I should have known the Greek sun would have the last laugh. There I was, stepping off the coach at Thessaloniki airport in late October, smug as you like in my brand new linen trousers and a paper-thin shirt I'd bought specifically for "the Mediterranean lifestyle." The locals, sensibly wrapped in light jackets, looked at me as if I were mad. Within forty minutes I was shivering at the hire car desk, clutching a coffee for warmth, while my other half tried not to smirk too obviously.

The drive south towards the Halkidiki peninsula settled my nerves somewhat. Autumn on the Greek mainland has a particular quality I had not expected. The tourist crowds had evaporated like morning dew, leaving the roads blessedly empty and the olive groves looking almost silver in the low afternoon light. We passed roadside stalls selling the last of the season's pomegranates, their skins split open like grins, and I began to feel the particular magic of an off-season arrival.

Theologos village announced itself with a church bell and a sudden view of the sea. Our stone house sat on the edge of things, not quite village and not quite countryside, surrounded by citrus trees heavy with fruit that nobody seemed in a hurry to pick. The key was where promised, under a terracotta pot that had seen better decades. I fumbled with the lock while a ginger cat watched with the patient contempt only cats can manage.

Inside, the house carried the particular stillness of a place closed up against summer's end. The stone walls were cold to the touch, and I confess my heart sank slightly. But my other half, ever practical, had located the electric heaters and the thick wool blankets folded in the wardrobe. Within an hour we had the place feeling lived-in, though I maintained my position near the heater like a man stranded on an Arctic expedition.

That first evening defined everything that followed. We walked down to the village as the light failed, finding one taverna still open for the handful of remaining visitors and determined locals. The owner, Dimitris, seemed genuinely delighted to see us. He explained that October was his favourite month, when he could finally sit with his customers rather than rushing between tables. He brought us grilled octopus that had been caught that morning, and a wine from a barrel in the corner that tasted of the particular earthiness this season brings. The terrace, which in summer would have been unbearable by midday, was perfect now with a light cardigan and the last warmth rising from the stones.

I woke early the next morning, still on British time, and stepped outside to find the world transformed. Mist hung over the olive groves, and the sea had turned that particular grey-green that only autumn produces. The air smelled of woodsmoke from somewhere distant and of the citrus that had fallen overnight to begin its slow return to the soil. I stood there in my inadequate linen trousers, properly cold now, and felt something shift in my understanding.

This was not the Greece of the brochures, all blazing sun and turquoise shallows. This was something quieter, more generous in its way. The seasonal rhythm meant we were guests rather than consumers, welcomed into a place that had time for us. The beach, when we walked down later, was entirely ours, the water too brisk for swimming but perfect for waking properly into the day.

By our third morning I had abandoned any pretence at summer glamour. I wore the same jumper three days running, collected fallen oranges to scent the house, and learned to build the wood fire with something approaching competence. The seasonal light, slanting lower each afternoon, turned the stone walls golden in a way that July's overhead glare never could manage.

I think now that my ridiculous linen trousers were a kind of gift. Their uselessness forced me to stop performing holiday and simply inhabit the place as it actually was. Greece in autumn asks something different of you. It asks you to slow down, to accept the fire's warmth and the early dusk, to notice the particular quality of silence when the summer machinery has wound down.

On our final evening, Dimitris produced a dessert made with the last quinces from his garden, slow-baked until they turned amber and complex. He would not take payment for it. "Next year, come earlier," he said, "or later. But come when it means something to be here."

I understood him perfectly. The season had shaped everything, had made the ordinary precious and the quiet into something approaching grace. We left the next morning in mist again, the citrus scent following us down the road, already planning our return for a different time of year, the same time of year, the only time that could have given us this.