London — travel photo

🇬🇧 London · Autumn (Sep–Nov)

What to wear in London in September

Highs20°C (68°F)
Lows12°C (54°F)
Rainy days~8
Daylight12.5 h
CrowdsModerate

September averages for London (Greenwich Park). Source

September is often pleasant and dry — a good time to visit as crowds thin and Open House London opens famous buildings. Summer clothes plus a light jacket.

☀️ By day

Summer clothes plus a light jacket — often dry and pleasant.

🌙 Evening

Knit or jacket for evenings around 12°C.

What's on in September

Typical dates. Many festivals follow lunar calendars, so check this year's dates before you book.

Open House London

September

Hundreds of normally private buildings open for free tours. Comfortable shoes and layers.

London Fashion Week (spring/summer)

Mid-September

Street style returns to Soho; trench coats and tailored trousers fit the season.

September packing essentials

Your September outfit list

Also pack

Showing more covered picks for travellers from India.

Dress code

  • No formal dress code in the city; smart-casual covers almost everything.
  • Some upscale restaurants, theatres and clubs discourage sportswear and trainers in the evening.
  • Cover shoulders for religious sites such as mosques and gurdwaras; Westminster Abbey and St Paul's are relaxed but respectful dress is expected.

Full dress code, activities and common mistakes →

Good weather elsewhere in September

All destinations →