September is one of the best months to visit Lisbon, and you should go if you get the chance.

At this time of year, the city will be basking in the warm, golden glow of late summer and its outdoor culture will be in full swing.

The weather in September is at its finest, with warm sunny days that have shed the intense heat of midsummer, while retaining a pleasant warmth that is ideal for sightseeing and outdoor activities.

This is the perfect month for exploring Lisbon, enjoying the beaches and indulging in the local cuisine, without the summertime crowds.

Visiting in September is fantastic as the city is still vibrant with summer energy but not overrun with tourists, offering a more relaxed experience.

Since this is just outside of the peak tourist season, flights and accommodation are generally more affordable. It is an excellent month for spontaneous trips and city breaks.

This article will explain why you should visit Lisbon in September and help you to get the most from your trip.

Rossio plaza in central Lisbon on a bright sunny day in September

September is an outstanding month to discover Lisbon and its surrounding region. Some of the highlights that you should not miss include:
• Exploring the ancient streets of Alfama, winding through narrow alleys up to the historic castle while enjoying the charming views and unique architecture.
• Taking a day trip to Sintra and marvelling at its spectacular palaces and villas, including the vividly colourful Palacio de Pena.
• Discovering the delightful riverside district of Belém, home to the iconic Torre de Belém and rich in maritime history and culture.
• Heading to the stunning beaches of Cascais on a warm, sunny day for relaxation, sunbathing, and enjoying the scenic coastline.
• Watching the sunset on a romantic boat tour along the Tejo Estuary, taking in the beautiful evening views of Lisbon's waterfront.
• Trying Portugal’s unique cuisine at one of the many excellent restaurants, savouring traditional dishes like bacalhau and pastéis de nata. (Lisbon food guide)
• Socialising with new friends in Bairro Alto’s bars, enjoying the vibrant nightlife and lively atmosphere of this popular district. (Lisbon nightlife guide)
• Browsing the varied stalls of the Feira da Ladra market on Tuesdays and Sundays, finding unique antiques and local crafts.
• Surfing the huge waves of the Costa da Caparica coastline, a popular destination for surfers looking for thrilling adventures.
• Seeing the vibrant murals and urban art in Graça, an eclectic district known for its creative and colourful street art.
• Taking in the panoramic views from the Cristo Rei viewpoint, capturing breathtaking sights of the city and the suspension bridge.

The Ponte 25 de Abril as seen from the Cristo Rei viewpoint

Lisbon enjoys some of its best weather in September, with bright, sunny days and comfortable evenings. The transition from the peak heat of summer to the cooler autumn makes it an ideal time to visit.

Official statistics for Lisbon in September state a daytime high of 26°C (79°F) and a nighttime minimum of 18°C (64°F). There are typically around six days during the month with some rain, and an average of 8.5 hours of sunshine per day, with a UV index of 7.

Monthly averages can vary, but the key point is that there are still plenty of sunny hours each day. Occasional grey or wet spells may occur but tend to be brief.

The weather is warm enough for beach trips and outdoor activities, yet mild enough to enjoy walking tours and sightseeing without the fatigue caused by high summer temperatures. In the evenings, a light breeze often cools the city, making for pleasant nights out.

Simply put, September offers some of the best weather for enjoying all that Lisbon has to offer.

Lisbon in September is fantastic. The pleasant summertime weather continues to energise the city – people are still visiting the beaches, outdoor dining venues are thriving, and Lisbon’s outdoor culture is at its peak.

The summer season may have wound down, but the city remains vibrant with plenty of events and activities. It will still be busy, and there can be very long queues at the popular tourist attractions, such as the castle or the Mosteiro dos Jerónimos.

In September, Lisbon’s nightlife is lively. Every night, the bars and clubs of Bairro Alto and Pink Street are filled with tourists and locals enjoying the warm evenings. Weekends see socialising spilling onto the streets, creating a welcoming and fun atmosphere.

The number 24 tram passing through Príncipe Real neighbourhood

September is a wonderful time to visit Lisbon, but it's important to book your accommodation early to secure the best prices. While it's just outside the peak season, demand for hotels and rentals remains high with visitors looking to enjoy the city’s late-summer charm.

To find the perfect place to stay, use the map below to see the location of hotels and rental rooms in Lisbon. Adjust the dates to fit your trip, and the map will display current availability and prices:

Booking.com

The warm, pleasant weather of September makes it the perfect time for sightseeing in and around Lisbon. The city's many varied districts are waiting to be explored, and there are plenty of fantastic day trips to enjoy. Here are some top recommendations for your sightseeing adventures:

Sintra – Discover the enchanting town of Sintra, where wonderous palaces, ruinous castles and opulent villas are nestled within the lush hills of the Serra de Sintra. Don't miss the colourful and iconic Palacio de Pena, which offers spectacular views and rich history. Our Sintra guide

Cascais – Head to Cascais, the best beach resort close to Lisbon. Enjoy its beautiful sandy beaches, elegant 19th-century buildings, and vibrant marina. It's perfect for a relaxing day by the sea or a leisurely stroll through charming streets. . Our Cascais guide

Setúbal – Visit Setúbal, a traditional fishing port that boasts an authentically Portuguese atmosphere. Famous for its fresh seafood, the town offers delicious dining experiences and picturesque views of the Sado River and Arrábida Mountains. Our Setubal guide

Évora – Travel to Évora, a charming city in the Alentejo region with a rich and varied history. Explore its well-preserved medieval walls, Roman Temple, and the stunning Cathedral of Évora. The city's unique blend of architecture and culture makes it a fascinating destination. Our Evora guide

Óbidos – Step back in time in Óbidos, a delightful walled city with medieval charm. Wander through narrow, cobbled streets, admire the whitewashed houses adorned with vibrant bougainvillea, and visit the impressive Óbidos Castle. Our Obidos guide

Sesimbra – Escape to Sesimbra, a pretty beach town surrounded by the hills of the Serra da Arrábida. The town offers pristine sands, crystal-clear waters and excellent seafood restaurants. It's an ideal spot for relaxation and water activities. Sesimbra guide

Costa da Caparica – For surf enthusiasts, Costa da Caparica is a must visit. This modern resort town is renowned for its magnificent surfing beaches, long stretches of golden sand and lively beach bars. It's a great place to catch some waves or simply enjoy the coastal vibe. Costa da Caparica guide

Óbidos is a tradition Portuguese walled city

When packing for Lisbon in September, it’s important to consider the city's mild but occasionally variable late-summer weather. To stay comfortable, focus on layering: pack lightweight, breathable items such as t-shirts, long-sleeve shirts and a medium-weight sweater or cardigan for cooler evenings. A light raincoat or umbrella might be needed for the occasional showers. For bottoms, comfortable jeans, trousers or skirts are suitable, and don’t forget your swimwear for beach days.

Footwear should prioritise comfort and versatility, as Lisbon's cobbled streets and hills can be challenging to navigate. Comfortable walking shoes, preferably waterproof, are a must, and you might want to include a pair of more formal shoes for evening outings. Lisbon’s nightlife and dining scenes are vibrant yet relaxed, so pack a smart-casual outfit for these occasions.

Lisbon in September is ideal for a last-minute city break, offering perfect weather, fewer crowds and a vibrant atmosphere. Here's a suggested two-day plan to immerse yourself in the city’s charm.

Day 1: Alfama District
Begin your Lisbon adventure in Alfama, the city’s oldest quarter. Stroll through the narrow, winding streets lined with pastel-coloured houses. Don’t miss the São Jorge Castle, perched atop a hill, offering panoramic views of the city. Enjoy a traditional Portuguese breakfast at a local pastelaria, indulging in pastéis de nata (custard tarts).

Afternoon: Baixa and Chiado
Head to the Baixa district, renowned for its neoclassical architecture and bustling squares like Praça do Comércio. Lunch at a café in Chiado, Lisbon’s elegant shopping district. Visit the famous Bertrand Bookstore, considered the world’s oldest operating bookshop.

Evening: Bairro Alto
As evening sets in, wander up to Bairro Alto, a picturesque neighbourhood known for its lively nightlife. Dine at a Fado restaurant, where the soulful sounds of traditional Portuguese music complement your culinary experience.

Day 2:
Morning: Belém District
Start your second day in Belém, the district famous for its monuments and museums. Visit the Jerónimos Monastery and the Tower of Belém, both UNESCO World Heritage Sites. Don’t forget to try a pastel de Belém, the original version of the custard tart.

Afternoon: LX Factory and Alcântara
Explore the LX Factory, a creative hub set in a repurposed industrial complex, offering quirky shops, cafes and art spaces. Then, head to the MAAT - Museum of Art, Architecture and Technology - for a glimpse of contemporary culture.

Evening: Sunset Cruise
Conclude your weekend with a sunset cruise along the Tejo Estuary, taking in the sights of the city with a waterside view. This is a romantic activity for a couple on one of the many sailing boats, or riotously fun on a party boat.

The Torre de Belém.

Day 3: Sintra day trip
A day trip to Sintra is a must for any holiday to Lisbon. Be flexible with this day and choose to visit when the weather is best.

There is so much to see in Sintra; a typical day includes visiting the whimsical Pena Palace, exploring its colourful terraces and magnificent staterooms, followed by an afternoon at the mysterious Quinta da Regaleira with its enchanting gardens.

Further options include the ruins of the Moorish castle and its stunning views, the historic Sintra National Palace, or the Arabian-inspired Monserrate. There is so much to see in Sintra that you could easily spend two days here.
Travel: Sintra is connected to Lisbon by regular and inexpensive train service.

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