Visiting Alghero in autumn: mild climate, quiet beaches, local festivals like San Michele, hiking at Capo Caccia and wine tastings in Sardinian vineyards. Discover the best things to do in September, October and November in Alghero and north-west Sardinia.

Alghero in Autumn: What to Do, Events and Travel Ideas

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When people think of Sardinia, the imagination immediately turns to summer: crowded beaches, scorching sun, and lively resorts. But the island has another side, more intimate and authentic: autumn.
Alghero in autumn is the perfect expression of this hidden charm. Located on the north-west coast of Sardinia, it combines the sea, nature, Catalan traditions, and a unique historical and cultural heritage.

If you’re wondering what to do in Alghero in September, October and November, this guide will take you through the mild climate, local events, nearby villages, traditional dishes, and unforgettable experiences.

Perfect climate and warm sea: the summer that never ends

One of the main reasons to choose Alghero in autumn is its mild and sunny climate. In September and October, daytime temperatures range from 22°C to 28°C, ideal for enjoying the outdoors without the summer heat.

The sea remains pleasantly warm until late October, making it perfect for swimming, water sports, or simply relaxing on almost-deserted beaches.
The autumn light enhances the landscape: the colors of the sea, reflections on the rocks, and sunsets become spectacular natural shows.

A journey through history: Alghero and nearby villages

Alghero’s old town

Walking through the historic center feels like stepping back in time. The Aragonese walls, the sea bastions, the Porta Terra Tower, cobbled alleys, and wrought-iron balconies tell stories of centuries past.
In autumn, you can explore at your own pace, visit churches, museums, and craft shops without the crowds, and enjoy the slow rhythm of the city.

Bosa: colorful houses and riverside charm

Less than an hour from Alghero, along one of Sardinia’s most scenic roads, lies Bosa. This town on the Temo river looks like a painting come to life: pastel-colored houses, stone bridges, and the medieval Malaspina Castle overlooking the valley.
In autumn, Bosa is even more enchanting, wrapped in soft light and perfect for a day trip with a glass of its famous Malvasia di Bosa wine.

Castelsardo: a jewel by the sea

Heading north, you’ll find Castelsardo, one of Italy’s most beautiful villages. Perched on a promontory, it offers postcard views. Its steep lanes, artisan workshops, and breathtaking panoramas over the Gulf of Asinara make it an unmissable stop.

Events and traditions: the Feast of San Michele

The highlight of autumn in Alghero is undoubtedly the Feast of San Michele, the city’s patron saint, celebrated on September 29th.

The celebrations begin days earlier and fill the historic center with:

  • live concerts and theater shows,
  • craft and food markets,
  • children’s activities, art installations, and street performances.

Sport also plays a big role: the marathon and half marathon are among the most anticipated events, offering runners the unique thrill of racing along the bastions and through the olive groves with the sea as a backdrop.

Sport and nature: an outdoor paradise

Autumn is the perfect season for nature lovers and outdoor activities. The temperatures are ideal, and the landscapes take on warm, fascinating tones.

Trekking and excursions

  • Porto Conte Regional Park: a natural treasure with panoramic trails, forests, cliffs, and hidden coves.
  • Capo Caccia and the Neptune’s Grotto: spectacular sea cliffs, accessible by boat or via the Escala del Cabirol staircase carved into the rock.
  • Grotta Verde: less known but charming, famous for its emerald reflections and Neolithic cave paintings.

Water sports and cycling

The sea remains perfect for snorkeling, diving, kayaking, and windsurfing. The coastal roads and rolling hills around Alghero are ideal for cycling, offering ever-changing views between the sea, vineyards, and olive groves.

Archaeology: Nuraghi and Domus de Janas

Sardinia is an ancient land, and autumn is the perfect season to explore its millennia-old roots without the summer heat.

Archaeological sites near Alghero:

  • Nuraghe Palmavera: a well-preserved nuragic complex with towers, courtyards, and ritual spaces.
  • Domus de Janas: the mysterious “fairy houses,” prehistoric rock-cut tombs, often decorated with enigmatic symbols.

These UNESCO heritage sites reveal a fascinating past still partly unexplored.

Wine and food tours: vineyards and authentic flavors

Autumn means harvest time, and the area around Alghero is rich in wineries that open their doors for tastings and guided tours.

Wines not to miss:

  • Vermentino di Sardegna DOC, fresh and mineral,
  • Cagnulari, a bold, native red wine,
  • Cannonau, Sardinia’s most famous, intense and spicy.

Many wineries offer immersive experiences, including walks among the vineyards, gourmet picnics, and tastings of local products such as cheeses, olives, honey, and traditional sweets.

Autumn cuisine: traditional flavors

Autumn brings richer, more intense ingredients to the table, reflecting the character of the land.

Typical dishes to try:

  • Porceddu (suckling pig) baked with potatoes and myrtle,
  • Culurgiones and pane frattau, also in seasonal versions,
  • Porcini mushrooms gathered from nearby forests,
  • Almond, walnut, and honey-based sweets like tiliccas and sebadas.

Every meal is a way to connect with Sardinian culture, made of genuine ingredients and heartfelt hospitality.

Relax, wellness, and breathtaking sunsets

Alghero in autumn is also the perfect place to slow down and recharge. The quiet beaches, slower pace, salty air, and golden light create a soothing atmosphere.

You can relax with:

  • a sunset walk along the seafront,
  • a day at a spa with sea views,
  • reading a book under a fig tree in a countryside holiday home.

Autumn is not the end of summer, but the beginning of a new wonder. And in Alghero, you’ll feel it from the very first step.

Whether you love nature, history, food, or relaxation, Alghero will surprise and enchant you.
Book now the autumn special offer at B&B Bonsai Alghero and enjoy an unforgettable stay, the perfect base to experience all the activities in this guide.

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