Weather in Barcelona for September 2027
In general, the average temperature in Barcelona at the beginning of September is 26.8 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 23.7 °C by the end of September.
The climate of Barcelona in September is notably wet, with an average of 11 rainy days, and a total of 80.8 mm of precipitation.
Is September a good time to visit Barcelona? check out the best time to travel to Barcelona page.
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Barcelona Weather September
Temperatures trend during September in Barcelona
September weather in Barcelona day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy rain possible | 26° /22° | 1.4 mm | 7 | |
| 2 Sept. | Patchy rain possible | 26° /22° | 1.4 mm | 7 | |
| 3 Sept. |  Light rain | 27° /22° | 5.2 mm | 7 | |
| 4 Sept. | Light rain | 27° /22° | 5.1 mm | 6 | |
| 5 Sept. |  Sunny | 27° /23° | 0.2 mm | 7 | |
| 6 Sept. | Patchy rain possible | 27° /23° | 1.4 mm | 7 | |
| 7 Sept. | Sunny | 28° /23° | 0.4 mm | 7 | |
| 8 Sept. | Patchy rain possible | 26° /23° | 2.2 mm | 6 | |
| 9 Sept. | Light rain | 25° /21° | 9.2 mm | 5 | |
| 10 Sept. | Sunny | 25° /21° | 0.9 mm | 6 | |
| 11 Sept. | Patchy rain possible | 26° /21° | 1.1 mm | 6 | |
| 12 Sept. | Light rain shower | 26° /21° | 2.2 mm | 6 | |
| 13 Sept. | Light rain | 26° /21° | 2.9 mm | 6 | |
| 14 Sept. | Patchy rain possible | 27° /21° | 2 mm | 6 | |
| 15 Sept. | Light rain | 27° /21° | 3 mm | 6 | |
| 16 Sept. | Light rain | 26° /21° | 6.3 mm | 6 | |
| 17 Sept. | Light rain | 25° /21° | 2.9 mm | 5 | |
| 18 Sept. | Light rain | 24° /20° | 4.6 mm | 5 | |
| 19 Sept. | Patchy rain possible | 24° /20° | 0.5 mm | 6 | |
| 20 Sept. | Light rain | 23° /20° | 3.5 mm | 5 | |
| 21 Sept. | Patchy rain possible | 25° /19° | 2.4 mm | 5 | |
| 22 Sept. | Patchy rain possible | 24° /19° | 1.7 mm | 5 | |
| 23 Sept. | Light rain | 23° /18° | 5 mm | 5 | |
| 24 Sept. | Light rain | 24° /18° | 7.6 mm | 5 | |
| 25 Sept. | Patchy rain possible | 23° /19° | 1 mm | 5 | |
| 26 Sept. | Sunny | 24° /19° | 0.3 mm | 5.7 | |
| 27 Sept. | Sunny | 25° /19° | 0.3 mm | 5.6 | |
| 28 Sept. | Sunny | 24° /19° | 0.9 mm | 5 | |
| 29 Sept. | Light rain | 23° /19° | 2.8 mm | 5 | |
| 30 Sept. | Patchy rain possible | 24° /19° | 2.3 mm | 5 | |
| Next | |||||
Barcelona weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Sunny | Patchy rain possible | Patchy rain possible |
| Temperatures | 29°/24° | 25°/21° | 22°/17° |
| Rainfall | 44 mm | 81 mm | 93 mm |
| Wind | 17 km/h | 17.4 km/h | 16.9 km/h |
| Humidity | 61% | 64% | 66% |
| Rainy days | 6 days | 11 days | 11 days |
| Dry days | 25 days | 19 days | 20 days |
Planning a trip to Barcelona? Discover the best time to visit
Guide for Barcelona in September
In September, Barcelona, Spain experiences a transition from the warm summer weather to the pleasant early autumn conditions. At the beginning of the month, the average temperature in Barcelona is around 25°, with plenty of sunshine and minimal rainfall.
The city is still bustling with tourists enjoying the last days of summer, and the beaches and outdoor cafes remain popular.
As the month progresses, the temperature gradually begins to decrease, with average highs of around 23° and cooler evenings. The sea temperature also starts to cool down, making swimming less popular towards the end of the month.
However, the weather remains generally dry and sunny, making it an ideal time to explore the city's attractions and outdoor spaces without the intense heat of summer.
Overall, September in Barcelona offers a delightful blend of warm days and comfortable evenings, perfect for sightseeing, outdoor activities, and al fresco dining.
Visitors can expect pleasant weather for most of the month, although it's always a good idea to pack a light jacket or sweater for the cooler evenings.
Barcelona in September - FAQ
Is September a good time to visit Barcelona?
What are the expected maximum and minimum temperatures in Barcelona during September?
How much rainfall should be expected in Barcelona during September?
What are the typical wind conditions in Barcelona during September?
Barcelona water temperatures in September
The average water temperature of the Mediterranean Sea near Barcelona in September is 26 °C. At the beginning of September temperatures are around 26.3 °C; by the end of the month they get a bit cooler and reach 25.6 °C.
- What is the water temperature in Barcelona in September?
- The average water temperature in Barcelona in September is 26 °C.
- Can you swim in Barcelona in September?
- Ideal conditions for families and casual swimmers. You can stay in for long swims or reef explorations with no thermal protection required.
September rainfall patterns in Barcelona
UV exposure in Barcelona during September
What to pack to Barcelona in September?
Mild · highs around 25 °C, frequent showers
As you prepare for your trip to Barcelona in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Barcelona, during September, is comfortable and enjoyable, regardless of the weather conditions.
🧥 Clothing
👟 Footwear
🎒 Accessories
Where is Barcelona?Get accurate weather forecasts for Barcelona, located at latitude 41.389 and longitude 2.159. Stay updated with localized weather information tailored for Barcelona.