Costa Brava · AutumnMonth summary
Costa Brava weather in September
✅ Good
🌡️ Temperature min / max
18°C – 24°C
🌧 Rainy days
31% of days
☀️ Sunshine
10.9h per day on average
🌊 🌊 Season
Autumn
⭐ ⭐ Weather score
7.9/10
📅 📅 Best month
July (9.6/10)
Quick decision
Should you visit Costa Brava in September?
✅ Good
✅ Yes if: you want shoulder-season value — fewer crowds, 24°C.
❌ No if: you need maximum sunshine — some overcast days are possible.
Our take: September is a good time to visit Costa Brava. July remains slightly better (+1.7 pts).
By trip type
Costa Brava in September by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ✅ Good
- 🏖️ Beach / swimming : ⚠️ Possible
- 💰 💰 Budget : 💸 Peak season
Local context
What to expect in September
🎯 Harvest season — fresh local produce at markets and restaurants Autumn in Costa Brava is often underrated: 24°C, golden light and declining crowds. An interesting window. Expect rain on 31% of days — a light raincoat in the bag is recommended. A good balance between weather and crowds, even if July (9.6/10) remains theoretically better.
Browse by month
All months for Costa Brava
Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | Sun h/d | Score |
|---|---|---|---|---|---|---|
| ⛅ January | 6°C | 13°C | 18% | 1.8 | 8.1h | 6.6/10 |
| ⛅ February | 7°C | 14°C | 23% | 1.5 | 9.1h | 7.0/10 |
| ⛅ March | 9°C | 15°C | 28% | 2.0 | 10.1h | 7.0/10 |
| ⛅ April | 11°C | 17°C | 26% | 2.5 | 11.8h | 7.2/10 |
| 🌤️ May | 14°C | 20°C | 27% | 1.9 | 12.8h | 7.7/10 |
| ☀️ June | 18°C | 25°C | 18% | 1.1 | 13.7h | 8.9/10 |
| ☀️ July | 21°C | 28°C | 12% | 0.7 | 13.7h | 9.6/10 |
| ☀️ August | 21°C | 28°C | 14% | 1.0 | 12.3h | 9.3/10 |
| 🌤️ September | 18°C | 24°C | 31% | 2.4 | 10.9h | 7.9/10 |
| 🌤️ October | 15°C | 21°C | 26% | 2.7 | 9.2h | 7.5/10 |
| ⛅ November | 11°C | 16°C | 30% | 2.2 | 8.4h | 7.0/10 |
| ⛅ December | 8°C | 14°C | 24% | 2.0 | 7.8h | 6.3/10 |
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, Costa Brava averages 24°C, 31% rainy days and 10.9h of sunshine per day. Overall weather score: 7.9/10.
See methodology →
Comparison
September vs July (best month)
The best month is July (score 9.6/10). Difference:
- 🌡️ Max temperature : +4°C
- 🌧 Rainy days : -19%
- ☀️ Sunshine : +2.8h/day
FAQ
FAQ — Costa Brava in September
Is September a good time to visit Costa Brava?
September is an excellent time to visit Costa Brava (score 7.9/10). With 24°C, 10.9h of sunshine and 31% rain, conditions are very favourable.
What to do in Costa Brava in September?
With 24°C max and 10.9h of sunshine, focus on cultural sites, museums and local gastronomy.
Accommodation
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Activities & tours
Activities and tours in Costa Brava
Guided tours, skip-the-line tickets and local experiences.
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