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San Sebastián Weather in September

Spain

Summer warmth persists with pleasant 73°F temperatures as crowds thin considerably, offering ideal conditions for beach visits, hiking and enjoying San Sebastian's culinary scene without overwhelming tourist masses.

Avg High

24°C

Avg Low

17°C

Daily Rain

4mm

Rainfall

Moderate

💡 Best months to visit San Sebastián: Jul, Oct, Aug

San Sebastián Weather by Month

Month	High	Low	Rain
Jan	11°C	5°C	6.4mm
Feb	14°C	7°C	3.3mm
Mar	16°C	9°C	3.7mm
Apr	16°C	9°C	4.8mm
May	19°C	12°C	3.3mm
Jun	23°C	16°C	3.5mm
Jul	24°C	17°C	1.9mm
Aug	24°C	17°C	4mm
Sep	24°C	17°C	4mm
Oct	23°C	15°C	2.6mm
Nov	15°C	10°C	9.1mm
Dec	15°C	9°C	6.8mm

About San Sebastián

Savor world-renowned Basque cuisine, surf pristine beaches, and embrace the refined elegance of Spain's most sophisticated coastal gem.

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