Santander
September
Weather in Santander for September 2025
Your guide to Santander weather in September - trends and predictions
In general, the average temperature in Santander at the beginning of September is 21.4 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 20.7 °C by the end of September.
Santander experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 116.8 mm.
Is September a good time to visit Santander? check out the best time to travel to Santander page.
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Temperatures
Rain 🌧️
More
8
Dry days
22
Rainy days
0
Snow days
21°/16°
Temperatures
20 km/h
Avg max wind
76 %
Avg humidity
Santander in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  21° | 2  20° | 3  21° | 4  23° | 5  22° | 6 21° | 7  22° |
| 8 22° | 9  24° | 10 21° | 11 21° | 12 19° | 13 19° | 14 20° |
| 15 22° | 16 22° | 17  21° | 18 21° | 19 20° | 20 20° | 21 20° |
| 22 18° | 23 19° | 24 20° | 25 23° | 26 21° | 27  19° | 28 19° |
| 29 22° | 30 21° |
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Temperatures trend during September in Santander
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. | Cloudy | 21° /17° | 1.6 mm | 5 | |
| 2 Sept. | Moderate or heavy rain shower | 20° /17° | 9.7 mm | 5 | |
| 3 Sept. | Partly cloudy | 21° /17° | 3 mm | 5 | |
| 4 Sept. | Light rain shower | 23° /18° | 10.8 mm | 5 | |
| 5 Sept. | Sunny | 22° /16° | 9.8 mm | 6 | |
| 6 Sept. | Patchy rain possible | 21° /16° | 3.5 mm | 5 | |
| 7 Sept. | Thundery outbreaks possible | 22° /17° | 1 mm | 5 | |
| 8 Sept. | Partly cloudy | 22° /17° | 1.1 mm | 6 | |
| 9 Sept. | Patchy light rain with thunder | 24° /17° | 1.9 mm | 6 | |
| 10 Sept. | Light rain shower | 21° /17° | 5.1 mm | 5 | |
| 11 Sept. | Thundery outbreaks possible | 21° /17° | 2.1 mm | 5 | |
| 12 Sept. | Moderate or heavy rain shower | 19° /17° | 14.9 mm | 5 | |
| 13 Sept. | Partly cloudy | 19° /15° | 1.1 mm | 5 | |
| 14 Sept. | Partly cloudy | 20° /14° | 0 mm | 6 | |
| 15 Sept. | Thundery outbreaks possible | 22° /15° | 1.8 mm | 5 | |
| 16 Sept. | Patchy rain possible | 22° /15° | 0.1 mm | 6 | |
| 17 Sept. | Patchy light rain | 21° /16° | 0.9 mm | 5 | |
| 18 Sept. | Light rain shower | 21° /16° | 0.6 mm | 5 | |
| 19 Sept. | Patchy rain possible | 20° /15° | 1.5 mm | 5 | |
| 20 Sept. | Sunny | 20° /16° | 4 mm | 6 | |
| 21 Sept. | Moderate or heavy rain shower | 20° /16° | 11.1 mm | 5 | |
| 22 Sept. | Light rain shower | 18° /15° | 7.2 mm | 4 | |
| 23 Sept. | Patchy rain possible | 19° /14° | 0.6 mm | 4 | |
| 24 Sept. | Sunny | 20° /14° | 1 mm | 6 | |
| 25 Sept. | Sunny | 23° /15° | 0.1 mm | 6 | |
| 26 Sept. | Patchy rain possible | 21° /16° | 15 mm | 5 | |
| 27 Sept. | Overcast | 19° /16° | 3.7 mm | 5 | |
| 28 Sept. | Sunny | 19° /14° | 3.4 mm | 5 | |
| 29 Sept. | Patchy rain possible | 22° /15° | 0.1 mm | 5 | |
| 30 Sept. | Sunny | 21° /16° | 0 mm | 5 | |
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Important Notice
Our weather forecast for Santander 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 Santander forecast closer to your planned date for the most up-to-date weather information.
Santander in September - FAQ
What are the expected maximum and minimum temperatures in Santander during September?
During September, expect a variety of temperatures with highs around 21° and lows near 16°, suitable for diverse activities and preferences.
How much rainfall should be expected in Santander during September?
Significant rainfall exceeding 116.8 mm is expected in Santander during September, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Santander during September?
The average wind speed in Santander during September is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Santander in September?
As you prepare for your trip to Santander 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 Santander, 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 Santander
Explore the daily rainfall trends and prepare for Santanders September weather 💧
UV exposure in Santander during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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