Quick answer: October is a great month for Lisbon — warm autumn days, a still-warm sea, and far fewer crowds than summer.
October keeps Lisbon warm and sunny while the summer crowds disperse.
Weather
Pleasant autumn warmth around 22°C, with plenty of sun and some later-month rain.
Crowds & prices
Noticeably quieter and cheaper than the summer peak.
What’s on
Warm enough for the Cascais beaches early on, with the city back to its local rhythm.
What to pack
Light layers, a light jacket for evenings, and swimwear for early-month beach trips.
Lisbon in October: mild, golden and uncrowded
October is a lovely, underrated time in Lisbon — the summer crowds have gone, the light turns golden, and the weather stays pleasantly mild.
Weather & what it’s like
Warm, comfortable days (20-23°C), cooler evenings, and the occasional shower. Ideal for walking the hills without the summer heat.
What to do
Sightsee in comfort, enjoy the thinner crowds at Belem and the viewpoints, and catch the late-month start of the cultural season. Sintra is glorious in autumn light.
What to pack
Layers, a light jacket for evenings, a rain layer, and comfortable shoes for the cobbles.
Lisbon In October FAQ
Is October a good time to visit Lisbon?
Yes — mild, golden weather with far fewer crowds than summer; ideal for walking the city.
Is it warm in Lisbon in October?
Pleasantly so — around 20-23°C by day, cooler in the evenings, with occasional showers.