Barcelona Weather in September

Your complete guide to Barcelona with 25°C temperatures and 2h 15m flights from London

25°C

Avg Temperature

2h 15m

Flight Time

78mm

Rainfall

24°C

Sea Temperature

Why Visit Barcelona in September?

September is an excellent time to visit Barcelona, offering warm weather with average temperatures of 25°C. Perfect post-summer weather for city and beach. Fewer tourists, great atmosphere.

With flights taking just 2h 15m from London and prices typically ranging from £70-£150, Barcelona provides excellent value for money. While there may be some rainfall (78mm average), there are still plenty of opportunities to enjoy outdoor activities.

Whether you're looking for city break, beach, or simply want to escape to warmer climes, Barcelona in September offers something for everyone.

Detailed Weather Breakdown

Temperature

Average temperatures in Barcelona during September hover around 25°C, making it hot and sunny. The sea temperature averages 24°C - perfect for swimming and water sports.

Average Temperature

25°C

Sea Temperature

24°C

Rainfall & Humidity

September sees an average of 78mm of rainfall in Barcelona. While there may be some rainy days, showers are typically short-lived. Humidity averages 72%, which feels slightly humid but manageable.

Wind & Sunshine

Barcelona enjoys plenty of sunshine in September, making it ideal for outdoor activities and beach time. Wind conditions are generally light to moderate, providing a pleasant breeze.

What to Pack for Barcelona in September

Clothing Essentials

•Light summer clothes (t-shirts, shorts, sundresses) for hot days
•Light cardigan for air-conditioned spaces
•Comfortable walking shoes for exploring
•Swimwear and beach cover-up

Beach & Sun Protection

•High SPF sunscreen (UV can be strong even in cooler months)
•Sunglasses and sun hat
•Beach towel and flip-flops

Best Areas to Stay in Barcelona

Barcelona offers a variety of areas to suit different travel styles and budgets. Whether you're looking for lively nightlife, family-friendly beaches, or peaceful retreats, you'll find the perfect base for your September holiday.

Popular areas include the main tourist zones with excellent amenities, restaurants, and beach access. For a more authentic experience, consider staying in local neighborhoods where you can immerse yourself in the culture and enjoy traditional cuisine.

When booking accommodation, look for properties with good reviews, convenient locations, and amenities that match your needs. Many hotels offer special deals during September, making it an excellent time to find value for money.

Frequently Asked Questions

Is Barcelona hot in September?

Yes, Barcelona is pleasantly warm in September with average temperatures of 25°C. The sea temperature averages 24°C, making it comfortable for swimming.

How much does it cost to fly to Barcelona in September?

Flights from London to Barcelona in September typically cost £70-£150. The flight time is approximately 2h 15m, making it an accessible destination for a quick getaway or extended holiday.

Does it rain in Barcelona in September?

Barcelona receives an average of 78mm of rainfall in September. While there may be some rainy days, there are still plenty of sunny periods to enjoy outdoor activities.

Can you swim in Barcelona in September?

Yes, you can swim in Barcelona in September. The sea temperature averages 24°C, which is comfortable for most swimmers. Many hotels also have heated pools if you prefer warmer water.

What should I pack for Barcelona in September?

Pack light summer clothes (t-shirts, shorts, sundresses) for Barcelona in September. Don't forget swimwear, high SPF sunscreen, sunglasses, and comfortable walking shoes. A light cardigan is useful for air-conditioned spaces.