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September Weather in Trefacio, Spain

Last updated: August 27, 2025

In Trefacio, Spain, the average temperature in September hovers around 16°C (61°F), with minimums dipping to 4°C (39°F) and maximums reaching up to 29°C (85°F). Expect a precipitation of 52 mm (2.1 in) spread over about 7 days. Additionally, the average humidity tends to linger at around 63%, making for a moderately comfortable climate.

September Temperature in Trefacio

In September in Trefacio, the average temperature is 16°C (61°F). The maximum can reach 29°C (85°F), while the minimum can drop as low as 4°C (39°F). Pack accordingly to enjoy your trip, with both light clothing for warmer days and warmer layers for cooler nights.

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

The chart illustrates September temperature patterns in Trefacio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Trefacio, September typically has an average temperature of 16°C (61°F), with highs reaching up to 29°C (85°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec384243485561676661534341
Data source: Temperature data for Trefacio 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 Trefacio

In Trefacio in September, the precipitation amount is 52 mm (2.1 in) over the course of 7 days.

September Precipitation Trends in Trefacio

The chart displays monthly precipitation patterns in Trefacio, 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 Trefacio, September typically receives around 52 mm (2.1 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec71118125104705924205292131166
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Trefacio

In Trefacio in September humidity is 63%. With an average temperature of 16°C (61°F), this humidity feels like a soft, damp blanket wrapping around you, making outdoor excursions a bit muggy but manageable.

September Average Humidity in Trefacio

This chart illustrates the average monthly humidity levels in Trefacio, 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 Trefacio is approximately 63%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%85%79%77%76%64%54%52%63%78%90%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Trefacio

In Trefacio 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 Trefacio.

Maximum UV Index Levels in Trefacio for September

The chart shows the monthly maximum UV Index (UVI) for Trefacio 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 Trefacio typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec246910111098642
Data source: Trefacio 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 Trefacio Compares to Other Months

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

This table compares monthly weather conditions in Trefacio, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)71 mm (2.8 inches)91%low
February Weather5°C (42°F)118 mm (4.6 inches)85%moderate
March Weather6°C (44°F)125 mm (4.9 inches)79%high
April Weather9°C (48°F)104 mm (4.1 inches)77%very high
May Weather13°C (55°F)70 mm (2.8 inches)76%very high
June Weather16°C (61°F)59 mm (2.3 inches)64%extreme
July Weather19°C (67°F)24 mm (1.0 inches)54%very high
August Weather19°C (66°F)20 mm (0.8 inches)52%very high
September Weather16°C (61°F)52 mm (2.1 inches)63%very high
October Weather12°C (53°F)92 mm (3.6 inches)78%high
November Weather6°C (44°F)131 mm (5.2 inches)90%moderate
December Weather5°C (41°F)166 mm (6.5 inches)91%low

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