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Weather in Catalonia for September 2025

Your guide to Catalonia weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Catalonia is slightly cooler than the historical average by -1.4 °C.

  • Expect cooler weather in the next days in Catalonia with the forecast suggesting a temperature of 23 °C, lower than the historical average.

  • 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 21.6 °C by the end of September.

    • Rain 🌧️

  • Catalonia experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 79.9 mm.

    • More

  • Is September a good time to visit Catalonia? check out the best time to travel to Catalonia page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
8
Dry days
Average rainy days
22
Rainy days
Average snowy days
0
Snow days
Average temperatures
25°/20°
Temperatures
Average wind speed
18 km/h
Avg max wind
Average humidity
64 %
Avg humidity

Catalonia Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Partly cloudy
27°
2
Partly cloudy
27°
3
Patchy rain possible
27°
4
Patchy rain possible
27°
5
Patchy rain possible
27°
6
Sunny
27°
7
Partly cloudy
28°
8
Sunny
26°
9
Patchy rain possible
25°
10
Patchy rain possible
26°
11
Patchy rain possible
26°
12
Light rain shower
26°
13
Light rain shower
25°
14
Overcast
26°
15
Sunny
27°
16
Partly cloudy
25°
17
Sunny
27°
18
Sunny
26°
19
Sunny
26°
20
Patchy rain possible
26°
21
Patchy rain possible
24°
22
Patchy rain possible
20°
23
Patchy rain possible
21°
24
Patchy rain possible
19°
25
Partly cloudy
21°
26
Patchy rain possible
22°
27
Patchy rain possible
23°
28
Patchy rain possible
21°
29
Patchy rain possible
21°
30
Moderate rain at times
24°

What’s the Weather Like in Catalonia This September?

Discover the average temperatures and weather trends across Catalonia’s cities this September.
Patchy rain possibleBarcelona25 °C / 20 °CPatchy rain possibleGirona26 °C / 16 °CSunnyLleida27 °C / 16 °CSunnyTarragona25 °C / 20 °CPatchy rain possibleBadalona24 °C / 20 °CSunnyReus23 °C / 18 °CPatchy rain possibleManresa27 °C / 15 °CPatchy rain possibleMataró24 °C / 19 °CPatchy rain possibleSant Martí24 °C / 20 °CPatchy rain possibleSabadell25 °C / 19 °CPatchy rain possibleSanta Coloma de Gramenet24 °C / 20 °CModerate or heavy rain showerSalou23 °C / 16 °CMore Locations

Temperatures trend during September in Catalonia

See the weather trend as well as the moving average line

September weather in Catalonia day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Partly cloudy
Partly cloudy
 27° /21° 1.7 mm 6
2 Sept. Partly cloudy
Partly cloudy
 27° /21° 1.7 mm 7
3 Sept. Patchy rain possible
Patchy rain possible
 27° /21° 6.3 mm 6
4 Sept. Patchy rain possible
Patchy rain possible
 27° /21° 6.1 mm 6
5 Sept. Patchy rain possible
Patchy rain possible
 27° /22° 0.3 mm 6
6 Sept. Sunny
Sunny
 27° /22° 1.7 mm 7
7 Sept. Partly cloudy
Partly cloudy
 28° /22° 0.5 mm 7
8 Sept. Sunny
Sunny
 26° /21° 2.6 mm 6
9 Sept. Patchy rain possible
Patchy rain possible
 25° /21° 6.1 mm 6
10 Sept. Patchy rain possible
Patchy rain possible
 26° /21° 1.1 mm 6
11 Sept. Patchy rain possible
Patchy rain possible
 26° /21° 1.3 mm 6
12 Sept. Light rain shower
Light rain shower
 26° /21° 2.4 mm 6
13 Sept. Light rain shower
Light rain shower
 25° /21° 3.4 mm 6
14 Sept. Overcast
Overcast
 26° /21° 2.4 mm 6
15 Sept. Sunny
Sunny
 27° /21° 3.6 mm 6
16 Sept. Partly cloudy
Partly cloudy
 25° /24° 0.1 mm 1
17 Sept. Sunny
Sunny
 27° /23° 0 mm 1.4
18 Sept. Sunny
Sunny
 26° /24° 0 mm 1.4
19 Sept. Sunny
Sunny
 26° /23° 0 mm 1.5
20 Sept. Patchy rain possible
Patchy rain possible
 26° /23° 0.3 mm 1.4
21 Sept. Patchy rain possible
Patchy rain possible
 24° /21° 3.2 mm 5
22 Sept. Patchy rain possible
Patchy rain possible
 20° /18° 4.7 mm 4
23 Sept. Patchy rain possible
Patchy rain possible
 21° /18° 1.5 mm 4
24 Sept. Patchy rain possible
Patchy rain possible
 19° /17° 0.9 mm 4
25 Sept. Partly cloudy
Partly cloudy
 21° /18° 0.1 mm 5
26 Sept. Patchy rain possible
Patchy rain possible
 22° /19° 0.9 mm 5
27 Sept. Patchy rain possible
Patchy rain possible
 23° /18° 1.2 mm 5
28 Sept. Patchy rain possible
Patchy rain possible
 21° /16° 0.8 mm 4
29 Sept. Patchy rain possible
Patchy rain possible
 21° /17° 1.2 mm 4
30 Sept. Moderate rain at times
Moderate rain at times
 24° /18° 3.5 mm 6
Next
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.
Change Month
‹
›

Catalonia weather in September vs August vs October

Compare September weather in Catalonia with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
AugustSeptemberOctober
WeatherSunny
Sunny
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Temperatures29°/23°25°/20°22°/18°
Rainfall52 mm80 mm82 mm
Wind16.7 km/h17.6 km/h17.3 km/h
Humidity61%64%66%
Rainy days12 days22 days20 days
Dry days19 days8 days11 days

Planning a trip to Catalonia? Discover the best time to visit

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.

Catalonia water temperatures in September

The average water temperature of the Mediterranean Sea near Catalonia in September is 25.6 °C. Temperatures remain fairly consistent throughout the month.

What is the water temperature in Catalonia in September?
The average water temperature in Catalonia in September is 25.6 °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

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 ☀️
Provinces in Catalonia
Select a province for an accurate weather forecast
Província de BarcelonaProvíncia de GironaProvíncia de LleidaProvíncia de Tarragona
Top locations in Catalonia
Select a location for an accurate weather forecast
BadalonaBarcelonaGironaLleidaManresaMataróReusSabadellSant MartíTarragona
More Locations

Quick links

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Location coordinates 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.

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