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September Weather in Alcobendas, Spain

Last updated: August 27, 2025

In Alcobendas, Spain, the average temperature in September is a pleasant 21°C (70°F). Expect a range from a cool 6°C (44°F) to a warm 36°C (98°F). During this month, precipitation totals around 34 mm (1.3 in) over 4 days, accompanied by an average humidity of 65%.

September Temperature in Alcobendas

In September in Alcobendas, the average temperature is 21°C (70°F). Maximums can reach 36°C (98°F), while minimums can dip as low as 6°C (44°F). Be prepared for warm days and cooler nights, making it an ideal time for travelers to explore the area comfortably.

September Weather in Alcobendas: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Alcobendas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alcobendas, September typically has an average temperature of 21°C (70°F), with highs reaching up to 36°C (98°F) and lows dropping to around 6°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec414750556574807970604945
Data source: Temperature data for Alcobendas generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Alcobendas

In Alcobendas in September, the precipitation amount is 34 mm (1.3 in) over a span of 4 days.

September Precipitation Trends in Alcobendas

The chart displays monthly precipitation patterns in Alcobendas, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Alcobendas, September typically receives around 34 mm (1.3 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec312845712517121934535440
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Alcobendas

In Alcobendas in September humidity is 65%. With an average temperature of 21°C (70°F), this humidity feels quite sticky and can make outdoor activities feel a bit tiring; it's best to stay hydrated and take breaks in the shade while exploring.

September Average Humidity in Alcobendas

This chart illustrates the average monthly humidity levels in Alcobendas, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Alcobendas is approximately 65%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%86%79%74%71%63%59%58%66%77%87%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Alcobendas

In Alcobendas in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Alcobendas.

Maximum UV Index Levels in Alcobendas for September

The chart shows the monthly maximum UV Index (UVI) for Alcobendas in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Alcobendas typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346810111198643
Data source: Alcobendas September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Alcobendas Compares to Other Months

Weather in Alcobendas varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Alcobendas, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Alcobendas, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)31 mm (1.2 inches)90%moderate
February Weather8°C (47°F)28 mm (1.1 inches)86%moderate
March Weather10°C (51°F)45 mm (1.8 inches)79%high
April Weather13°C (55°F)70 mm (2.8 inches)74%very high
May Weather18°C (65°F)25 mm (1.0 inches)71%very high
June Weather23°C (74°F)17 mm (0.7 inches)63%extreme
July Weather27°C (80°F)12 mm (0.5 inches)59%extreme
August Weather26°C (79°F)19 mm (0.7 inches)58%very high
September Weather21°C (70°F)34 mm (1.3 inches)65%very high
October Weather16°C (60°F)53 mm (2.1 inches)77%high
November Weather10°C (49°F)54 mm (2.1 inches)87%moderate
December Weather7°C (45°F)40 mm (1.6 inches)90%moderate

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