Will I need a jacket in London in September?

Yes — average lows hit about 52°F, so plan on a light jacket or cardigan for mornings and evenings.

Is September rainy in London?

Expect roughly 9 days of rain across the month. Pack a compact umbrella and shoes that can handle wet pavement.

September Packing List for London – What to Wear & Bring

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Essentials

If you only pack a few things, pack these.

Light Waterproof JacketEssential
September marks the turn towards autumn; a waterproof jacket is essential for the 9 days of rain and cooler average highs of 66°F.
Mid-weight Sweaters or CardigansEssential
Perfect for layering, these will keep you warm as London's evenings begin to get chilly, with lows dropping to 52°F.
Long-Sleeved TopsEssential
A versatile base layer that works on its own during a mild 66°F afternoon or under a sweater for a cooler day.
Water-Resistant Ankle BootsEssential
Ankle boots are ideal for September in London, keeping your feet dry from the rain and warm when the temperature drops to 52°F.
Comfortable Trainers or Walking ShoesEssential
You'll still be doing plenty of walking, so a reliable, comfortable pair of shoes is non-negotiable for exploring London.
Compact UmbrellaEssential
With autumn approaching, the chance of rain increases. An umbrella is a must-have for the 9 days of precipitation in London.
Lightweight ScarfEssential
A scarf is the perfect accessory for this transitional month, adding warmth on a breezy day or during a cool 52°F evening.

Clothing

Light Waterproof JacketEssential
September marks the turn towards autumn; a waterproof jacket is essential for the 9 days of rain and cooler average highs of 66°F.
Mid-weight Sweaters or CardigansEssential
Perfect for layering, these will keep you warm as London's evenings begin to get chilly, with lows dropping to 52°F.
Long-Sleeved TopsEssential
A versatile base layer that works on its own during a mild 66°F afternoon or under a sweater for a cooler day.
Dark Wash Jeans or TrousersRecommended
A London staple, these are practical for unpredictable weather and look stylish for exploring everywhere from the Tate Modern to a local pub.
BlazerOptional
A smart blazer can dress up a casual outfit for a nice dinner or a West End show, perfect for London's eclectic style.

Footwear

Water-Resistant Ankle BootsEssential
Ankle boots are ideal for September in London, keeping your feet dry from the rain and warm when the temperature drops to 52°F.
Comfortable Trainers or Walking ShoesEssential
You'll still be doing plenty of walking, so a reliable, comfortable pair of shoes is non-negotiable for exploring London.
Stylish LoafersRecommended
A great choice for dry days, loafers are comfortable for walking and add a touch of polish to your London look.

Accessories

Compact UmbrellaEssential
With autumn approaching, the chance of rain increases. An umbrella is a must-have for the 9 days of precipitation in London.
Lightweight ScarfEssential
A scarf is the perfect accessory for this transitional month, adding warmth on a breezy day or during a cool 52°F evening.
Crossbody BagRecommended
A secure and convenient way to carry your essentials, keeping your hands free for taking photos or holding your umbrella.
SunglassesOptional
September can still have bright, sunny days, and you'll be glad you have sunglasses for them.

Local tips for London in September

Check out the Totally Thames festival, a month-long celebration of the River Thames with arts festivals, community events, and concerts.

The Open House London festival often happens in September, giving you free access to hundreds of buildings not usually open to the public.

The leaves start to change color in London's parks towards the end of the month. Take a walk through Richmond Park to see the deer in the autumn light.

Want the full picture? 12 outfit lookbooks for London in Fall, plus restaurant + day-trip dress codes →

FAQ — London in September

Yes — average lows hit about 52°F, so plan on a light jacket or cardigan for mornings and evenings.
Expect roughly 9 days of rain across the month. Pack a compact umbrella and shoes that can handle wet pavement.
The leaves start to change color in London's parks towards the end of the month. Take a walk through Richmond Park to see the deer in the autumn light. See our full shoe picks for September: full shoe guide →

More tools for London in September

What to wear

Outfit ideas for London in September →

Layering looks and style guidance matched to the month's weather.

Best shoes

Shoe picks for September →

Waterproof, breathable, insulated — matched to the month.

Pack or skip

Umbrella? Winter coat? Sunscreen? →

Item-by-item verdict for September.

Comfort check

Will I be cold or hot? →

Day and night temp bands for September.

Packing tools

Decide jackets, outfits, shoes, and bag fees for London in September

Free calculators — city and month pre-filled when we know them. No account required. Start with how many outfits, sudoku packing, or bag fees.

Trip

Planning a trip to one city?

One city → typical weather for your month, packing counts that fit your bags, and email your plan.

Outfits

How many outfits for this trip?

Trip length, bag size, and climate → exact tops, bottoms, layers, and outfit combinations.

Jacket

Not sure about a jacket?

City + month → base / mid / shell stack and pack-or-skip verdicts for rain jacket, coat, and thermals.

Shoes

Shoes for this climate?

Climate, activities, and bag size → pair count, primary/backup types, and climate-matched picks.

Bags

Will this trip cost bag fees?

Airline + fare bucket + bags you plan to bring → fit verdicts and typical carry-on / checked fee ranges.

Capsule

Try sudoku packing for this climate?

City + month → climate-ready 3 tops / 3 bottoms / 3 layers you can edit — up to 27 mix-and-match outfits.

All packing tools

Style Guide

London Fall 2026 Packing Guide

Pack smart for a stylish, weather-proof trip to London in fall

$19Get the Guide →

September Packing List for London — What to Wear & Bring

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