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September Weather in Castro Caldelas, Spain

Last updated: August 27, 2025

In September, the average temperature in Castro Caldelas, Spain hovers around 16°C (62°F), with minimums dipping to 3°C (38°F) and highs reaching 31°C (88°F). During this month, expect about 58 mm (2.3 in) of precipitation over roughly 9 days, contributing to an average humidity level of 79%. Perfect for those who enjoy a mild climate with occasional showers!

September Temperature in Castro Caldelas

In September in Castro Caldelas, the average temperature is 16°C (62°F). The maximum can reach 31°C (88°F), and the minimum can be as low as 3°C (38°F). Pack accordingly to enjoy the pleasant days while being prepared for cooler evenings!

September Weather in Castro Caldelas: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Castro Caldelas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castro Caldelas, September typically has an average temperature of 16°C (62°F), with highs reaching up to 31°C (88°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec414546505761666561554644
Data source: Temperature data for Castro Caldelas 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 Castro Caldelas

In Castro Caldelas in September, the precipitation amount is 58 mm (2.3 in) spread over 9 days.

September Precipitation Trends in Castro Caldelas

The chart displays monthly precipitation patterns in Castro Caldelas, 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 Castro Caldelas, September typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec891291291089671353558110145193
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Castro Caldelas

In Castro Caldelas in September, humidity is 79%. With an average temperature of 16°C (62°F), this humidity feels like a warm, enveloping blanket that makes walking outdoors feel languid and heavy, demanding frequent breaks and plenty of water as you navigate the bustling streets.

September Average Humidity in Castro Caldelas

This chart illustrates the average monthly humidity levels in Castro Caldelas, 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 Castro Caldelas is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%83%82%83%83%83%82%78%79%82%84%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Castro Caldelas

In Castro Caldelas 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 Castro Caldelas.

Maximum UV Index Levels in Castro Caldelas for September

The chart shows the monthly maximum UV Index (UVI) for Castro Caldelas 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 Castro Caldelas typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24689111098632
Data source: Castro Caldelas 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 Castro Caldelas Compares to Other Months

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

This table compares monthly weather conditions in Castro Caldelas, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)88 mm (3.5 inches)84%low
February Weather7°C (45°F)129 mm (5.1 inches)83%moderate
March Weather8°C (46°F)129 mm (5.1 inches)82%high
April Weather10°C (51°F)108 mm (4.2 inches)83%very high
May Weather14°C (57°F)96 mm (3.8 inches)83%very high
June Weather16°C (61°F)71 mm (2.8 inches)83%extreme
July Weather19°C (66°F)35 mm (1.4 inches)82%very high
August Weather19°C (66°F)35 mm (1.4 inches)78%very high
September Weather16°C (62°F)58 mm (2.3 inches)79%very high
October Weather13°C (55°F)110 mm (4.3 inches)82%high
November Weather8°C (47°F)145 mm (5.7 inches)84%moderate
December Weather7°C (44°F)193 mm (7.6 inches)85%low

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