Barcelona weather
in September
“Mild and bright — an underrated time to visit.”
Roughly 12 rainy days across the month, on average.
In september, Barcelona settles into its kind, mild rhythm. The city keeps a different pulse than in summer or midwinter, and travellers who arrive with the right expectations are rewarded.
Days average around 25°C (77°F), cooling to 18°C after sunset. Expect meaningful rain — some 12 wet days across the month. Pack accordingly and let the weather choose your afternoons. Long days of sunshine reward early starts.
These figures are climatological averages, drawn from a decade of daily records via the Open-Meteo Archive — not a forecast. But they are honest, and they are the sort of thing a good travel guide ought to tell you before you book the flight.
What to pack for Barcelona in September
- •A light layer for cool mornings and evenings
- •A compact travel umbrella — one you'll actually carry
- •Reef-safe sunscreen and polarised sunglasses
- •Comfortable, broken-in walking shoes
- •A small daypack that won't look like a tourist beacon
What to pack for Barcelona in September
- →Breathable travel pantsAmazon · shop this
- →Compact travel umbrellaAmazon · shop this
- →Reef-safe sunscreen SPF 50Amazon · shop this
- →Polarized sunglassesAmazon · shop this
- →Universal travel adapterAmazon · shop this
- →Compression packing cubesAmazon · shop this
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Where to stay in Barcelona
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Barcelona in September — FAQ
Q01Is September a good time to visit Barcelona?
Is September a good time to visit Barcelona?
Yes — it is a good time to visit, with pleasant, comfortable weather. In September, Barcelona averages a high of 25°C (77°F) and a low of 18°C (65°F), with 92mm of rainfall across roughly 12 rainy days.
Q02What is the average temperature in Barcelona in September?
What is the average temperature in Barcelona in September?
The average high temperature in Barcelona during September is 25°C (77°F), with an average low of 18°C (65°F). These figures are averaged from ten years of daily records (2015–2024, Open-Meteo Archive).
Q03How many rainy days does Barcelona have in September?
How many rainy days does Barcelona have in September?
Barcelona averages approximately 12 rainy days in September, with a total monthly rainfall of about 92mm. This is based on daily precipitation records where days with 1mm or more of rain are counted as rainy days.
Q04What should I pack for Barcelona in September?
What should I pack for Barcelona in September?
For Barcelona in September, pack layered clothing for changing temperatures, a compact umbrella or waterproof jacket, sunscreen and sunglasses, comfortable walking shoes. These recommendations are based on the ten-year weather averages for this specific month.
Q05How crowded is Barcelona in September?
How crowded is Barcelona in September?
Tourist crowds in Barcelona during September are typically moderate — shoulder season, a sweet spot between crowds and weather. Consider this when planning accommodation — prices track crowd levels closely.