You can expect rain for about half of the days of the month. The warmer Portuguese parts are Lisbon and the Algarve, the southernmost coastal cities. In Lisbon, you can still enjoy sunsets outside at the miradouros (look-out points) but without the hordes of people.
Hereof, is Portugal warm in October?
It has an average high temperature of 23ºC in October, so you'll only need light clothes for the day. You should bring some warmer things for the evenings as, though it's still quite pleasant, temperatures fall to 15ºC at night.
Likewise, is October a good time to go to Portugal? Broadly speaking, the best time of year to visit Portugal is spring (ie, from February) or early autumn (September–October), when the weather is not too hot, the sea is warm and the summer crowds have thinned out. The lower temperatures during these months also make for ideal sightseeing weather.
Beside this, where is hot in Portugal in October?
October in the Algarve region is usually warm, with an average daytime maximum temperature of 25°C in the capital of the Algarve, Faro.
Is October a good time to visit the Algarve?
September and October are perhaps two of the best months to visit the Algarve – the temperatures hover around the mid to high 20's (in the shade) and often reach the mid 30's in the sun. If exploring the Algarve is more your thing – it's so much nicer weather for walking around.