Machu Picchu · AutumnMonth summary
Machu Picchu weather in September
⚠️ Fair
🌡️ Temperature min / max
13°C – 21°C
🌧 Rainy days
80% of days
☀️ Sunshine
10.8h per day on average
🌊 🌊 Season
Autumn
⭐ ⭐ Weather score
6.8/10
📅 📅 Best month
July (7.5/10)
Quick decision
Should you visit Machu Picchu in September?
⚠️ Fair
✅ Yes if: you're willing to accept showers in exchange for lower prices and fewer tourists.
❌ No if: you're planning 100% outdoor activities — rain is frequent.
Our take: Not the best window: 80% rain risk and 10.8h of sunshine. July is much safer.
By trip type
Machu Picchu 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
🎯 Acceptable period — 21°C but 80% rain risk. Plan alternatives Autumn marks the end of peak season in Machu Picchu. Temperatures drop (21°C) and rain returns (80% of days). With 80% of rainy days, always have indoor alternatives planned. Not the best window, but acceptable if dates are constrained. July (7.5/10) is significantly better if possible.
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Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌧️ January | 15°C | 21°C | 97% | 10.5 | 9.5h | 4.9/10 |
| 🌧️ February | 15°C | 21°C | 98% | 10.0 | 8.7h | 4.7/10 |
| 🌧️ March | 14°C | 21°C | 96% | 8.9 | 9.3h | 4.9/10 |
| 🌧️ April | 14°C | 21°C | 83% | 5.8 | 10.3h | 6.3/10 |
| 🌦️ May | 13°C | 21°C | 53% | 2.6 | 10.4h | 7.2/10 |
| 🌤️ June | 12°C | 20°C | 37% | 1.5 | 10.3h | 7.3/10 |
| 🌤️ July | 11°C | 21°C | 34% | 1.5 | 10.3h | 7.5/10 |
| 🌦️ August | 12°C | 21°C | 49% | 2.3 | 10.5h | 7.2/10 |
| 🌧️ September | 13°C | 21°C | 80% | 5.3 | 10.8h | 6.8/10 |
| 🌧️ October | 14°C | 21°C | 87% | 7.1 | 10.3h | 5.9/10 |
| 🌧️ November | 14°C | 21°C | 93% | 8.2 | 9.2h | 5.1/10 |
| 🌧️ December | 15°C | 21°C | 96% | 9.6 | 9.0h | 4.9/10 |
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, Machu Picchu averages 21°C, 80% rainy days and 10.8h of sunshine per day. Overall weather score: 6.8/10.
See methodology →
Comparison
September vs July (best month)
The best month is July (score 7.5/10). Difference:
- 🌡️ Max temperature : +0°C
- 🌧 Rainy days : -46%
- ☀️ Sunshine : -0.5h/day
FAQ
FAQ — Machu Picchu in September
Is September a good time to visit Machu Picchu?
September is an acceptable time for Machu Picchu (score 6.8/10). Conditions are decent but not optimal — consider July (7.5/10) if possible.
Does it rain a lot in Machu Picchu in September?
Yes, 80% of days see rain in September. Plan some indoor activities as backup.
Accommodation
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Activities & tours
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