When to go · September

Portugal in September

Excellent time to go

Ocean is warmest now; ideal for combining Lisbon with Alentejo or Algarve coast.

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Daytime high

26°C

79°F

Overnight low

16°C

61°F

Rainfall

30 mm

dry

Crowd levels

high

busy

Prices

high

peak rates

What to expect in Portugal in September

September brings warm weather to Portugal, with daytime highs around 26°C (79°F) and overnight lows near 16°C (61°F). Skies are typically dry with occasional showers, with about 30 mm of rainfall on average. Ocean is warmest now; ideal for combining Lisbon with Alentejo or Algarve coast..

September is one of Portugal's busiest months, so book accommodation early and expect queues at the headline sights. Flights and hotels are at peak rates, so use our tracker below to spot any drops. Peak season runs July–August, for context.

What’s happening in September

🎉
Festival F · SepThree-night music festival transforming Faro's old town into open-air stages featuring Portuguese pop, rock, and fado acts, with free daytime programming and headliner concerts drawing regional crowds to the walled center.

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