀️ Sunshine
11.3h per day on average
🌊 🌊 Season
Autumn
⭐ ⭐ Weather score
7.6/10
📅 📅 Best month
October (8.2/10)
Quick decision
Should you visit Austin in September?
✅ Good
✅ Yes if: you want shoulder-season value — fewer crowds, 32°C.
❌ No if: you need maximum sunshine — some overcast days are possible.
Our take: September is a good time to visit Austin. October remains slightly better (+0.6 pts).
By trip type
Austin in September by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ✅ Good
- 🏖️ Beach / swimming : — No sea access
- 💰 💰 Budget : 💸 Peak season
Local context
What to expect in September
🎯 Good period — 32°C with good sunshine. Reasonable crowds Autumn in Austin is often underrated: 32°C, golden light and declining crowds. An interesting window. Expect rain on 31% of days — a light raincoat in the bag is recommended. A good balance between weather and crowds, even if October (8.2/10) remains theoretically better.
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All months for Austin
Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | Sun h/d | Score |
|---|---|---|---|---|---|---|
| ⛅ January | 6°C | 16°C | 26% | 2.4 | 9.7h | 7.0/10 |
| 🌤️ February | 8°C | 20°C | 33% | 2.9 | 8.1h | 7.2/10 |
| 🌤️ March | 13°C | 24°C | 33% | 2.6 | 9.0h | 7.6/10 |
| 🌤️ April | 16°C | 27°C | 39% | 4.4 | 9.9h | 7.8/10 |
| 🌤️ May | 20°C | 30°C | 46% | 6.0 | 10.9h | 7.5/10 |
| 🌤️ June | 24°C | 33°C | 37% | 3.5 | 12.1h | 7.3/10 |
| 🌤️ July | 25°C | 35°C | 30% | 2.9 | 12.5h | 7.1/10 |
| 🥵 August | 25°C | 36°C | 29% | 3.9 | 12.7h | 6.9/10 |
| 🌤️ September | 23°C | 32°C | 31% | 3.5 | 11.3h | 7.6/10 |
| 🌤️ October | 18°C | 29°C | 27% | 3.1 | 10.7h | 8.2/10 |
| 🌤️ November | 12°C | 23°C | 29% | 2.6 | 8.8h | 7.6/10 |
| 🌤️ December | 8°C | 18°C | 27% | 2.6 | 8.1h | 7.1/10 |
Ideal
Fair
Challenging climate
◀ Current month · Source Open-Meteo · 10 years
📊 Data source
Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In September, Austin averages 32°C, 31% rainy days and 11.3h of sunshine per day. Overall weather score: 7.6/10.
See methodology →
Comparison
September vs October (best month)
The best month is October (score 8.2/10). Difference:
- 🌡️ Max temperature : -3°C
- 🌧 Rainy days : -4%
- ☀️ Sunshine : -0.6h/day
FAQ
FAQ — Austin in September
Is September a good time to visit Austin?
September is an excellent time to visit Austin (score 7.6/10). With 32°C, 11.3h of sunshine and 31% rain, conditions are very favourable.
What to do in Austin in September?
With 32°C max and 11.3h of sunshine, focus on cultural sites, museums and local gastronomy.
Accommodation
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Activities & tours
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Guided tours, skip-the-line tickets and local experiences.
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