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September Weather in Castilfrio de la Sierra, Spain

Last updated: August 27, 2025

In Castilfrio de la Sierra, Spain, the average temperature in September hovers around 16°C (61°F). Temperature extremes can range from a chilly 2°C (35°F) to a warm 31°C (88°F). Expect 52 mm (2.1 in) of precipitation spread over approximately 8 days throughout the month, contributing to an average humidity of 64%.

September Temperature in Castilfrio de la Sierra

In September in Castilfrio de la Sierra, the average temperature is 16°C (61°F). The maximum can reach 31°C (88°F), and the minimum can be as low as 2°C (35°F). This range of temperatures makes it essential to pack both light clothing for warmer days and layers for cooler evenings while traveling.

September Weather in Castilfrio de la Sierra: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Castilfrio de la Sierra, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castilfrio de la Sierra, September typically has an average temperature of 16°C (61°F), with highs reaching up to 31°C (88°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec374244485563686861534341
Data source: Temperature data for Castilfrio de la Sierra 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 Castilfrio de la Sierra

In Castilfrio de la Sierra in September, the total precipitation amount is 52 mm (2.1 in) over the course of 8 days.

September Precipitation Trends in Castilfrio de la Sierra

The chart displays monthly precipitation patterns in Castilfrio de la Sierra, 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 Castilfrio de la Sierra, September typically receives around 52 mm (2.1 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec5247641128299473452437446
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Castilfrio de la Sierra

In Castilfrio de la Sierra in September humidity is 64%. With an average temperature of 16°C (61°F), this humidity feels like a refreshing embrace, making traveling comfortable yet invigorating, as you can enjoy outdoor activities without excessive heat weighing you down.

September Average Humidity in Castilfrio de la Sierra

This chart illustrates the average monthly humidity levels in Castilfrio de la Sierra, 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 Castilfrio de la Sierra is approximately 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%80%73%69%64%59%58%58%64%76%82%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Castilfrio de la Sierra

In Castilfrio de la Sierra 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 Castilfrio de la Sierra.

Maximum UV Index Levels in Castilfrio de la Sierra for September

The chart shows the monthly maximum UV Index (UVI) for Castilfrio de la Sierra 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 Castilfrio de la Sierra typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346910111198642
Data source: Castilfrio de la Sierra 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 Castilfrio de la Sierra Compares to Other Months

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

This table compares monthly weather conditions in Castilfrio de la Sierra, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)52 mm (2.0 inches)85%moderate
February Weather5°C (42°F)47 mm (1.9 inches)80%moderate
March Weather6°C (44°F)64 mm (2.5 inches)73%high
April Weather9°C (48°F)112 mm (4.4 inches)69%very high
May Weather13°C (56°F)82 mm (3.2 inches)64%very high
June Weather17°C (63°F)98 mm (3.9 inches)59%extreme
July Weather20°C (68°F)47 mm (1.8 inches)58%extreme
August Weather20°C (68°F)34 mm (1.3 inches)58%very high
September Weather16°C (61°F)52 mm (2.1 inches)64%very high
October Weather12°C (53°F)43 mm (1.7 inches)76%high
November Weather6°C (44°F)74 mm (2.9 inches)82%moderate
December Weather5°C (41°F)46 mm (1.8 inches)84%low

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