French Basque Country weather in September [2026]

Month summary

French Basque Country weather in September

✅ Good

🌡️ Temperature min / max

57°F – 73°F

🌧 Rainy days

41% of days

☀️ Sunshine

10.6h per day on average

🌊 🌊 Season

Autumn

⭐ ⭐ Weather score

7.5/10

📅 📅 Best month

August (8.1/10)

Quick decision

Should you visit French Basque Country in September?

✅ Good

✅ Yes if: you want shoulder-season value — fewer crowds, 23°F.

❌ No if: you need maximum sunshine — some overcast days are possible.

🌧 Rain : ████░░░░░░ 41%

🌡 Temperature : ██████░░░░ 73°F

☀️ Sunshine : ████████░░ 10.6h/d

Our take: Favourable conditions in September (7.5/10). August scores higher but the gap is small.

By trip type

French Basque Country 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

Autumn in French Basque Country is often underrated: 23°F, golden light and declining crowds. An interesting window. Expect rain on 41% of days — a light raincoat in the bag is recommended. A good balance between weather and crowds, even if August (8.1/10) remains theoretically better.

Browse by month

All months for French Basque Country

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Annual table

Month-by-month comparison

Month	Min °F	Max °F	Rain %	Precip in	Sun h/d	Score
🌦️ January	39°F	50°F	47%	0.2in	5.9h	4.0/10
🌦️ February	41°F	55°F	43%	0.1in	7.8h	4.7/10
🌦️ March	43°F	57°F	55%	0.2in	9.0h	4.5/10
🌦️ April	46°F	61°F	51%	0.2in	10.1h	6.1/10
🌦️ May	50°F	64°F	54%	0.1in	11.6h	7.0/10
🌦️ June	57°F	73°F	50%	0.2in	11.8h	7.4/10
🌤️ July	61°F	75°F	38%	0.1in	12.5h	8.0/10
🌤️ August	61°F	77°F	35%	0.1in	11.9h	8.1/10
🌤️ September	57°F	73°F	41%	0.1in	10.6h	7.5/10
🌦️ October	52°F	68°F	41%	0.1in	8.6h	7.1/10
🌦️ November	45°F	57°F	53%	0.2in	6.5h	4.1/10
🌦️ December	41°F	54°F	45%	0.2in	5.5h	4.1/10

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, French Basque Country averages 73°F, 41% rainy days and 10.6h of sunshine per day. Overall weather score: 7.5/10. See methodology →

Comparison

September vs August (best month)

The best month is August (score 8.1/10). Difference:

🌡️ Max temperature : +2°F
🌧 Rainy days : -6%
☀️ Sunshine : +1.3h/day

FAQ

FAQ — French Basque Country in September

Is September a good time to visit French Basque Country?

September is an excellent time to visit French Basque Country (score 7.5/10). With 73°F, 10.6h of sunshine and 41% rain, conditions are very favourable.

What to do in French Basque Country in September?

With 73°F max and 10.6h of sunshine, focus on cultural sites, museums and local gastronomy.

Accommodation