Weather in Catalonia for September 2026
In general, the average temperature in Catalonia at the beginning of September is 27.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 23.9 °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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Catalonia Weather September
What’s the Weather Like in Catalonia This September?
Temperatures trend during September in Catalonia
September weather in Catalonia day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Partly cloudy | 27° /21° | 1.7 mm | 6 | |
| 2 Sept. | Partly cloudy | 27° /21° | 1.7 mm | 7 | |
| 3 Sept. |  Patchy rain possible | 27° /21° | 6.3 mm | 6 | |
| 4 Sept. | Patchy rain possible | 27° /21° | 6.1 mm | 6 | |
| 5 Sept. | Patchy rain possible | 27° /22° | 0.3 mm | 6 | |
| 6 Sept. |  Sunny | 27° /22° | 1.7 mm | 7 | |
| 7 Sept. | Partly cloudy | 28° /22° | 0.5 mm | 7 | |
| 8 Sept. | Sunny | 26° /21° | 2.6 mm | 6 | |
| 9 Sept. | Patchy rain possible | 25° /21° | 6.1 mm | 6 | |
| 10 Sept. | Patchy rain possible | 26° /21° | 1.1 mm | 6 | |
| 11 Sept. | Patchy rain possible | 26° /21° | 1.3 mm | 6 | |
| 12 Sept. | Light rain shower | 26° /21° | 2.4 mm | 6 | |
| 13 Sept. | Light rain shower | 25° /21° | 3.4 mm | 6 | |
| 14 Sept. |  Overcast | 26° /21° | 2.4 mm | 6 | |
| 15 Sept. | Sunny | 27° /21° | 3.6 mm | 6 | |
| 16 Sept. | Overcast | 26° /21° | 3.4 mm | 6 | |
| 17 Sept. | Patchy rain possible | 26° /21° | 1.9 mm | 6 | |
| 18 Sept. |  Moderate or heavy rain shower | 24° /20° | 5.2 mm | 6 | |
| 19 Sept. | Patchy rain possible | 24° /19° | 0.4 mm | 6 | |
| 20 Sept. | Patchy rain possible | 23° /19° | 4.2 mm | 5 | |
| 21 Sept. | Patchy rain possible | 24° /18° | 2.9 mm | 6 | |
| 22 Sept. | Patchy rain possible | 24° /19° | 2 mm | 5 | |
| 23 Sept. | Patchy rain possible | 23° /18° | 6 mm | 5 | |
| 24 Sept. | Partly cloudy | 23° /18° | 9.1 mm | 5 | |
| 25 Sept. | Patchy rain possible | 23° /18° | 1.2 mm | 5 | |
| 26 Sept. | Sunny | 25° /18° | 0.4 mm | 6 | |
| 27 Sept. | Sunny | 25° /19° | 0.1 mm | 6 | |
| 28 Sept. | Sunny | 24° /19° | 0.9 mm | 6 | |
| 29 Sept. | Patchy rain possible | 23° /18° | 0.8 mm | 6 | |
| 30 Sept. | Moderate rain at times | 24° /19° | 2.8 mm | 6 | |
| Next | |||||
Catalonia weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Sunny | Patchy rain possible | Patchy rain possible |
| Temperatures | 29°/23° | 25°/20° | 22°/18° |
| Rainfall | 52 mm | 80 mm | 82 mm |
| Wind | 16.7 km/h | 17.6 km/h | 17.3 km/h |
| Humidity | 61% | 64% | 66% |
| Rainy days | 12 days | 22 days | 20 days |
| Dry days | 19 days | 8 days | 11 days |
Planning a trip to Catalonia? Discover the best time to visit
Catalonia in September - FAQ
Catalonia water temperatures in September
The average water temperature of the Mediterranean Sea near Catalonia in September is 25.2 °C. At the beginning of September temperatures are around 25.6 °C; by the end of the month they get a bit cooler and reach 24.9 °C.
- What is the water temperature in Catalonia in September?
- The average water temperature in Catalonia in September is 25.2 °C.
- Can you swim in Catalonia in September?
- Ideal conditions for families and casual swimmers. You can stay in for long swims or reef explorations with no thermal protection required.
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
UV exposure in Catalonia during September
Quick links
Where is Catalonia?Get accurate weather forecasts for Catalonia, located at latitude 41.389 and longitude 2.159. Stay updated with localized weather information tailored for Catalonia.