Ash
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Weather in Barcelona in September

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So, you’re about to book but don’t know what to expect from the weather in Barcelona in September.

What if it rains?

What if it’s too hot?

Can I really pack those bright pink Speedos?

All is to be answered in my all-inclusive guide that’ll show you what to expect in the sky, how to pack that suitcase, and where to go to take advantage of summer’s last kick at the can.

The Speedos though – I think you know the answer 😉

Barcelona September Weather General Info

The sweltering heat of high season is in the rear view mirror now, yet the summer season stretches well into September, terminating on the 19th.

If you’re a fan of warm sunshine without the sweaty inconveniences of August then you’ve picked a great time to visit Barcelona – there’s plenty of hot weather and it’s still a great time to swim at Barcelona’s beaches.

  • Average daily high: 26°C (78°F)
  • Average daily low: 17°C (62°F)
  • Average sea temperature: 24°C (75°F)
  • Daily sunshine hours: 9

Day lengths decrease over the month beginning with September 1st averaging 13.1 hours of daylight while September 30th has just 11.75 – it’s still enough to stay out a bit late having an ice cold beer in the squares of Gracia.

Sounds like the perfect holiday weather doesn’t it?

Hold on just a sec 😉

September Weather in Barcelona – Problems

First of all let’s admit that Barcelona weather in September is pretty darn good.

The weather in September in Barcelona traditionally brings only 5 days of rain – giving you great odds at finding some sunshine over any itinerary. The rain is generally moderate rain though thunderstorms are not uncommon.

There’s low cloud cover of about 41% with little fluctuation – the odds of seeing true and true cloudy weather like the UK is pretty low 😉

If you’re not a fan of high humidity you should know that humidity ranges from 57% (mild) to 100% (similar to a steam bath) but rarely dips below the comfortable level of 40%.

If you’re even remotely sensitive to humidity I suggest the following:

  • Wear loose, light clothing made from natural fabrics like cotton.
  • Don’t do any exercise outside.
  • Keep drinking loads of water.
  • Cut back on alcoholic and sugary drinks in hot weather.
  • Make sure your hotel has air conditioning.

Barcelona September weather means moderate winds ranging from 0 mph to 14 mph – if you want surfing opportunities (most popular at Playa de la Mar Bella) at any time of the year know they are few and far between.

Packing for Barcelona September Weather

You’ve got an idea of how the weather in Barcelona in September is going to go but what about that suitcase?

For my British friends: if you’re coming in on a discount airline to El Prat, Girona, or even Reus that’s limiting you to a small carry-on suitcase you know the drill: wear your heavy clothing articles/jackets on the plane.

It’s down to common sense but If I were heading to Barcelona in September I’d pack for the weather like this:

  • A swimsuit.
  • Flip flops.
  • Sunglasses.
  • Shorts.
  • Loose fitting natural fabric shirts.
  • A light jacket for evenings.
  • Sunscreen.

If you’ve got something formal planned then a pair of good jeans is optional.

Remember that unlike a lot of other places in Europe you won’t find stringent dress codes at Barcelona’s top attractions.

Again, use common sense but you’re not going to be turned away from a place like La Sagrada Familia for flip flops or exposing a bit of skin – unless you’re going to the prayer area.

If by chance you find yourself in Barcelona for a stag do I suggest not wearing the outfits to any monument as they are banned outright.

Barcelona September Weather Activities

It doesn’t take a rocket scientist to know that Barcelona weather in September means heading outdoors.

A great thing to do especially on a sunny Sunday afternoon in September is head for a picnic at the legendary Bunkers del Carmel. This old anti-aircraft battery is perched at the highest point of the city and offers insane views of Barcelona.

Another option is to explore historic Montjuic Hill. The gardens here are a botanists dream while Poble Espanyol is a great way to see all of Spain’s regions through a village representing all the country’s architectural styles.

It’ll also be your last chance to get a drink in at Barcelona’s famous roof terraces. Hotel H1898 finds itself right on La Rambla and gives you a great place to watch the world go by with quality cocktails.

Other less pricey options include the Hotel Grand Central (30 Via Laietana) and the Pulitzer Hotel (8 Carrer de Bergara) – the general rule of thumb is that hotels open their rooftops to non guests after 8 pm.

Go For it in the Comments Below

If I haven’t exhausted myself rambling about the weather in Barcelona in September then what’s missing? I’m always looking to improve the blog so any constructive criticism is always appreciated.

And as always… if you’ve got any question about your Barcelona holiday I am here to answer in the comments below!

Good luck with the humidity 🙂

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