Mendoza · AutumnMonth summary
Mendoza weather in September
✅ Good
🌡️ Temperature min / max
9°C – 20°C
🌧 Rainy days
10% of days
☀️ Sunshine
11.0h per day on average
🌊 🌊 Season
Autumn
⭐ ⭐ Weather score
7.9/10
📅 📅 Best month
November (9.4/10)
Quick decision
Should you visit Mendoza 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 (7.9/10). November scores higher but the gap is small.
By trip type
Mendoza 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
🎯 Harvest season — fresh local produce at markets and restaurants Autumn in Mendoza is often underrated: 20°C, golden light and declining crowds. An interesting window. Rain is virtually absent (10% of days) — ideal for planning without a backup. A good balance between weather and crowds, even if November (9.4/10) remains theoretically better.
Browse by month
All months for Mendoza
Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | Sun h/d | Score |
|---|---|---|---|---|---|---|
| ☀️ January | 20°C | 31°C | 23% | 1.7 | 13.2h | 8.3/10 |
| ☀️ February | 19°C | 29°C | 18% | 0.9 | 12.5h | 8.9/10 |
| ☀️ March | 16°C | 26°C | 20% | 1.2 | 11.5h | 8.6/10 |
| 🌤️ April | 12°C | 21°C | 17% | 1.0 | 10.8h | 7.9/10 |
| ⛅ May | 8°C | 16°C | 17% | 1.0 | 9.6h | 7.1/10 |
| ⛅ June | 4°C | 13°C | 11% | 0.4 | 9.3h | 7.0/10 |
| ⛅ July | 4°C | 12°C | 9% | 0.3 | 9.7h | 7.0/10 |
| ⛅ August | 6°C | 16°C | 9% | 0.6 | 10.6h | 7.3/10 |
| 🌤️ September | 9°C | 20°C | 10% | 0.3 | 11.0h | 7.9/10 |
| 🌤️ October | 12°C | 24°C | 15% | 0.9 | 12.5h | 8.7/10 |
| ☀️ November | 16°C | 28°C | 14% | 0.9 | 13.1h | 9.4/10 |
| ☀️ December | 19°C | 30°C | 14% | 0.7 | 13.4h | 8.9/10 |
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, Mendoza averages 20°C, 10% rainy days and 11.0h of sunshine per day. Overall weather score: 7.9/10.
See methodology →
Comparison
September vs November (best month)
The best month is November (score 9.4/10). Difference:
- 🌡️ Max temperature : +8°C
- 🌧 Rainy days : +4%
- ☀️ Sunshine : +2.1h/day
FAQ
FAQ — Mendoza in September
Is September a good time to visit Mendoza?
September is an excellent time to visit Mendoza (score 7.9/10). With 20°C, 11.0h of sunshine and 10% rain, conditions are very favourable.
What to do in Mendoza in September?
With 20°C max and 11.0h of sunshine, focus on cultural sites, museums and local gastronomy.
Accommodation
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Activities & tours
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