Galicia (Santiago de Compostela)
September
Weather in Galicia for September 2025
Your guide to Galicia weather in September - trends and predictions
In general, the average temperature in Galicia 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 Galicia in September is notably wet, with an average of 15 rainy days.
Is September a good time to visit Galicia? check out the best time to travel to Galicia page.
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15
Dry days
15
Rainy days
0
Snow days
24°/13°
Temperatures
11 km/h
Avg max wind
78 %
Avg humidity
Galicia in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  23° | 2  20° | 3 25° | 4  24° | 5  22° | 6  23° | 7 24° |
| 8 24° | 9  23° | 10 24° | 11 23° | 12 21° | 13 24° | 14 29° |
| 15  28° | 16 26° | 17 23° | 18 24° | 19 24° | 20 21° | 21 18° |
| 22 20° | 23 21° | 24  19° | 25 22° | 26 21° | 27 18° | 28 22° |
| 29 23° | 30 26° |
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Temperatures trend during September in Galicia
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. | Torrential rain shower | 23° /13° | 21 mm | 5 | |
| 2 Sept. | Fog | 20° /10° | 0.9 mm | 5 | |
| 3 Sept. | Fog | 25° /11° | 0.1 mm | 6 | |
| 4 Sept. | Light rain shower | 24° /12° | 3.7 mm | 5 | |
| 5 Sept. | Patchy light drizzle | 22° /12° | 2.6 mm | 5 | |
| 6 Sept. | Thundery outbreaks possible | 23° /10° | 3.5 mm | 5 | |
| 7 Sept. | Mist | 24° /11° | 1.5 mm | 5 | |
| 8 Sept. | Light rain shower | 24° /12° | 15.3 mm | 6 | |
| 9 Sept. | Patchy light rain with thunder | 23° /13° | 4.3 mm | 5 | |
| 10 Sept. | Patchy light rain with thunder | 24° /12° | 2.2 mm | 6 | |
| 11 Sept. | Light rain shower | 23° /11° | 2.7 mm | 6 | |
| 12 Sept. | Fog | 21° /12° | 0.4 mm | 5 | |
| 13 Sept. | Fog | 24° /11° | 0 mm | 6 | |
| 14 Sept. | Fog | 29° /11° | 0 mm | 7 | |
| 15 Sept. | Partly cloudy | 28° /12° | 0 mm | 7 | |
| 16 Sept. | Patchy light rain with thunder | 26° /12° | 1.2 mm | 6 | |
| 17 Sept. | Light rain shower | 23° /11° | 6.8 mm | 6 | |
| 18 Sept. | Light rain shower | 24° /11° | 12.4 mm | 6 | |
| 19 Sept. | Fog | 24° /11° | 0 mm | 6 | |
| 20 Sept. | Light rain | 21° /12° | 12.8 mm | 5 | |
| 21 Sept. | Light rain shower | 18° /10° | 14.3 mm | 4 | |
| 22 Sept. | Light rain shower | 20° /9° | 0.7 mm | 5 | |
| 23 Sept. | Fog | 21° /8° | 0 mm | 5 | |
| 24 Sept. | Sunny | 19° /11° | 1.8 mm | 5 | |
| 25 Sept. | Light rain shower | 22° /13° | 19.4 mm | 5 | |
| 26 Sept. | Fog | 21° /11° | 18.7 mm | 5 | |
| 27 Sept. | Partly cloudy | 18° /9° | 1.6 mm | 5 | |
| 28 Sept. | Mist | 22° /10° | 0 mm | 5 | |
| 29 Sept. | Fog | 23° /12° | 0.2 mm | 5 | |
| 30 Sept. | Sunny | 26° /14° | 0.3 mm | 7 | |
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Important Notice
Our weather forecast for Galicia 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 Galicia forecast closer to your planned date for the most up-to-date weather information.
Galicia in September - FAQ
What are the expected maximum and minimum temperatures in Galicia 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 Galicia during September?
Significant rainfall exceeding 187.3 mm is expected in Galicia during September, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Galicia during September?
The average wind speed in Galicia during September is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Galicia in September?
As you prepare for your trip to Galicia 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 Galicia, 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 Galicia
Explore the daily rainfall trends and prepare for Galicias September weather 💧
UV exposure in Galicia during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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