2026 Climate Averages

Weather in Porto 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 Porto. Porto has a Moderate climate with average yearly highs of 24°C, lows of 16°C, and approximately 6 rainy days per month.

Avg High

24°C

Avg Low

16°C

Rainy days

6days

Daylight

12.6h

Is September a good time to visit Porto?

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

Daylight

Sunrise

7:15 AM

Sunset

7:48 PM

Weather by Month
Monthly weather data
Month High Low Rainy days Condition
January 13°C 7°C 13 Wet
February 16°C 9°C 10 Good
March 16°C 9°C 10 Good
April 16°C 11°C 19 Excellent (best)
May 21°C 14°C 11 Excellent (best)
June 20°C 14°C 7 Excellent (best)
July 26°C 17°C 0 Good
August 23°C 16°C 7 Good
September 24°C 16°C 6 Excellent (best)
October 18°C 12°C 14 Excellent (best)
November 17°C 11°C 13 Wet
December 13°C 8°C 23 Wet

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

What to Pack for September

Layers, a light jacket, comfortable walking shoes, and an umbrella.

Climate: Moderate
Travel Context Perfect weather for walking tours and all-day sightseeing.

Planning a trip to Porto?

Common Questions

Is September a good time to visit Porto? +

September is typically Excellent for visiting Porto, with average highs of 24°C and around 6 rainy days.

What should I pack for Porto in September? +

With highs of 24°C and lows of 16°C in {month}, we recommend: Layers, a light jacket, comfortable walking shoes, and an umbrella.

Does it rain a lot in Porto in September? +

Porto typically sees around 6 rainy days in September.

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

In September, Porto gets approximately 12.6 hours of daylight per day.

Is September peak season in Porto? +

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

What is the best month to visit Porto? +

The best months to visit Porto are 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

More Porto Guides

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Things to Do

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Overview

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

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September

24° / 16°
View Full Destination Guide