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Lisbon seen from the Tagus

Portugal itinerary — September 2026

For the Portugal trip (Lisbon & Porto), September 2026 is a comfortable month by weather. Daytime highs run from about 24°C / 75°F to 26°C / 79°F across the stops. Plan around 7–9 days for the full Lisbon & Porto loop.

In this order — about 7–9 days:

  1. Lisbon4 nights
  2. Porto3 nights
  • Route noteReserve the longest intercity leg first and keep transfer days free of timed sights.
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By TripSapien Research · Updated May 20, 2026

1

Lisbon

Lisbon in September

Temp

79°F / 64°F

26.3°C / 17.7°C

Rain

4d

1.6in · 40mm

Light

12.2h

Sea

65.1°F

18.4°C

September stays warm with more showers, and Cascais or Sintra day trips work best with morning forecasts.

City overview

Lisbon is a Tagus River capital built across seven hills, with Alfama lanes, Baixa Pombalina grids, Bairro Alto climbs, and Belém monuments showing how the 1755 earthquake and Atlantic navigation shaped the city. Baixa and Chiado make the central walking spine, Alfama and Graça hold the older Moorish street pattern, and Parque das Nações adds the Expo 98 riverfront east of the center.

Food & drink

Lisbon food centers on pastéis de nata, bacalhau à brás, grilled sardines, caldo verde, bifana sandwiches, amêijoas à Bulhão Pato, ginjinha, and seafood rice. Time Out Market in Mercado da Ribeira, Rua das Portas de Santo Antão, Belém pastry shops, Alfama fado restaurants, and Cais do Sodré counters give the most useful first eating route.

Events & festivals

  • Sep 18 – Sep 26

    Queer Lisboa

    International LGBT Film Festival.

    Source: TripSapien festival dataset

Top sights

Ranked for September suitability using weather, setting, ratings, and review volume.

Map of Lisbon with pinned top attractions (1 through 10)
  1. 1Praça do Comércio
  2. 2Padrão dos Descobrimentos
  3. 3Torre de Belém
  4. 4Santa Justa Lift
  5. 5Oceanário de Lisboa
  6. 6Calouste Gulbenkian Museum
  7. 7Museu Nacional de Arte Antiga
  8. 8Castelo de São Jorge
  9. 9Mosteiro dos Jerónimos
  10. 10Sé de Lisboa
  • Praça do Comércio in Lisbon1

    Praça do Comércio

    4.7outdoorOpen daily

    This riverfront square replaced the royal palace area after the 1755 earthquake and opens Baixa toward the Tagus. The Arco da Rua Augusta frames the grid of Rua Augusta behind the equestrian statue of King José I.

    Wikipedia
  • Padrão dos Descobrimentos in Lisbon2

    Padrão dos Descobrimentos

    4.6outdoorOpen daily

    The Monument to the Discoveries faces the Tagus near Belém, with sculpted figures connected to Portuguese navigation. The riverside position explains Lisbon as an Atlantic port rather than only a hill city.

    Wikipedia
  • Torre de Belém in Lisbon3

    Torre de Belém

    4.5outdoor

    Belém Tower stands at the Tagus mouth area as a Manueline river fortress and ceremonial landmark. It pairs naturally with the Monument to the Discoveries and Jerónimos Monastery along the western waterfront.

    Wikipedia
Show 7 more sights
  • 4Santa Justa Lift
  • 5Oceanário de Lisboa
  • 6Calouste Gulbenkian Museum
  • 7Museu Nacional de Arte Antiga
  • 8Castelo de São Jorge
  • 9Mosteiro dos Jerónimos
  • 10Sé de Lisboa

Neighborhoods

  • Alfama and Graca in lisbon pt1

    Alfama and Graça

    Alfama and Graça are steep, irregular, and old, with São Jorge Castle, Lisbon Cathedral, fado rooms, miradouros, tile walls, and tram 28 passing tight corners.

  • Baixa and Rossio in lisbon pt2

    Baixa and Rossio

    Baixa is the 1755 earthquake rebuild, with Rua Augusta, Praça do Comércio, Rossio, Praça da Figueira, and flat streets that make the easiest first-day walk.

  • Chiado and Bairro Alto in lisbon pt3

    Chiado and Bairro Alto

    Chiado and Bairro Alto sit above Baixa with Carmo ruins, theatres, bookstores, Rua Garrett shops, tiny bars, fado rooms, and elevators or funiculars for the climb.

  • Belem and Ajuda in lisbon pt4

    Belém and Ajuda

    Belém and Ajuda face the Tagus with Jerónimos Monastery, Belém Tower, the Monument to the Discoveries, the coach museum, gardens, and pastéis de nata queues.

  • Cais do Sodre and Santos in lisbon pt5

    Cais do Sodré and Santos

    Cais do Sodré and Santos link ferry piers, the Time Out Market, Pink Street bars, design shops, and train access to Cascais and Estoril.

  • Parque das Nações in lisbon pt6

    Parque das Nações

    Parque das Nações is Expo 98 Lisbon, with Oriente station, the Oceanarium, river promenades, cable cars, modern hotels, and broad bike paths.

Getting around

Use Navegante cards for Lisbon Metro, Carris buses, trams, funiculars, suburban trains, and ferries; metro lines are strongest for airport, Baixa-Chiado, Santa Apolónia, and Oriente. Tram 15E reaches Belém from the center, tram 28E crosses Alfama and Bairro Alto hills, and walking works best inside Baixa, Chiado, and Alfama if cobblestones and slopes are manageable.

Full things to do in Lisbon, September 2026
2

Porto

Porto in September

Temp

74°F / 57°F

23.5°C / 14°C

Rain

6d

2.8in · 70mm

Light

12.3h

Sea

63.3°F

17.4°C

September stays pleasant, with harvest season making Douro Valley trains especially attractive.

City overview

Porto is Northern Portugal's Douro River city, a steep granite-and-tile port where medieval lanes, baroque churches, steel bridges, and Gaia wine lodges face each other across the water. Ribeira and Baixa give the compact historic core, Vila Nova de Gaia holds the port-wine cellars, and Cedofeita and Foz do Douro show the art, boutique, and Atlantic edges.

Food & drink

Porto eating is hearty: francesinha, tripas à moda do Porto, bacalhau, caldo verde, bifanas, octopus rice, and pastéis de nata all matter. Mercado do Bolhão, Cais da Ribeira restaurants, Conga bifanas, and Gaia port lodges make a useful first food route.

Events & festivals

  • Sep 10 – Sep 20

    Porto International Film Festival - September Edition

    A special September edition of the Porto International Film Festival showcasing international and Portuguese films.

    Planning lead · dates set closer in · Source: festival research

  • Sep 15 – Sep 19

    Porto Jazz Festival - Autumn Sessions

    A series of jazz concerts held in various venues around Porto featuring local and international artists.

    Planning lead · dates set closer in · Source: festival research

  • Sep 21 – Sep 26

    Festa de São Mateus

    A traditional festival in Porto celebrating Saint Matthew with music, food, and cultural activities in the city center.

    Planning lead · dates set closer in · Source: festival research

Top sights

Ranked for September suitability using weather, setting, ratings, and review volume.

Map of Porto with pinned top attractions (1 through 10)
  1. 1Dom Luís I Bridge
  2. 2São Bento Station
  3. 3Serralves Museum and Park
  4. 4Clérigos Tower and Church
  5. 5Porto Cathedral
  6. 6Casa da Música
  7. 7Palácio da Bolsa
  8. 8Igreja de São Francisco
  9. 9Livraria Lello
  10. 10Ribeira
  • Dom Luís I Bridge in Porto1

    Dom Luís I Bridge

    4.8outdoor

    Théophile Seyrig, a former Eiffel associate, designed the double-deck iron bridge that opened in 1886 between Porto and Vila Nova de Gaia. The upper deck carries metro trains and pedestrians above Ribeira.

    Wikipedia
  • São Bento Station in Porto2

    São Bento Station

    4.7outdoor

    The station opened in 1916 inside a former Benedictine convent site, with Jorge Colaço azulejo panels showing battles, rural scenes, and transport history. It is a short walk from Avenida dos Aliados and the cathedral.

  • Serralves Museum and Park in Porto3

    Serralves Museum and Park

    4.7outdoorOpen daily

    Álvaro Siza designed the contemporary-art museum that opened in 1999 inside the Serralves Foundation estate. The pink Art Deco villa, gardens, and treetop walk sit west of the center near Boavista.

Show 7 more sights
  • 4Clérigos Tower and Church
  • 5Porto Cathedral
  • 6Casa da Música
  • 7Palácio da Bolsa
  • 8Igreja de São Francisco
  • 9Livraria Lello
  • 10Ribeira

Neighborhoods

Getting around

Metro do Porto and the Andante card cover the airport, Campanhã, São Bento, Trindade, Boavista, and Gaia, but Ribeira and Baixa still require steep walking. Tram Line 1 is scenic to Foz, the Funicular dos Guindais saves one climb from Ribeira, and trains from São Bento handle Braga and Guimarães.

Full things to do in Porto, September 2026

Planning the Portugal route?

Add your dates and we'll pace all 2 cities — every place checked for closures, limited hours, and booking needs in September.

Weather by month for the Portugal trip

In September, the Portugal trip runs daytime highs from 24°C / 75°F to 26°C / 79°F, with nights down to about 14°C / 57°F at the coolest stop. Climate averages show about 6 rainy days at the rainiest stop. Weighed across both stops, September is a comfortable month by weather.

The most comfortable months across Lisbon & Porto are July, June and August, based on average daytime temperatures and rainfall at every stop. September 2026 is a comfortable month.

Comfort by month — pick one to open that month's plan.

IdealSeptember

Common questions about the Portugal trip

When is the best time to do the Portugal trip?
The most comfortable months across Lisbon, Porto are July, June and August, based on average daytime temperatures and rainfall at each stop. September is a comfortable month by weather — see the per-stop weather below for the climate averages in September 2026.
How many days do you need for the Portugal trip?
A comfortable Portugal trip runs about 7–9 days, allowing roughly Lisbon 4, Porto 3 nights plus travel between stops. Add a day if you want a slower pace or extra day trips.
What's the route for the Portugal trip?
The classic order is Lisbon & Porto. Each city below has its own September weather, any available event listings, and a top-sights list.

Ready to plan the Portugal trip?

Turn this route into a day-by-day plan for September 2026, every stop checked for closures and booking needs on your exact dates.

This trip in other months

Each city this month

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