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Weather in Santiago de Compostela for September 2025

Your guide to Santiago de Compostela weather in September - trends and predictions
  • In general, the average temperature in Santiago de Compostela at the beginning of September is 23 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 21.6 °C by the end of September.

  • The climate of Santiago de Compostela in September is notably wet, with an average of 15 rainy days.

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

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
15
Dry days
Average rainy days
15
Rainy days
Average snowy days
0
Snow days
Average temperatures
24°/13°
Temperatures
Average wind speed
11 km/h
Avg max wind
Average humidity
78 %
Avg humidity

Santiago de Compostela in September average weather

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Temperatures trend during September in Santiago de Compostela

See the weather trend as well as the moving average line
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September weather day by day

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Date Weather Temperatures Rain UV More
1 Sept. Torrential rain shower
Torrential rain shower
23° /13° 21 mm 5
2 Sept. Fog
Fog
20° /10° 0.9 mm 5
3 Sept. Fog
Fog
25° /11° 0.1 mm 6
4 Sept. Light rain shower
Light rain shower
24° /12° 3.7 mm 5
5 Sept. Patchy light drizzle
Patchy light drizzle
22° /12° 2.6 mm 5
6 Sept. Thundery outbreaks possible
Thundery outbreaks possible
23° /10° 3.5 mm 5
7 Sept. Mist
Mist
24° /11° 1.5 mm 5
8 Sept. Light rain shower
Light rain shower
24° /12° 15.3 mm 6
9 Sept. Patchy light rain with thunder
Patchy light rain with thunder
23° /13° 4.3 mm 5
10 Sept. Patchy light rain with thunder
Patchy light rain with thunder
24° /12° 2.2 mm 6
11 Sept. Light rain shower
Light rain shower
23° /11° 2.7 mm 6
12 Sept. Fog
Fog
21° /12° 0.4 mm 5
13 Sept. Fog
Fog
24° /11° 0 mm 6
14 Sept. Fog
Fog
29° /11° 0 mm 7
15 Sept. Partly cloudy
Partly cloudy
28° /12° 0 mm 7
16 Sept. Patchy light rain with thunder
Patchy light rain with thunder
26° /12° 1.2 mm 6
17 Sept. Light rain shower
Light rain shower
23° /11° 6.8 mm 6
18 Sept. Light rain shower
Light rain shower
24° /11° 12.4 mm 6
19 Sept. Fog
Fog
24° /11° 0 mm 6
20 Sept. Light rain
Light rain
21° /12° 12.8 mm 5
21 Sept. Light rain shower
Light rain shower
18° /10° 14.3 mm 4
22 Sept. Light rain shower
Light rain shower
20° /9° 0.7 mm 5
23 Sept. Fog
Fog
21° /8° 0 mm 5
24 Sept. Sunny
Sunny
19° /11° 1.8 mm 5
25 Sept. Light rain shower
Light rain shower
22° /13° 19.4 mm 5
26 Sept. Fog
Fog
21° /11° 18.7 mm 5
27 Sept. Partly cloudy
Partly cloudy
18° /9° 1.6 mm 5
28 Sept. Mist
Mist
22° /10° 0 mm 5
29 Sept. Fog
Fog
23° /12° 0.2 mm 5
30 Sept. Sunny
Sunny
26° /14° 0.3 mm 7
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Important Notice
Our weather forecast for Santiago de Compostela 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 Santiago de Compostela forecast closer to your planned date for the most up-to-date weather information.

Santiago de Compostela in September - FAQ

What are the expected maximum and minimum temperatures in Santiago de Compostela during September?
Enjoy moderate daytime temperatures of up to 24° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Santiago de Compostela during September?
Significant rainfall exceeding 187.3 mm is expected in Santiago de Compostela during September, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Santiago de Compostela during September?
The average wind speed in Santiago de Compostela during September is 11 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Santiago de Compostela in September?

As you prepare for your trip to Santiago de Compostela 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 Santiago de Compostela, during September, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Warm Clothing: Sweaters, hoodies, long 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
    • Scarves: To protect you from the cold wind
    • Gloves/Mittens: Essential for cold weather
    • Warm Hats: Warm hats for insulation in cold weather
    • Umbrellas/Raincoats: For rainy days

September rainfall patterns in Santiago de Compostela

Explore the daily rainfall trends and prepare for Santiago de Compostelas September weather 💧

UV exposure in Santiago de Compostela during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

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Location coordinates Where is Santiago de Compostela?

Get accurate weather forecasts for Santiago de Compostela, located at latitude 42.881 and longitude -8.546. Stay updated with localized weather information tailored for Santiago de Compostela.

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