Patagonia · AutumnMonth summary
Patagonia weather in September
⚠️ Fair
🌡️ Temperature min / max
36°F – 50°F
🌧 Rainy days
17% of days
☀️ Sunshine
10.0h per day on average
🌊 🌊 Season
Autumn
⭐ ⭐ Weather score
6.7/10
📅 📅 Best month
January (7.4/10)
Quick decision
Should you visit Patagonia in September?
⚠️ Fair
✅ Yes if: you prefer museums and gastronomy — it's cool at 10°F.
❌ No if: you're looking for beach weather — it's not the right season.
Our take: September is an average time for Patagonia. January (7.4/10) is clearly preferable.
By trip type
Patagonia in September by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ⚠️ Possible
- 🏖️ Beach / swimming : — No sea access
- 💰 💰 Budget : 🌿 Shoulder
Local context
What to expect in September
Autumn marks the end of peak season in Patagonia. Temperatures drop (10°F) and rain returns (17% of days). Rain risk remains low (17% of days), leaving good room for outdoor activities. Not the best window, but acceptable if dates are constrained. January (7.4/10) is significantly better if possible.
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All months for Patagonia
Annual table
Month-by-month comparison
| Month | Min °F | Max °F | Rain % | Precip in | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌤️ January | 46°F | 66°F | 31% | 0.1in | 12.1h | 7.4/10 |
| 🌤️ February | 48°F | 64°F | 32% | 0.0in | 11.6h | 7.3/10 |
| ⛅ March | 45°F | 61°F | 27% | 0.0in | 9.7h | 7.1/10 |
| ⛅ April | 39°F | 54°F | 25% | 0.0in | 8.3h | 6.1/10 |
| 🌫️ May | 34°F | 46°F | 24% | 0.0in | 7.0h | 4.7/10 |
| 🌨️ June | 30°F | 39°F | 21% | 0.0in | 6.1h | 4.2/10 |
| 🌨️ July | 30°F | 39°F | 18% | 0.0in | 6.5h | 4.3/10 |
| 🌫️ August | 32°F | 45°F | 20% | 0.0in | 7.8h | 4.9/10 |
| 🌫️ September | 36°F | 50°F | 17% | 0.0in | 10.0h | 6.7/10 |
| ⛅ October | 39°F | 57°F | 22% | 0.0in | 11.0h | 7.0/10 |
| ⛅ November | 43°F | 63°F | 24% | 0.0in | 12.8h | 7.4/10 |
| 🌤️ December | 46°F | 64°F | 33% | 0.1in | 12.4h | 7.3/10 |
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, Patagonia averages 50°F, 17% rainy days and 10.0h of sunshine per day. Overall weather score: 6.7/10.
See methodology →
Comparison
September vs January (best month)
The best month is January (score 7.4/10). Difference:
- 🌡️ Max temperature : +9°F
- 🌧 Rainy days : +14%
- ☀️ Sunshine : +2.1h/day
FAQ
FAQ — Patagonia in September
Is September a good time to visit Patagonia?
September is an acceptable time for Patagonia (score 6.7/10). Conditions are decent but not optimal — consider January (7.4/10) if possible.
What's the weather like in Patagonia in September?
It's cool with 50°F daytime and 36°F at night. 10.0h of sunshine per day. Pack warm clothes and favour indoor visits.
Accommodation
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Activities & tours
Activities and tours in Patagonia
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