The weather in September is normally warm as the capital enjoys the last few weeks of summer.
September is one of the liveliest months in London, with the city welcoming an exciting line-up of architecture, fashion and music festivals.
September Events in London
Enjoy a month-long celebration of London's river during Totally Thames. See large-scale art installations, catch concerts in unusual spaces and explore the history of the Thames through free exhibitions and archaeology walks.
Back on dry land, nose around some of the capital’s most interesting buildings during Open House London. This month is also your last chance to explore Buckingham Palace during its summer opening.
If you're more into fashion than architecture, catch up on the latest trends with catwalk shows, pop-up designer shops and expert-led panels at the London Fashion Week Festival.
Get set for the grand finale of the BBC Proms, the world’s largest classical music festival in September. Expect fireworks, live music and British eccentricity during the Last Night concert at BBC Proms in the Park.
Spend the final days of sunshine looking for artworks dotted around Regent’s Park during Frieze Sculpture, catch a film under the stars with The Luna Cinema and choose from comedy, circus and cabaret shows at the Underbelly Festival.
Experience a taste of Japanese culture with the whole family at Japan Matsuri, or join in a vibrant South Asian celebration at ZEE London Mela.
For more things to do in September in London, take a look at our events calendar and guide to what's on in London, or download a free copy of the September London Planner visitor guide. Plus, discover the top shows to see in September.
WEATHER: For average seasonal temperatures and rainfall, see our London Weather page.
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