Weather in Barcelona in September
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Compare car hire prices → Affiliate link — we earn a commission at no extra cost to youIn September, Barcelona sees average highs of 25.9°C (78.6°F) and lows of 18.4°C. Conditions are warm and fairly wet (9 rainy days on average), with roughly 10.4 hours of sunshine a day. Weather-wise, this is one of the most reliable months to travel. For the complete picture, see the best time to visit Barcelona — every month compared. Once you know when to go, find your Barcelona packing list at 247PackingList.
Get ready for Barcelona in September
Search flights to Barcelona
Compare 100+ airlines for September — one search, best price.
Search Flights →Travel clothing layers
Pack layers — temperatures can vary significantly between day and night.
Check Price →What to pack for Barcelona in September
- Light layers
- Sunscreen
- T-shirts and light trousers or shorts
- Light waterproof layer
Compare all months in Barcelona
| Month | High | Rain | Rating |
|---|---|---|---|
| January | 13.3°C | 55.1mm | 10/10 |
| February | 15.2°C | 24.9mm | 10/10 |
| March | 16.0°C | 44.8mm | 10/10 |
| April | 17.8°C | 71.4mm | 10/10 |
| May | 21.8°C | 57.9mm | 10/10 |
| June | 25.9°C | 34.8mm | 10/10 |
| July | 28.7°C | 28.8mm | 10/10 |
| August | 28.9°C | 53.7mm | 10/10 |
| September | 25.9°C | 83.9mm | 10/10 |
| October | 22.3°C | 63.3mm | 10/10 |
| November | 18.1°C | 49.4mm | 10/10 |
| December | 15.3°C | 17.4mm | 10/10 |
Full month-by-month guide: best time to visit Barcelona →
For facts about Spain — currency, language and dialling code — see our Spain country guide at 247CountryInfo. Travellers also find it useful to keep a Barcelona travel guide to hand. Check clothing sizes in Spain before you shop.
Frequently Asked Questions
Is September a good time to visit Barcelona?
September rates 10/10 for visiting Barcelona — excellent time to visit. Expect average highs of 25.9°C, 83.9mm of rain across the month and about 10.4 hours of daily sunshine.
What is the temperature in Barcelona in September?
In September, Barcelona has average highs of 25.9°C (78.6°F) and average lows of 18.4°C (65.1°F).
Does it rain in Barcelona in September?
Some rain is likely. Barcelona averages 83.9mm across about 9 rainy days in September, so a light waterproof layer is worth packing.
What should I wear in Barcelona in September?
For Barcelona in September (25.9°C highs / 18.4°C lows), pack light layers plus sunscreen, t-shirts and light trousers or shorts, light waterproof layer.
More essentials for Barcelona in September
Packing cubes
Keep the bag organised whatever the weather — compression cubes for every size.
Check Price →Travel first aid kit
Compact TSA-friendly kit for peace of mind wherever you travel.
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.