2026 Climate Averages

Weather: Barcelona — September

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

🌟 Climate Overview

September is an excellent time to visit Barcelona. Warm weather with highs of 26°C—great for outdoor activities. Rain is common, so pack an umbrella. As peak season, expect higher prices and more tourists. Sea temperature of 25°C is perfect for swimming.

6.1
GoTripzi Score Good

Based on weather comfort, crowds, prices, and activity options

Avg High

26°C

Avg Low

20°C

Rainy days

11days

Daylight

12.5h

Feels like 28°C / 21°C — humidity makes it feel warmer

Rainfall

75mm

Sunshine

10.3h/day

Humidity

76%

Humid
Sun Strength

6.3

High
Wind

15 km/h (gusts 30)

Sea Temp

25°C 🏊 Comfortable

Is September a good time to visit Barcelona?

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

Now

--

Feels like --
Wind --
Humidity --
UV Index --
Local time

Air Quality

Travel Context

  • Crowds
    Very Busy
  • Travel Costs Peak Rates

Daylight

Sunrise

07:32

Sunset

20:03

12.5h daylight

Visiting Barcelona in September: Pros & Cons

Pros

  • Comfortable temperatures for sightseeing
  • Abundant sunshine for beach and outdoor fun
  • Warm sea perfect for swimming and snorkeling
  • One of the best months to visit

Cons

  • Peak season — expect crowds and higher prices

Things to Do in September

Events & Festivals

🎉
La Mercè (City Festival)
Late September Festival

Recommended for This Weather

🏊 Swimming & beach activities
🤿 Snorkeling & water sports
🏖️ Beach relaxation & sunbathing
🥾 Hiking & nature trails
🏛️ Museums & galleries
🍳 Cooking classes & food tours

Barcelona Weather by Month

Month Avg High Avg Low Rain Sunshine Humidity UV Index Crowds Condition
Jan 14°C 7°C 5d (44mm) 7.4h
76% Humid
3.2 Moderate
Good
Feb 16°C 8°C 6d (29mm) 8.4h
78% Humid
4.4 Moderate
Good
Mar 16°C 10°C 10d (60mm) 9.1h
77% Humid
5.7 High
Good
Apr 18°C 11°C 8d (68mm) 10.7h
75% Humid
7.6 Very High
Excellent
May 22°C 15°C 8d (46mm) 12.5h
76% Humid
9.2 Very High
Excellent
Jun 26°C 20°C 7d (28mm) 13h
74% Humid
9.7 Very High
Excellent
Jul 29°C 22°C 5d (30mm) 13.2h
73% Muggy
9.6 Very High
Good
Aug 30°C 23°C 6d (49mm) 11.9h
73% Muggy
8.4 Very High
Good
Sep Current 26°C 20°C 11d (75mm) 10.3h
76% Humid
6.3 High
Excellent
Oct 23°C 16°C 9d (75mm) 8.8h
78% Humid
4.6 Moderate
Excellent
Nov 18°C 12°C 9d (54mm) 7.5h
77% Humid
3.2 Moderate
Good
Dec 15°C 9°C 6d (36mm) 7.1h
78% Humid
2.7 Moderate
Good

⚖️Find Your Ideal Month

Adjust the sliders to weight what matters most to you.

5
3
3
Your Best MonthJulScore: 7.4

Where to Stay

See hotels, apartments & rentals around Barcelona – live prices from Booking.com, Expedia, Vrbo and more

Barcelona

Barcelona's Gaudí architectural wonderland meets Mediterranean beaches and vibrant Catalan culture, home to the ever-evolving Sagrada Família.

View Full Destination Guide

What to Pack for September

Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces. A waterproof jacket and shoes are non-negotiable — showers are frequent. Don't forget a wide-brimmed hat and high-SPF sunscreen — the sun is strong.

Warm Very Busy

🎒Personalized Packing List

Tell us about your trip and we'll create a custom packing list based on the weather.

Your Packing List

📋Essentials
👕Clothing
👟Footwear
🎒Accessories
🧴Toiletries & Health

Planning a trip to Barcelona?

🔥 Peak season — book early for best rates

Frequently Asked Questions

Is September a good time to visit Barcelona?
September is typically excellent for visiting Barcelona, with average highs of 26°C and around 11 rainy days. Plan your activities accordingly—outdoor sightseeing is best on dry days, while rainy days are perfect for museums and indoor attractions.
Does it get cold at night in Barcelona in September?
Nights stay pleasantly warm in Barcelona during September, around 20°C. Light evening wear is sufficient, and outdoor dining is very comfortable. Many locals and visitors enjoy late-night walks and outdoor activities after sunset.
What should I pack for Barcelona in September?
With highs of 26°C and lows of 20°C in September, we recommend: Compact umbrella, Waterproof jacket/shell, Lightweight breathable clothes, Sunscreen SPF 30+. Layering is key as temperatures can vary between air-conditioned interiors and outdoors. Comfortable walking shoes are essential for cobblestone streets.
Does it rain a lot in Barcelona in September?
Barcelona typically sees around 11 rainy days in September. Rain is usually in the form of brief showers rather than all-day downpours, so a compact umbrella is sufficient. Mornings tend to be drier, making them ideal for outdoor sightseeing.
Can you swim in Barcelona in September?
Yes, September is excellent for swimming in Barcelona! With warm air temperatures around 26°C, the water is comfortable for extended beach sessions. This is peak beach season, so arrive early to secure a good spot at popular beaches.
How many hours of daylight are there in Barcelona in September?
In September, Barcelona gets approximately 12.5 hours of daylight per day. This affects how much sightseeing you can fit in—longer days mean more time for outdoor activities, while shorter days are perfect for cozy museum visits and early dinners.
Is September peak season in Barcelona?
Yes, September is peak season in Barcelona. Expect higher prices for accommodation and more crowds at popular attractions, but also the best weather conditions. Book hotels and major attractions in advance to secure availability and better rates.

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

Solar calculations: SunCalc (timezone: Europe/Madrid)

Last Updated: February 2026