September Weather in Castilblanco, Spain

Last updated: August 27, 2025

In September, the average temperature in Castilblanco, Spain hovers around 23°C (74°F). However, temperatures can vary significantly, with minimums dropping to 10°C (50°F) and maximums soaring to 37°C (98°F). Expect 23 mm (0.9 in) of precipitation spread over 5 days, accompanied by a comfortable average humidity of 53%.

September Temperature in Castilblanco

In September in Castilblanco, the average temperature is 23°C (74°F), with maximums reaching up to 37°C (98°F) and minimums dropping as low as 10°C (50°F). This makes it an ideal time for travelers seeking a warm climate with a bit of variability for outdoor activities.

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

The chart illustrates September temperature patterns in Castilblanco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castilblanco, September typically has an average temperature of 23°C (74°F), with highs reaching up to 37°C (98°F) and lows dropping to around 10°C (50°F).

Data source: Temperature data for Castilblanco generated using information from the Copernicus Climate Change Service.

September Precipitation in Castilblanco

In Castilblanco in September, the precipitation amount is 23 mm (0.9 in) over the course of 5 days.

September Precipitation Trends in Castilblanco

The chart displays monthly precipitation patterns in Castilblanco, 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 Castilblanco, September typically receives around 23 mm (0.9 inches) of precipitation spread over approximately 5 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Castilblanco

In Castilblanco in September, humidity is 53%. With an average temperature of 23°C (74°F), this humidity feels like a warm embrace, making it comfortable for exploring the sights while still requiring occasional breaks in the shade to stay refreshed.

September Average Humidity in Castilblanco

This chart illustrates the average monthly humidity levels in Castilblanco, 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 Castilblanco is approximately 53%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Castilblanco

In Castilblanco 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 Castilblanco.

Maximum UV Index Levels in Castilblanco for September

The chart shows the monthly maximum UV Index (UVI) for Castilblanco 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 Castilblanco typically reaches 8, which falls under the very high exposure category.

Data source: Castilblanco 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 Castilblanco Compares to Other Months

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

This table compares monthly weather conditions in Castilblanco, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	7°C (44°F)	37 mm (1.5 inches)	87%	moderate
February Weather	10°C (50°F)	38 mm (1.5 inches)	76%	moderate
March Weather	11°C (53°F)	72 mm (2.8 inches)	68%	high
April Weather	14°C (57°F)	72 mm (2.8 inches)	64%	very high
May Weather	19°C (67°F)	26 mm (1.0 inches)	62%	very high
June Weather	24°C (75°F)	9 mm (0.4 inches)	47%	extreme
July Weather	27°C (82°F)	9 mm (0.4 inches)	46%	extreme
August Weather	28°C (82°F)	6 mm (0.2 inches)	42%	very high
September Weather	23°C (74°F)	23 mm (0.9 inches)	53%	very high
October Weather	18°C (64°F)	63 mm (2.5 inches)	69%	high
November Weather	11°C (52°F)	74 mm (2.9 inches)	85%	moderate
December Weather	9°C (48°F)	61 mm (2.4 inches)	87%	moderate