2026 Climate Averages

Weather in Lisbon in September

The weather is near-perfect with ideal temperatures and minimal rain. Recommended month to visit.

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Climate Overview

September is an excellent time to visit Lisbon. Lisbon has a Warm climate with average yearly highs of 26°C, lows of 18°C, and approximately 6 rainy days per month.

Avg High

26°C

Avg Low

18°C

Rainy days

6days

Daylight

12.5h

Is September a good time to visit Lisbon?

The weather is near-perfect with ideal temperatures and minimal rain.

Daylight

Sunrise

7:18 AM

Sunset

7:49 PM

Weather by Month
Monthly weather data
Month High Low Rainy days Condition
January 14°C 9°C 10 Good
February 18°C 10°C 1 Good
March 18°C 10°C 7 Excellent (best)
April 18°C 12°C 16 Excellent (best)
May 23°C 15°C 8 Excellent (best)
June 24°C 16°C 3 Excellent (best)
July 30°C 18°C 0 Good
August 27°C 18°C 0 Good
September 26°C 18°C 6 Excellent (best)
October 21°C 14°C 8 Excellent (best)
November 18°C 12°C 10 Good
December 15°C 9°C 8 Good

Weather data: Open-Meteo Archive (2020-2025) • Open-Meteo.com (CC BY 4.0) • Historical avg. 2020–2025

What to Pack for September

Lightweight clothes, sunglasses, sunscreen, and breathable fabrics.

Climate: Warm
Travel Context Great for outdoor dining and evening strolls.

Planning a trip to Lisbon?

Common Questions

Is September a good time to visit Lisbon? +

September is typically Excellent for visiting Lisbon, with average highs of 26°C and around 6 rainy days.

What should I pack for Lisbon in September? +

With highs of 26°C and lows of 18°C in {month}, we recommend: Lightweight clothes, sunglasses, sunscreen, and breathable fabrics.

Does it rain a lot in Lisbon in September? +

Lisbon typically sees around 6 rainy days in September.

How many hours of daylight are there in Lisbon in September? +

In September, Lisbon gets approximately 12.5 hours of daylight per day.

Is September peak season in Lisbon? +

Yes, September is peak season in Lisbon. Expect higher prices and more crowds, but also the best weather.

What is the best month to visit Lisbon? +

The best months to visit Lisbon are March, April, May, June, September, October, when the weather is optimal for sightseeing.

Weather Data: Based on 2020–2025 historical climate data from Open-Meteo

Solar calculations: SunCalc (timezone: Europe/Lisbon)

Last Updated: January 2026

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Complete travel guide for Lisbon: top things to do, itineraries, and typical costs.

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September

26° / 18°
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