Peru · AutumnMonth summary
Peru weather in September
✅ Good
🌡️ Temperature min / max
57°F – 66°F
🌧 Rainy days
0% of days
☀️ Sunshine
10.5h per day on average
🌊 🌊 Season
Autumn
⭐ ⭐ Weather score
7.8/10
📅 📅 Best month
February (8.7/10)
Quick decision
Should you visit Peru in September?
✅ Good
✅ Yes if: you want to explore the city on foot without suffering from heat.
❌ No if: you're looking for a beach destination — water and air are still cool.
Our take: Favourable conditions in September (7.8/10). February scores higher but the gap is small.
By trip type
Peru in September by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ✅ Good
- 🏖️ Beach / swimming : — No sea access
- 💰 💰 Budget : ✅ Low season
Local context
What to expect in September
Autumn in Peru is often underrated: 19°F, golden light and declining crowds. An interesting window. Rain is virtually absent (0% of days) — ideal for planning without a backup. A good balance between weather and crowds, even if February (8.7/10) remains theoretically better.
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All months for Peru
Annual table
Month-by-month comparison
| Month | Min °F | Max °F | Rain % | Precip in | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌤️ January | 68°F | 75°F | 11% | 0.0in | 11.1h | 8.6/10 |
| ☀️ February | 70°F | 79°F | 14% | 0.0in | 11.0h | 8.7/10 |
| ☀️ March | 70°F | 77°F | 18% | 0.0in | 11.0h | 8.5/10 |
| 🌤️ April | 66°F | 73°F | 4% | 0.0in | 10.8h | 8.5/10 |
| 🌤️ May | 63°F | 70°F | 0% | 0.0in | 10.3h | 8.2/10 |
| 🌤️ June | 59°F | 66°F | 0% | 0.0in | 10.0h | 7.7/10 |
| 🌤️ July | 57°F | 66°F | 0% | 0.0in | 10.4h | 7.8/10 |
| 🌤️ August | 57°F | 64°F | 0% | 0.0in | 10.1h | 7.6/10 |
| 🌤️ September | 57°F | 66°F | 0% | 0.0in | 10.5h | 7.8/10 |
| 🌤️ October | 59°F | 68°F | 2% | 0.0in | 10.8h | 8.0/10 |
| 🌤️ November | 61°F | 70°F | 1% | 0.0in | 11.1h | 8.3/10 |
| 🌤️ December | 64°F | 72°F | 6% | 0.0in | 11.1h | 8.4/10 |
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, Peru averages 66°F, 0% rainy days and 10.5h of sunshine per day. Overall weather score: 7.8/10.
See methodology →
Comparison
September vs February (best month)
The best month is February (score 8.7/10). Difference:
- 🌡️ Max temperature : +7°F
- 🌧 Rainy days : +14%
- ☀️ Sunshine : +0.5h/day
FAQ
FAQ — Peru in September
Is September a good time to visit Peru?
September is an excellent time to visit Peru (score 7.8/10). With 66°F, 10.5h of sunshine and 0% rain, conditions are very favourable.
What to do in Peru in September?
With 66°F max and 10.5h of sunshine, focus on cultural sites, museums and local gastronomy.
Accommodation
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Activities & tours
Activities and tours in Peru
Guided tours, skip-the-line tickets and local experiences.
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