Catalonia (Barcelona)
September
Weather in Catalonia for September 2025
Your guide to Catalonia weather in September - trends and predictions
In general, the average temperature in Catalonia at the beginning of September is 26.1 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 24.7 °C by the end of September.
Catalonia sees moderate rainfall in September, averaging 9 rainy days.
Is September a good time to visit Catalonia? check out the best time to travel to Catalonia page.
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21
Dry days
9
Rainy days
0
Snow days
25°/21°
Temperatures
18 km/h
Avg max wind
62 %
Avg humidity
Catalonia in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  27° | 2  26° | 3 26° | 4  26° | 5 25° | 6 26° | 7 27° |
| 8 25° | 9 25° | 10 25° | 11  25° | 12  25° | 13 22° | 14 25° |
| 15  25° | 16 26° | 17 26° | 18 24° | 19 23° | 20 22° | 21 24° |
| 22 24° | 23 23° | 24 24° | 25 24° | 26 26° | 27 26° | 28 23° |
| 29 24° | 30 26° |
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Temperatures trend during September in Catalonia
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Cloudy | 27° /22° | 0.4 mm | 6 | |
| 2 Sept. | Partly cloudy | 26° /22° | 1.5 mm | 7 | |
| 3 Sept. | Partly cloudy | 26° /20° | 13.9 mm | 7 | |
| 4 Sept. | Sunny | 26° /22° | 14.3 mm | 6 | |
| 5 Sept. | Sunny | 25° /21° | 0.2 mm | 6 | |
| 6 Sept. | Sunny | 26° /21° | 1.1 mm | 7 | |
| 7 Sept. | Sunny | 27° /22° | 1.1 mm | 7 | |
| 8 Sept. | Sunny | 25° /22° | 2.8 mm | 7 | |
| 9 Sept. | Sunny | 25° /21° | 0.3 mm | 6 | |
| 10 Sept. | Sunny | 25° /21° | 0.2 mm | 6 | |
| 11 Sept. | Patchy rain possible | 25° /21° | 1.5 mm | 6 | |
| 12 Sept. | Thundery outbreaks possible | 25° /19° | 1.9 mm | 6 | |
| 13 Sept. | Sunny | 22° /19° | 4.7 mm | 6 | |
| 14 Sept. | Sunny | 25° /19° | 0 mm | 6 | |
| 15 Sept. | Moderate or heavy rain shower | 25° /20° | 9 mm | 6 | |
| 16 Sept. | Partly cloudy | 26° /19° | 2 mm | 7 | |
| 17 Sept. | Patchy rain possible | 26° /21° | 0.3 mm | 6 | |
| 18 Sept. | Patchy rain possible | 24° /18° | 5 mm | 6 | |
| 19 Sept. | Patchy rain possible | 23° /20° | 0.7 mm | 5 | |
| 20 Sept. | Patchy rain possible | 22° /19° | 4.3 mm | 5 | |
| 21 Sept. | Sunny | 24° /18° | 0.1 mm | 6 | |
| 22 Sept. | Patchy rain possible | 24° /20° | 3.3 mm | 5 | |
| 23 Sept. | Patchy rain possible | 23° /18° | 3 mm | 5 | |
| 24 Sept. | Cloudy | 24° /19° | 3 mm | 5 | |
| 25 Sept. | Sunny | 24° /19° | 0 mm | 6 | |
| 26 Sept. | Sunny | 26° /20° | 0 mm | 7 | |
| 27 Sept. | Sunny | 26° /20° | 0.1 mm | 7 | |
| 28 Sept. | Sunny | 23° /19° | 1 mm | 6 | |
| 29 Sept. | Sunny | 24° /19° | 0.6 mm | 6 | |
| 30 Sept. | Sunny | 26° /21° | 0 mm | 6 | |
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Important Notice
Our weather forecast for Catalonia in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Catalonia forecast closer to your planned date for the most up-to-date weather information.
Catalonia in September - FAQ
What are the expected maximum and minimum temperatures in Catalonia during September?
During September, expect a variety of temperatures with highs around 25° and lows near 21°, suitable for diverse activities and preferences.
How much rainfall should be expected in Catalonia during September?
In September, Catalonia can expect light to moderate rainfall, totaling 44.8 mm across approximately 9 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Catalonia during September?
The average wind speed in Catalonia during September is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Catalonia in September?
As you prepare for your trip to Catalonia 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 Catalonia, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Layered Clothing: Light sweaters, long-sleeve shirts, light jackets, and comfortable pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
September rainfall patterns in Catalonia
Explore the daily rainfall trends and prepare for Catalonias September weather 💧
UV exposure in Catalonia during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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