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September Weather in Seira, Spain

Last updated: August 27, 2025

In September, the average temperature in Seira, Spain hovers around 13°C (56°F), with minimums dipping to 0°C (33°F) and maximums reaching up to 25°C (78°F). Expect 63 mm (2.5 in) of precipitation spread over 11 days, contributing to an average humidity level of 73%. Stay prepared for a mix of chilly and warm weather as you explore this charming destination!

September Temperature in Seira

In September in Seira, the average temperature is 13°C (56°F). Maximums can reach 25°C (78°F), while minimums can drop as low as 0°C (33°F). Packing layers is essential for travelers, as you may experience a wide range of temperatures throughout the day.

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

The chart illustrates September temperature patterns in Seira, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Seira, September typically has an average temperature of 13°C (56°F), with highs reaching up to 25°C (78°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec303437425058636356483632
Data source: Temperature data for Seira 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 Seira

In Seira in September, the precipitation amount is 63 mm (2.5 in) during a total of 11 days.

September Precipitation Trends in Seira

The chart displays monthly precipitation patterns in Seira, 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 Seira, September typically receives around 63 mm (2.5 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec585597117120106456863918897
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Seira

In Seira in September humidity is 73%. With an average temperature of 13°C (56°F), this humidity feels like a cool, damp embrace that can be quite refreshing yet may require a light jacket for comfort while exploring the outdoors.

September Average Humidity in Seira

This chart illustrates the average monthly humidity levels in Seira, 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 Seira is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%83%80%77%75%74%72%70%73%82%87%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Seira

In Seira 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 Seira.

Maximum UV Index Levels in Seira for September

The chart shows the monthly maximum UV Index (UVI) for Seira 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 Seira typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689111198632
Data source: Seira 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 Seira Compares to Other Months

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

This table compares monthly weather conditions in Seira, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)58 mm (2.3 inches)87%moderate
February Weather1°C (35°F)55 mm (2.2 inches)83%moderate
March Weather3°C (37°F)97 mm (3.8 inches)80%high
April Weather5°C (42°F)117 mm (4.6 inches)77%very high
May Weather10°C (50°F)120 mm (4.7 inches)75%very high
June Weather14°C (58°F)106 mm (4.2 inches)74%extreme
July Weather17°C (64°F)45 mm (1.8 inches)72%extreme
August Weather17°C (64°F)68 mm (2.7 inches)70%very high
September Weather13°C (56°F)63 mm (2.5 inches)73%very high
October Weather9°C (48°F)91 mm (3.6 inches)82%high
November Weather2°C (37°F)88 mm (3.5 inches)87%moderate
December Weather0°C (32°F)97 mm (3.8 inches)88%low

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