
Biarritz in September
Biarritz in September
Biarritz
Visiting Biarritz in September means experiencing the autumn. During autumn, Biarritz offers crisp air, changing colours, and a cosy atmosphere.
Weather in Biarritz in September
Average highs around 23.5C and lows near 15.5C. 133.7mm average precipitation and about 14 rainy days. September typically sits between August and October conditions, so it is useful for travelers wanting a balanced window in Biarritz. Pack quick-dry clothing and a light waterproof layer for September.
Temperature
September brings autumn conditions in Biarritz. The average temperature is about 19.5C, with lows near 15.5C and highs around 23.5C.
Sunshine Hours
Biarritz usually gets around 9.7 hours of sunshine per day in September, with roughly 12.5 daylight hours available for sightseeing.
Rain
September sees around 133.7mm of rainfall over about 14 days. Rain can occur for around 6.2 hours per day on average.
Humidity
Humidity in September is generally humid for Biarritz, especially when rainfall periods increase.
Additional Information
Average winds are around 16.9 km/h, so pack layers that handle changing conditions. Pack quick-dry clothing and a light waterproof layer for September.
Our September Hotel Picks for Biarritz

Brindos, Lac & Château
Elegant lakeside property offering formal suites, fine dining, an outdoor pool & a bar.
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Hôtel Villa KOEGUI Bayonne
Chic quarters in a contemporary hotel featuring a sauna & a fitness room, plus a restaurant/bar.
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Hôtel du Palais Biarritz
Circa-1850s retreat offering opulent rooms, dining with sea views, a lavish spa & 2 pools.
View hotelWhat to Do in Biarritz in September

Surfing at the Grande Plage
Surfing at the Grande Plage is an electrifying experience every avid traveler must add to their list of things to do in Biarritz. Nestled in the heart of this stunning coastline, Grande Plage offers waves that cater to both beginners and seasoned surfers. For frequent travelers and adventure enthusiasts, Biarritz presents an unparalleled surf scene in France, making it an ideal destination for your next adventure. Our AI Travel Agent and Trip Planner App can assist in securing cheap flights and uncovering fantastic deals on nearby accommodations and equipment rentals. With a mix of affordable prices and thrilling activities, Grande Plage is a must-visit for anyone planning a trip to Biarritz. Let our AI Travel guide create an unforgettable journey and explore the vibrant surf culture as you ride the waves at one of Biarritz's most iconic beaches.
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City Ocean
Sleek, modern space housing an ocean museum with interactive exhibits, animations & virtual surfing.
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Pierre Forsans Public Garden
Explore activityTravel tips for Biarritz in September
Pack quick-dry clothing and a light waterproof layer for September. Book accommodation earlier when events overlap with peak weekends, and keep an eye on changing weather windows for day trips.






