London hosts major fashion and cultural festivals in September 2026

London is set to host a variety of major cultural and fashion events in September 2026. London Fashion Week is scheduled to run from September 17–21, featuring runway shows, designer presentations, and public fashion events. The London Design Festival will also take place from September 12–20, with exhibitions and installations hosted across various museums and galleries.

Other notable activities include the Totally Thames festival, which features heritage events and the Great River Race on September 12. Cultural programming includes CelebrASIA at Battersea Power Station from September 11–13, and the Fleurs de Villes DIANA exhibition at Somerset House.

In the realm of style, London continues to influence global trends. Fashion figures such as Alexa Chung are highlighted as key influencers of the city's aesthetic, which often blends vintage elements with polished tailoring.