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September Weather in Barreiros, Spain

Last updated: August 27, 2025

In September, the average temperature in Barreiros, Spain is a pleasant 17°C (63°F). However, temperatures can vary significantly, with a minimum of 8°C (48°F) and a maximum reaching 29°C (84°F). Expect about 68 mm (2.7 in) of precipitation spread over 13 days, contributing to an average humidity level of 77%. Whether you’re exploring the outdoors or enjoying indoor activities, be prepared for a variety of weather conditions!

September Temperature in Barreiros

In September in Barreiros, the average temperature is 17°C (63°F). Maximum temperatures can reach 29°C (84°F) and minimums can drop to as low as 8°C (48°F). It's a great time to explore outdoor activities while enjoying mild weather.

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

The chart illustrates September temperature patterns in Barreiros, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Barreiros, September typically has an average temperature of 17°C (63°F), with highs reaching up to 29°C (84°F) and lows dropping to around 8°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec475050525760646563585250
Data source: Temperature data for Barreiros 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 Barreiros

In Barreiros in September, the precipitation amount is 68 mm (2.7 in) spread over 13 days.

September Precipitation Trends in Barreiros

The chart displays monthly precipitation patterns in Barreiros, 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 Barreiros, September typically receives around 68 mm (2.7 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec961211149010192486668114145158
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Barreiros

In Barreiros in September, humidity is 77%. With an average temperature of 17°C (63°F), this humidity feels like a cozy blanket wrapped around you, creating a muggy atmosphere that can be a bit uncomfortable for traveling, making you want to seek shade and hydration as you explore.

September Average Humidity in Barreiros

This chart illustrates the average monthly humidity levels in Barreiros, 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 Barreiros is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%83%83%84%84%86%78%77%82%86%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Barreiros

In Barreiros in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Barreiros.

Maximum UV Index Levels in Barreiros for September

The chart shows the monthly maximum UV Index (UVI) for Barreiros 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 Barreiros typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2467910987532
Data source: Barreiros 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 Barreiros Compares to Other Months

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

This table compares monthly weather conditions in Barreiros, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (48°F)96 mm (3.8 inches)87%low
February Weather10°C (50°F)121 mm (4.8 inches)85%moderate
March Weather10°C (50°F)114 mm (4.5 inches)83%high
April Weather11°C (53°F)90 mm (3.5 inches)83%high
May Weather14°C (57°F)101 mm (4.0 inches)84%very high
June Weather16°C (61°F)92 mm (3.6 inches)84%very high
July Weather18°C (64°F)48 mm (1.9 inches)86%very high
August Weather18°C (65°F)66 mm (2.6 inches)78%very high
September Weather17°C (63°F)68 mm (2.7 inches)77%high
October Weather15°C (59°F)114 mm (4.5 inches)82%moderate
November Weather11°C (52°F)144 mm (5.7 inches)86%moderate
December Weather10°C (51°F)158 mm (6.2 inches)87%low

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