What to Wear When Visiting London in September: Packing Guide

Wondering what to wear in London in September? The key to a successful trip to London is to layer your outfits.

Light jackets and waterproof options are perfect for autumn sightseeing and museum visits.

According to fashion expert Jane Smith:

“Layering is essential for London in September, as temperatures can fluctuate significantly throughout the day. Be sure to pack a mix of sweaters, comfortable walking shoes, and a good umbrella.”

In this blog post, I’ll explore the average weather conditions, essential clothing items for both day and evening, and tips for dressing stylishly during your London travel.

From packing lists to evening attire, I’ll ensure you’re ready for everything from visiting the Tower of London to enjoying a night out.

A girl in Heavy Rain in London

Weather in London in September

London in September is still warm, especially early in the month, but it gets cooler towards the end.

Expect mild temperatures overall and around eight days of rain.

  • Average high: 20°C (68°F) and drops too 18°C(64°F) by the end.
  • Average low: 15°C (59°F) and drops to 18°C(64°F) by the end.

🌧️Rainfall

Rainfall in September in London.

Rainfall is moderate, averaging 54 mm (2.1 inches), with rain expected in 12 to 15 days.

The chance of rain drops from 49% on September 1st to 42% by September 30th, with light rain being most common.

🌡Humidity

Humidity varies between 53% and 89%, with the driest air around September 8th. London enjoys about 155 hours of sunlight during the month.

Overall, September features mild temperatures, moderate rain, and shorter daylight hours as autumn sets in.

September marks the start of autumn and is the fourth-warmest month, similar to June. 

The UK has a mild climate, with occasional storms but few major weather events.

Be prepared for quick weather changes, as rain can come unexpectedly. You might experience dry spells or frequent showers; it’s all about luck!

☀️Daylight hours

Daylight hours in September in London.

In London, the daylight hours in September gradually decrease as the month progresses.

According to time and date, the average daylight hours in September are around 12 hours, with the earliest sunrise on September 1st at 6:13 AM and the latest sunset on September 1st at 7:45 PM.

The daylight hours are shorter by about 1 hour and 32 minutes from the beginning to the end of the month.

A travel bag with all accessories

What to pack

For your visit to London in September, pack light layers like t-shirts, cardigans, and jumpers. Include a waterproof jacket.

Comfortable sneakers and sandals are needed for different weather.

Bring summer dresses, trousers, and tights for versatile outfits. Expect a lot of walking, so comfortable shoes are a must.

Evenings can get colder, so pack a stylish coat and warmer layers like a jumper or cardigan.

Don’t forget a travel umbrella and sunglasses. Essentials include socks, undergarments, and personal toiletries.

Prepare for indoor attractions and changing weather with lots of layers in your packing list for London.

Let’s discuss the recommended clothes for the daytime and evening in detail and also give some tips from my personal experience.

For more information on exploring London, check out our next post on What to Wear in London in June!

👗 Clothing Recommendations for Daytime

Clothing Recommendations for Daytime in September in London.

When packing for London in September, keep these essential items in mind to ensure you’re ready for whatever the city’s weather brings:

Light Layers

Why: September in London can be unpredictable, with temperatures fluctuating throughout the day.

Packing light layers is essential for staying comfortable.

Tips from Personal Experience:
  • Mix and Match: Leggings, t-shirts, and light sweaters are versatile pieces that can be layered as needed.
  • Planning What to Wear: Check the weather forecast before your trip and plan your outfits accordingly to ensure you’re prepared for any changes.
Expert Advice:

London Travel Guide: Layering is key when visiting London in September. Bring leggings and lightweight tops that you can easily add or remove as the temperature shifts.

Waterproof-Jacket vector

Waterproof Jacket

Why: London is notorious for its sudden rain showers, even in September. Be prepared with a waterproof jacket to stay dry.

Tips from Personal Experience:
  • London Packing List: Make sure a waterproof jacket is on your London packing list, regardless of the forecast.
  • Quality of Jacket: Invest in a quality waterproof jacket that will keep you dry without adding too much bulk to your luggage.
Expert Advice:

London Travel Guide: A waterproof jacket is a must-have when going to London in September. Look for one that is lightweight and easy to pack in your luggage.

Comfortable Shoes vector

Comfortable Shoes

Why: Exploring London requires a lot of walking, so comfortable shoes are essential for a pleasant experience.

Tips from Personal Experience:
  • London Travel Guide: Choose comfortable shoes, like sneakers or walking shoes, that will support your feet during long days of sightseeing.
  • Planning What to Wear: Pack comfortable shoes that have been broken in to avoid blisters while exploring the city.
Expert Advice:

London Travel Guide: Comfortable shoes are a must when visiting London in September. Opt for sneakers or walking shoes that will keep your feet happy during long days of sightseeing.

Accessories-for-rainy-weather vector

Accessories

Why: Accessories like umbrellas and sunglasses are essential for handling London’s unpredictable weather.

For more information on exploring London, check out our next post on Exploring the best TK Maxx Stores in London!

Tips from Personal Experience:
  • London Packing List: Don’t forget to include essentials like an umbrella and sunglasses on your London packing list. Be prepared for any weather by packing accessories like an umbrella and sunglasses, even if the forecast looks sunny.
Expert Advice:

London Travel Guide: Pack essentials like an umbrella and sunglasses to prepare for the unpredictable weather you may encounter in London in September.

Following these clothing recommendations and tips ensures a comfortable and enjoyable September trip to London, exploring the city’s sights and attractions.

Clothing Recommendations for Evening

When preparing your evening attire for September nights in London, consider these essentials to stay stylish and comfortable in the city’s unpredictable weather.

Warmer Layers

Warmer Layers clothing in September in London.

Why: Evenings in September can get chilly, so layering up with warmer clothing is essential for staying cozy.

Tips from Personal Experience:
  • Packable Waterproof Jacket: A packable waterproof jacket is ideal for the mild weather in London and the UK. It protects you from sudden showers, ensuring you stay dry and comfortable.
  • Removable Fleece or Zip-off Legs: Opt for clothing items with removable features like zip-off legs or a removable fleece. This allows you to adjust your layers depending on the weather.
Expert Advice:

Travel Blogger: For evenings in mid-September, always check the weather forecast and pack accordingly. Layering is key to staying comfortable in the ever-changing weather of London.

Stylish Coat or Jacket

Why: A stylish coat or jacket not only keeps you warm but also adds a touch of sophistication to your evening look.

Tips from Personal Experience:
  • Versatile Options: Choose a versatile coat or jacket that can be dressed up or down depending on the occasion. A classic trench coat or a stylish blazer works well for exploring London’s nightlife.
Expert Advice:

Fashion Stylist: For London evenings in September, choose a versatile coat or jacket that complements various outfits. A travel umbrella or a scarf is a must-have accessory to protect you from any sudden downpours.

Dressy Shoes or Boots

Why: Completing your evening outfit with dressy shoes or boots adds an elegant touch. Such dressy shoes ensure you’re prepared for any occasion.

Tips from Personal Experience:
  • Comfort is Key: Choose comfortable yet stylish footwear like ankle boots or dressy flats. London is ideal for exploring on foot, so make sure your shoes are comfortable for walking.
Expert Advice:

Footwear Expert: For evenings around London in September, opt for dressy shoes or boots with comfortable soles.

For more information on exploring London, check out our next post on Planning Your First Trip to London in 7 Days!

Tips for Dressing in London in September( Personal Experiences)

Here is my personal experience that will help you to dress in London in September.

Check the Weather Forecast

I always make it a good choice to check the weather forecast before I head out. London’s great British weather can be unpredictable, so knowing what to expect helps me prepare accordingly.

Dress in Layers

Layering is key for me in September.

I find it helpful to dress in layers so I can easily adjust to the changing temperatures throughout the day, especially on colder days.

Choose Versatile Pieces

I like to pack versatile clothing items that I can mix and match. Whether I’m in London for a week or a year, I’m always ready for any occasion without overpacking.

Consider Dress Codes

Whenever I have events or activities planned indoors, I make sure to consider the dress code.

It’s important to blend in with the locals while still expressing my style.

Frequently Asked Questions

How did I enjoy London in September?

In September, I’d enjoy London by exploring its parks, trying different foods, visiting museums, and attending festivals. I might also take walks along the Thames River and enjoy the city’s vibrant atmosphere.

Is September a good time for London?

Yes, September is generally a good time to visit London. The weather is mild, with comfortable temperatures and fewer crowds compared to peak tourist season. There are plenty of events, festivals, and cultural activities to enjoy throughout the month.

What is going on in London in September?

In September, London hosts events like the Totally Thames Festival and London Design Festival. You can explore landmarks such as the Tower of London and enjoy open-air events like Open House London. There are cultural performances, art exhibitions, and food festivals happening throughout the month.

Is London still hot in September?

In September, London’s temperature starts to cool down from the summer heat. However, it can still be relatively warm, with average highs around 20°C (68°F).
It’s not unusual for the weather to vary between hot and cold. Towards the end of the month, it can get very cold, prompting the need for a winter coat.
London’s maritime climate means weather changes can occur. So, it’s wise to check forecasts for accurate updates.

Conclusion

For September in London, prepare with versatile outfits and essential items like light layers and waterproof jackets, and stay updated on the weather.

With these preparations, you’ll be well-equipped to explore London’s attractions comfortably, whether it’s daytime sightseeing or evening outings. 

From experiencing the city’s cultural events to navigating its great British weather, September in London offers a delightful mix of activities for travelers to enjoy.

Meet Martin, your London Blue Badge Tourist Guide with over 30 years of teaching experience and a decade as a Headteacher. Passionate about unveiling London's wonders, my walking tours span Royal London, themed adventures, and exclusive access to iconic landmarks.

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