I'd packed my summer wardrobe with the confidence of someone who'd checked the forecast exactly once, three weeks prior. The Ryanair flight from Stansted to Olbia had been mercifully short, but the real adventure began with the hire car. Within ten minutes of leaving the airport, I was hopelessly lost in a roundabout system that seemed designed by someone who fundamentally distrusted straight lines. By the time I found the SS125 coastal road, I'd developed a twitch in my left eye and a deep respect for Italian drivers who treat indicators as optional accessories.

The approach to Costa Paradiso told me everything about why October in Sardinia demands a particular mindset. The summer crowds had evaporated like morning dew, leaving behind a landscape that felt almost conspiratorially quiet. The rental villa sat perched on granite cliffs, its terrace offering that classic Mediterranean view of turquoise water framed by wind-sculpted macchia shrubland. But the swimming pool, that glorious centrepiece photographed in golden July light, lay covered and still, gathering leaves from the occasional gust. I stood there in my shorts and flip-flops, clutching a suitcase full of linen shirts, while an elderly German couple in proper walking boots and fleece jackets strode past with the smug air of people who'd read the small print about seasonal availability.

The villa itself delivered that particular charm of off-season Italian rentals: immaculate in its terracotta and white plaster, but with certain amenities now hibernating. The outdoor kitchen, that romantic stone construction with its built-in barbecue, wore a protective cover that suggested it wouldn't see action until spring. I found myself cooking pasta on the indoor hob at six o'clock, absurdly early by Italian standards, because the darkness fell with surprising speed and the terrace lights attracted moths of frankly aggressive proportions.

What October gave in return, though, became apparent the following morning. I walked the coastal path to Li Cossi beach, a twenty-minute scramble down rocky terrain, and found myself entirely alone. The water retained enough summer memory to allow a brief, gasping swim, though my extremities protested in ways they never would in August. The beach bar stood shuttered, its plastic chairs stacked in forlorn towers, so I sat on a sun-warmed rock eating bread and pecorino I'd bought from a supermarket in Trinita d'Agultu, because the local shops now operated on reduced hours that seemed to change daily.

There's something humbling about seasonal travel that exposes your assumptions. I'd imagined myself as the savvy traveller, avoiding peak prices and crowds, without fully considering what else disappears with the high season. The restaurant in Costa Paradiso village, that short drive or determined walk away, opened only on weekends now. The diving centre had packed up entirely. Even the spectacular sunsets, which paint the western cliffs in impossible oranges and pinks, felt slightly melancholy without the accompanying clink of glasses from busy terraces.

Yet this was precisely the Sardinia that locals know. My neighbour, a Roman who'd retired here and clearly considered himself native by now, appeared one morning to explain the wood-burning stove with the patience of someone who'd watched many Britons shiver through October evenings. The woodsmoke smell that drifted across the complex each evening spoke of adaptation, of accepting what the season offers rather than mourning what it withholds.

I spent my days walking the headlands in proper shoes at last, discovering coves where the only footprints were mine and the occasional wild boar's. The maquis vegetation, that dense mix of juniper and mastic and wild olive, had shifted from summer's dusty green to something richer, more aromatic after rain. Evenings meant early dinners, books, the occasional trip to nearby Isola Rossa where a few restaurants remained defiantly open for the scattered autumn visitors.

Driving back to Olbia, that roundabout system now navigable with something approaching competence, I passed vineyards heavy with late harvest grapes and olive groves where families gathered for the annual pressing. The seasonal rhythm of Sardinian life, so inconvenient for my swimming pool fantasies, revealed itself as something more authentic than any summer holiday could provide. I arrived home with a slight tan, several new jumpers purchased in desperation, and the uncomfortable realisation that sometimes the wrong season teaches you more than the right one ever could.