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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.

  • Expect significant rainfall in Santander during September, with an average of 19 rainy days.

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

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
11
Dry days
Average rainy days
19
Rainy days
Average snowy days
0
Snow days
Average temperatures
22°/18°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
77 %
Avg humidity

Santander in September average weather

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Temperatures trend during September in Santander

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. Cloudy
Cloudy
21° /17° 1.6 mm 5
2 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
20° /17° 9.7 mm 5
3 Sept. Partly cloudy
Partly cloudy
21° /17° 3 mm 5
4 Sept. Light rain shower
Light rain shower
23° /18° 10.8 mm 5
5 Sept. Sunny
Sunny
22° /16° 9.8 mm 6
6 Sept. Patchy rain possible
Patchy rain possible
21° /16° 3.5 mm 5
7 Sept. Thundery outbreaks possible
Thundery outbreaks possible
22° /17° 1 mm 5
8 Sept. Partly cloudy
Partly cloudy
22° /17° 1.1 mm 6
9 Sept. Patchy light rain with thunder
Patchy light rain with thunder
24° /17° 1.9 mm 6
10 Sept. Light rain shower
Light rain shower
21° /17° 5.1 mm 5
11 Sept. Thundery outbreaks possible
Thundery outbreaks possible
21° /17° 2.1 mm 5
12 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
19° /17° 14.9 mm 5
13 Sept. Partly cloudy
Partly cloudy
19° /15° 1.1 mm 5
14 Sept. Partly cloudy
Partly cloudy
20° /14° 0 mm 6
15 Sept. Thundery outbreaks possible
Thundery outbreaks possible
22° /15° 1.8 mm 5
16 Sept. Patchy rain possible
Patchy rain possible
22° /15° 0.1 mm 6
17 Sept. Patchy light rain
Patchy light rain
21° /16° 0.9 mm 5
18 Sept. Light rain shower
Light rain shower
21° /16° 0.6 mm 5
19 Sept. Patchy rain possible
Patchy rain possible
20° /15° 1.5 mm 5
20 Sept. Sunny
Sunny
20° /16° 4 mm 6
21 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
20° /16° 11.1 mm 5
22 Sept. Light rain shower
Light rain shower
18° /15° 7.2 mm 4
23 Sept. Patchy rain possible
Patchy rain possible
19° /14° 0.6 mm 4
24 Sept. Sunny
Sunny
20° /14° 1 mm 6
25 Sept. Sunny
Sunny
23° /15° 0.1 mm 6
26 Sept. Patchy rain possible
Patchy rain possible
21° /16° 15 mm 5
27 Sept. Overcast
Overcast
19° /16° 3.7 mm 5
28 Sept. Sunny
Sunny
19° /14° 3.4 mm 5
29 Sept. Patchy rain possible
Patchy rain possible
22° /15° 0.1 mm 5
30 Sept. Sunny
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 22° and lows near 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in Santander during September?
Moderate rainfall is anticipated in Santander during September, with a total of 99.9 mm spread over approximately 19 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Santander during September?
The average wind speed in Santander during September is 19 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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Location coordinates Where is Santander?

Get accurate weather forecasts for Santander, located at latitude 43.465 and longitude -3.804. Stay updated with localized weather information tailored for Santander.

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