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September Weather in Castillejar, Spain

Last updated: August 27, 2025

In September, the average temperature in Castillejar, Spain hovers around 20°C (69°F), offering a pleasant climate. Expect temperatures to dip as low as 7°C (44°F) and soar to a maximum of 36°C (97°F). With an average humidity of 61%, the atmosphere can feel quite refreshing, although be prepared for approximately 24 mm (0.9 in) of precipitation spread over 5 days. Enjoy the adaptable weather!

September Temperature in Castillejar

In September in Castillejar, the average temperature is 20°C (69°F). Maximums can reach 36°C (97°F) and minimums can drop as low as 7°C (44°F). Be prepared for warm days and cooler evenings while exploring this destination.

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

The chart illustrates September temperature patterns in Castillejar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castillejar, September typically has an average temperature of 20°C (69°F), with highs reaching up to 36°C (97°F) and lows dropping to around 7°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec404548526271787768594843
Data source: Temperature data for Castillejar 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 Castillejar

In Castillejar in September, the precipitation amount is 24 mm (0.9 in) over the course of 5 days.

September Precipitation Trends in Castillejar

The chart displays monthly precipitation patterns in Castillejar, 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 Castillejar, September typically receives around 24 mm (0.9 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec36267357311971524265645
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Castillejar

In Castillejar in September, humidity is 61%. With an average temperature of 20°C (69°F), this humidity feels like a warm embrace that gently clings to your skin, making it an ideal setting for leisurely strolls in the mornings while keeping you hydrated throughout your travels.

September Average Humidity in Castillejar

This chart illustrates the average monthly humidity levels in Castillejar, 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 Castillejar is approximately 61%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%71%66%58%55%50%55%54%61%70%76%79%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Castillejar

In Castillejar in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Castillejar.

Maximum UV Index Levels in Castillejar for September

The chart shows the monthly maximum UV Index (UVI) for Castillejar 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 Castillejar typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579111211109743
Data source: Castillejar 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 Castillejar Compares to Other Months

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

This table compares monthly weather conditions in Castillejar, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)36 mm (1.4 inches)76%moderate
February Weather7°C (45°F)26 mm (1.0 inches)71%moderate
March Weather9°C (48°F)73 mm (2.9 inches)66%high
April Weather11°C (53°F)57 mm (2.2 inches)58%very high
May Weather17°C (63°F)31 mm (1.2 inches)55%extreme
June Weather21°C (71°F)19 mm (0.8 inches)50%extreme
July Weather25°C (78°F)7 mm (0.3 inches)55%extreme
August Weather25°C (78°F)15 mm (0.6 inches)54%very high
September Weather20°C (69°F)24 mm (0.9 inches)61%very high
October Weather15°C (59°F)26 mm (1.0 inches)70%high
November Weather9°C (48°F)56 mm (2.2 inches)76%moderate
December Weather6°C (44°F)45 mm (1.8 inches)79%moderate

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