Peloponnese · AutumnMonth summary
Peloponnese weather in September
✅ Good
🌡️ Temperature min / max
59°F – 81°F
🌧 Rainy days
16% of days
☀️ Sunshine
11.5h per day on average
🌊 🌊 Season
Autumn
⭐ ⭐ Weather score
8.8/10
📅 📅 Best month
June (9.2/10)
Quick decision
Should you visit Peloponnese in September?
✅ Good
✅ Yes if: you want good weather with lower prices than peak season.
❌ No if: you need guaranteed perfect weather — some mixed days are possible.
Our take: September is a good time to visit Peloponnese. June remains slightly better (+0.4 pts).
By trip type
Peloponnese in September by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ✅ Good
- 🏖️ Beach / swimming : ✅ Good
- 💰 💰 Budget : 💸 Peak season
Local context
What to expect in September
Autumn in Peloponnese is often underrated: 27°F, golden light and declining crowds. An interesting window. Rain risk remains low (16% of days), leaving good room for outdoor activities. A good balance between weather and crowds, even if June (9.2/10) 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 | 36°F | 50°F | 35% | 0.1in | 8.7h | 4.8/10 |
| 🌫️ February | 37°F | 52°F | 31% | 0.1in | 9.8h | 5.7/10 |
| ⛅ March | 39°F | 57°F | 36% | 0.1in | 10.8h | 6.7/10 |
| 🌤️ April | 45°F | 64°F | 25% | 0.1in | 12.2h | 7.4/10 |
| 🌤️ May | 52°F | 72°F | 29% | 0.1in | 13.0h | 8.1/10 |
| ☀️ June | 61°F | 82°F | 24% | 0.1in | 13.8h | 9.2/10 |
| ☀️ July | 66°F | 88°F | 12% | 0.0in | 13.6h | 8.7/10 |
| ☀️ August | 66°F | 86°F | 14% | 0.0in | 13.0h | 8.8/10 |
| ☀️ September | 59°F | 81°F | 16% | 0.1in | 11.5h | 8.8/10 |
| 🌤️ October | 52°F | 70°F | 20% | 0.1in | 10.4h | 7.8/10 |
| ⛅ November | 46°F | 59°F | 32% | 0.1in | 9.1h | 6.9/10 |
| 🌫️ December | 41°F | 52°F | 34% | 0.1in | 8.5h | 5.0/10 |
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, Peloponnese averages 81°F, 16% rainy days and 11.5h of sunshine per day. Overall weather score: 8.8/10.
See methodology →
Comparison
September vs June (best month)
The best month is June (score 9.2/10). Difference:
- 🌡️ Max temperature : +1°F
- 🌧 Rainy days : +8%
- ☀️ Sunshine : +2.3h/day
FAQ
FAQ — Peloponnese in September
Is September a good time to visit Peloponnese?
September is an excellent time to visit Peloponnese (score 8.8/10). With 81°F, 11.5h of sunshine and 16% rain, conditions are very favourable.
What to do in Peloponnese in September?
With 81°F and 11.5h of sunshine, all outdoor activities are possible: hiking, sightseeing and terraces.
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