September in London: Weather and Events Guide

What to See and Do in London in September

Thames Clipper
••• Enjoy riverside celebrations as part of the annual Totally Thames festival. Photo credit: MBNA Thames Clippers

London is beautiful in the fall. It's growing colder but there's still plenty to do. Follow these simple guidelines to ensure you're prepared for your trip to London.

September Weather

  • Average High: 66°F (19°C)
  • Average Low: 51°F (11°C)
  • Average wet days: 9 days
  • Average daily sunshine: 4.5 hours

What To Wear

  • Some days can be sunny and warm; some cloudy and rainy. It's best to pack layers and a light jacket
  • Always bring an umbrella when exploring London!

September Highlights

  • Open House London (usually the 3rd weekend of September). More than 700 of London's finest buildings open their doors to visitors as part of this annual celebration of architecture and design. All admissions are free but you'll need to pre-book to enter some of the most popular buildings.
  • Totally Thames (September 1-30). This month-long festival brings the River Thames to life through a series of cultural events including regattas, river races, art exhibitions and music performances.  

September Annual Events

  • Angel Canal Festival (early September). The family-friendly event along Regents Canal in Islington. Expect craft activities, live music, and food stalls. 
  • BBC Proms in the Park (mid-September). Britain's largest open-air classical music event. 
  • London Fashion Week (mid-September). London-wide twice yearly trade show for designers, fashion editors, buyers, and bloggers. 
  • London Design Festival (mid-September). A celebration of design in London via a full calendar of talks, exhibitions, and creative projects.
  • Great River Race (early September). A 21.6-mile boat race along the River Thames that attracts 300+ crews from across the globe. 
  • Horseman's Sunday (3rd Sunday in September). A historic event that sees over 100 horses parade led through Hyde Park led by the vicar of St John's Church.
  • Great Gorilla Run (Saturday in late September). A charity run to raise money and awareness for the Gorilla Organization. Watch runners in gorilla suits follow an 8km route through the City of London.
  • Heritage Open Days (early September). A yearly celebration of history, architecture, and culture across England with many free events taking place at heritage attractions in London.
  • International London Tattoo Convention (late September). The annual convention that attracts over 300 of the world's most prestigious tattoo artists.

Ongoing Events