Portugal in October — Autumn Colours, Surf Season, and Excellent Value

October is one of Portugal’s most rewarding months for travellers who want warmth without summer crowds. The Douro Valley blazes with autumn colour, the Algarve coast remains swimmable, surf season is fully underway, and the country is significantly quieter and cheaper than it was six weeks earlier.

Weather in October

Lisbon averages 18–23°C in early October, dropping toward 15–19°C by month’s end. Rain increases toward November but October typically has only 7–9 rainy days. Porto is 14–20°C — noticeably cooler but still pleasant for city walking. The Algarve is the warmest region at 20–25°C with the south coast remaining largely dry.

The Douro Valley is the star of October: warm days (20–25°C), cold clear nights, and the vines turning gold, amber, and red on the terraced slopes. The Alentejo is dry and sunny through most of October, with comfortable temperatures for hiking and sightseeing.

Douro Valley Autumn Colours

The Douro Valley’s terraced vineyards are most visually dramatic in October, when the vine leaves turn from green to gold, copper, and scarlet. The contrast with the dark schist rock and the green-blue river is what makes the Douro one of Europe’s genuinely spectacular autumn landscapes.

Best viewpoints for autumn colour:

• São Cristóvão viewpoint (São João da Pesqueira) — above the river with views across multiple terraced quintas
• Casal de Loivos — a village perched 450 metres above Pinhão with panoramic valley views
• The Linha do Douro train — the rail journey between Régua and Pocinho runs along the valley at river level, with unobstructed vineyard views
• Quinta das Carvalhas — a working quinta near Pinhão that opens its upper terraces for views across the valley

Harvest is typically complete by mid-October on lower terraces, but higher altitude quintas continue picking until late October.

Rip Curl Pro — Peniche

The Rip Curl Pro Nazaré or Peniche event is a WSL Championship Tour fixture (the exact location varies by year). Peniche’s Supertubos beach is one of the world’s best beach breaks — hollow, powerful, and fast, comparing frequently to Pipeline in Hawaii. When the event runs, it draws the world’s top-ranked surfers and is free to watch from the beach.

Even without the competition, October swells at Peniche and Ericeira are among the year’s best. Atlantic storm systems generate regular 2–4 metre swells. Water temperature is 19°C — a 3mm wetsuit is comfortable. Surf schools in both towns continue lessons through October with uncrowded lineups compared to summer.

Madeira Wine Festival

The Festa do Vinho in Funchal takes place in early October, usually the first or second weekend. It is Madeira’s celebration of the island’s historic wine industry — the fortified Madeira wines are among the world’s most age-worthy.

The festival includes:

• Free tastings from dozens of Madeira wine producers on Avenida Arriaga
• Folklore parade with traditional Madeiran dress, folk music groups, and embroidery displays
• Grape-treading (lagar) demonstrations at various locations
• Evening concerts along the waterfront

The Madeira Wine Company, Henriques & Henriques, and Blandy’s all participate. The festival is free to attend. Flights from Lisbon to Funchal take 1 hour 40 minutes and cost €60–120 return.

Algarve in October

The Algarve in October is arguably better than August for many types of traveller. Beaches are quiet, the sea is still 19–20°C, restaurants and accommodation are accessible without advance booking, and prices are 30–40% below peak. The light in October — lower, warmer, more angled — is also considerably more photogenic than the harsh midday brightness of summer.

Good Algarve activities for October:

• Coastal walks: the Via Algarviana long-distance trail and the Rota Vicentina coastal path are both more pleasant in October’s mild temperatures
• Kayaking to sea caves: the caves at Ponta da Piedade (Lagos) and Praia de Benagil are accessible by kayak or stand-up paddleboard with calmer autumn seas
• Cycling: the flat eastern Algarve around Tavira and Ria Formosa nature reserve is excellent cycling territory in October

São Martinho — November 11th Preview

Portugal’s post-harvest celebration, Dia de São Martinho (November 11th), is preceded by roasted chestnut vendors appearing from late October. Magusto (chestnut-roasting gatherings) begin to happen in late October in the north. The first água-pé (rough new wine pressed from harvest leavings) is also tasted in late October and November.

Prices and Planning

October offers strong value across all categories:

• Algarve hotels: 30–40% below July–August peak
• Lisbon and Porto hotels: 20–30% below peak
• Flights: noticeably cheaper than July, improving further in late October
• Car hire: fully available without advance-booking pressure

The one planning note: the Douro Valley is in high demand in October. Quinta accommodation and Douro wine hotels book out months ahead for harvest season. If the Douro is your priority, book by July at the latest.