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September Weather in Castilnuevo, Spain

Last updated: August 27, 2025

In September, the average temperature in Castilnuevo, Spain hovers around 17°C (63°F), with a minimum of 3°C (38°F) and a maximum soaring to 31°C (87°F). Expect an average precipitation of 41 mm (1.6 in) over approximately 6 days, along with a comfortable average humidity of 64%. Enjoy the diverse climate that this vibrant destination has to offer!

September Temperature in Castilnuevo

In September in Castilnuevo, the average temperature is 17°C (63°F). Maximum temperatures can reach 31°C (87°F), while minimum temperatures can drop to as low as 3°C (38°F). This makes it an ideal time for travelers to enjoy a range of outdoor activities while packing for varying weather conditions.

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

The chart illustrates September temperature patterns in Castilnuevo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castilnuevo, September typically has an average temperature of 17°C (63°F), with highs reaching up to 31°C (87°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec364144485765727162544340
Data source: Temperature data for Castilnuevo 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 Castilnuevo

In Castilnuevo in September, the precipitation amount is 41 mm (1.6 in) over the course of 6 days.

September Precipitation Trends in Castilnuevo

The chart displays monthly precipitation patterns in Castilnuevo, 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 Castilnuevo, September typically receives around 41 mm (1.6 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec4138671087769253541486241
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Castilnuevo

In Castilnuevo in September humidity is 64%. With an average temperature of 17°C (63°F), this humidity feels like a mild dampness that can make outdoor activities feel slightly muggy, but it's still comfortable for exploring the area.

September Average Humidity in Castilnuevo

This chart illustrates the average monthly humidity levels in Castilnuevo, 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 Castilnuevo 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 Castilnuevo

In Castilnuevo 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 Castilnuevo.

Maximum UV Index Levels in Castilnuevo for September

The chart shows the monthly maximum UV Index (UVI) for Castilnuevo 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 Castilnuevo typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3469101211108643
Data source: Castilnuevo 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 Castilnuevo Compares to Other Months

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

This table compares monthly weather conditions in Castilnuevo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)41 mm (1.6 inches)85%moderate
February Weather5°C (41°F)38 mm (1.5 inches)80%moderate
March Weather7°C (44°F)67 mm (2.7 inches)73%high
April Weather9°C (48°F)107 mm (4.2 inches)69%very high
May Weather14°C (57°F)77 mm (3.0 inches)64%very high
June Weather18°C (65°F)69 mm (2.7 inches)59%extreme
July Weather22°C (72°F)25 mm (1.0 inches)58%extreme
August Weather22°C (71°F)35 mm (1.4 inches)58%very high
September Weather17°C (63°F)41 mm (1.6 inches)64%very high
October Weather12°C (54°F)48 mm (1.9 inches)76%high
November Weather6°C (43°F)62 mm (2.4 inches)82%moderate
December Weather4°C (40°F)41 mm (1.6 inches)84%moderate

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