Austin · AutumnMonth summary
Austin weather in September
✅ Good
🌡️ Temperature min / max
73°F – 90°F
🌧 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°F.
❌ No if: you need maximum sunshine — some overcast days are possible.
Our take: Favourable conditions in September (7.6/10). October scores higher but the gap is small.
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
Autumn in Austin is often underrated: 32°F, 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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Annual table
Month-by-month comparison
| Month | Min °F | Max °F | Rain % | Precip in | Sun h/d | Score |
|---|---|---|---|---|---|---|
| ⛅ January | 43°F | 61°F | 26% | 0.1in | 9.7h | 7.0/10 |
| 🌤️ February | 46°F | 68°F | 33% | 0.1in | 8.1h | 7.2/10 |
| 🌤️ March | 55°F | 75°F | 33% | 0.1in | 9.0h | 7.6/10 |
| 🌤️ April | 61°F | 81°F | 39% | 0.2in | 9.9h | 7.8/10 |
| 🌤️ May | 68°F | 86°F | 46% | 0.2in | 10.9h | 7.5/10 |
| 🌤️ June | 75°F | 91°F | 37% | 0.1in | 12.1h | 7.3/10 |
| 🌤️ July | 77°F | 95°F | 30% | 0.1in | 12.5h | 7.1/10 |
| 🥵 August | 77°F | 97°F | 29% | 0.2in | 12.7h | 6.9/10 |
| 🌤️ September | 73°F | 90°F | 31% | 0.1in | 11.3h | 7.6/10 |
| 🌤️ October | 64°F | 84°F | 27% | 0.1in | 10.7h | 8.2/10 |
| 🌤️ November | 54°F | 73°F | 29% | 0.1in | 8.8h | 7.6/10 |
| 🌤️ December | 46°F | 64°F | 27% | 0.1in | 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 90°F, 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°F
- 🌧 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 90°F, 11.3h of sunshine and 31% rain, conditions are very favourable.
What to do in Austin in September?
With 90°F max and 11.3h of sunshine, focus on cultural sites, museums and local gastronomy.
Accommodation
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