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Visiting Lisbon in September

BySunMed Guide

Visiting Lisbon in September

Weather in September: Average high 25.6°C, 26.1mm rainfall.

# Lisbon in September: Still Summer, But Breathing Again

If you visited Lisbon in August, September feels like someone opened a window. The city hasn’t cooled down exactly — you’re still looking at mid-to-high twenties most days, warm enough for the beach, warm enough to sweat climbing those hills — but the frantic, overcrowded energy of peak summer starts to dissolve. Locals come back from their own holidays. Restaurants feel like restaurants again rather than tourist processing facilities.

The weather is genuinely lovely. That 25°C average feels honest rather than punishing, and the light in September has a different quality — golden and slightly softer than the brutal July glare. The 26mm of rainfall sounds worrying but it isn’t really. It tends to arrive as occasional short showers rather than prolonged grey drizzle, and you’ll get plenty of clear days. Pack a light layer for evenings because it cools down once the sun drops, which catches people out.

Crowds are still real, let’s be honest. Lisbon isn’t a hidden destination anymore, and September remains busy, particularly the first two weeks. You’ll still queue for pastéis de nata at the famous places, still need restaurant reservations in Alfama. But by mid-September there’s a noticeable shift — the families with school-age kids have largely gone home, and that changes the texture of the city considerably.

Everything is open. That matters more than people realise. Summer closing schedules are still in full swing early September, then things normalise. Tram 28 is still a sardine tin of tourists, so walk instead.

**Worth it for:** couples, solo travellers, anyone who wants summer weather without August’s intensity, people who care about eating well and actually getting a table.

**Less ideal for:** budget travellers hoping for shoulder-season prices — rates haven’t dropped dramatically yet.

**One practical tip:** book accommodation in Mouraria or Intendente rather than Alfama. You’re five minutes from everything, prices are lower, and you’ll feel like you’re actually staying in the city rather than a theme park version of it.

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