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 27.3 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 24.3 °C by the end of September.
Catalonia experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 79.9 mm.
Is September a good time to visit Catalonia? check out the best time to travel to Catalonia page.
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Temperatures
Rain 🌧️
More
8
Dry days
22
Rainy days
0
Snow days
25°/20°
Temperatures
18 km/h
Avg max wind
64 %
Avg humidity
Catalonia in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  27° | 2  27° | 3  27° | 4  27° | 5  28° | 6 27° | 7 28° |
| 8 26° | 9 26° | 10 26° | 11 27° | 12 27° | 13 26° | 14  26° |
| 15 27° | 16 27° | 17 25° | 18 24° | 19 23° | 20 23° | 21 23° |
| 22 24° | 23 23° | 24 24° | 25 24° | 26 25° | 27 26° | 28 24° |
| 29 23° | 30 24° |
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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. | Partly cloudy | 27° /22° | 0.2 mm | 6 | |
| 2 Sept. | Heavy rain at times | 27° /22° | 2.1 mm | 7 | |
| 3 Sept. | Patchy rain possible | 27° /21° | 7.9 mm | 6 | |
| 4 Sept. | Moderate rain at times | 27° /21° | 7.5 mm | 6 | |
| 5 Sept. | Sunny | 28° /22° | 0.3 mm | 7 | |
| 6 Sept. | Sunny | 27° /22° | 2.1 mm | 7 | |
| 7 Sept. | Sunny | 28° /22° | 0.6 mm | 7 | |
| 8 Sept. | Sunny | 26° /22° | 1.8 mm | 7 | |
| 9 Sept. | Patchy rain possible | 26° /22° | 1.2 mm | 6 | |
| 10 Sept. | Sunny | 26° /21° | 1.4 mm | 6 | |
| 11 Sept. | Patchy rain possible | 27° /21° | 1.1 mm | 6 | |
| 12 Sept. | Moderate or heavy rain shower | 27° /21° | 1.9 mm | 6 | |
| 13 Sept. | Partly cloudy | 26° /21° | 2.6 mm | 6 | |
| 14 Sept. | Overcast | 26° /21° | 3 mm | 6 | |
| 15 Sept. | Sunny | 27° /21° | 4.5 mm | 6 | |
| 16 Sept. | Overcast | 27° /20° | 4.2 mm | 6 | |
| 17 Sept. | Patchy rain possible | 25° /20° | 2.4 mm | 6 | |
| 18 Sept. | Moderate or heavy rain shower | 24° /19° | 6.5 mm | 5 | |
| 19 Sept. | Patchy rain possible | 23° /19° | 0.5 mm | 5 | |
| 20 Sept. | Moderate or heavy rain shower | 23° /19° | 5.3 mm | 5 | |
| 21 Sept. | Patchy rain possible | 23° /18° | 0.9 mm | 6 | |
| 22 Sept. | Patchy rain possible | 24° /19° | 1.7 mm | 5 | |
| 23 Sept. | Patchy rain possible | 23° /18° | 4.6 mm | 5 | |
| 24 Sept. | Partly cloudy | 24° /18° | 10.5 mm | 6 | |
| 25 Sept. | Patchy rain possible | 24° /18° | 0.1 mm | 6 | |
| 26 Sept. | Sunny | 25° /19° | 0.1 mm | 6 | |
| 27 Sept. | Sunny | 26° /19° | 0 mm | 7 | |
| 28 Sept. | Sunny | 24° /19° | 0.6 mm | 6 | |
| 29 Sept. | Patchy rain possible | 23° /18° | 1 mm | 6 | |
| 30 Sept. | Moderate rain at times | 24° /18° | 3.5 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 20°, suitable for diverse activities and preferences.
How much rainfall should be expected in Catalonia during September?
Moderate rainfall is anticipated in Catalonia during September, with a total of 79.9 mm spread over approximately 22 days. Considering plans for rainy days is advisable.
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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