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September Weather in Sant Cugat del Valles, Spain

Last updated: August 27, 2025

In September, the average temperature in Sant Cugat del Valles, Spain hovers around 21°C (70°F). While you might experience a refreshing low of 10°C (50°F), be prepared for peaks reaching up to 31°C (88°F). Expect about 93 mm (3.7 in) of precipitation spread over 14 days, with an average humidity of 68% to keep the atmosphere comfortably warm.

September Temperature in Sant Cugat del Valles

In September in Sant Cugat del Valles, the average temperature is 21°C (70°F), with maximums reaching up to 31°C (88°F) and minimums dropping to as low as 10°C (50°F). This makes it an ideal time for traveling, as you can enjoy warm days and pleasant evenings.

September Weather in Sant Cugat del Valles: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Sant Cugat del Valles, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sant Cugat del Valles, September typically has an average temperature of 21°C (70°F), with highs reaching up to 31°C (88°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec454952556370767670625247
Data source: Temperature data for Sant Cugat del Valles 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 Sant Cugat del Valles

In Sant Cugat del Valles, in September, the precipitation amount is 93 mm (3.7 in) over the course of 14 days.

September Precipitation Trends in Sant Cugat del Valles

The chart displays monthly precipitation patterns in Sant Cugat del Valles, 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 Sant Cugat del Valles, September typically receives around 93 mm (3.7 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec5245518058394152931196426
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sant Cugat del Valles

In Sant Cugat del Valles in September humidity is 68%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace, making the air feel slightly heavy and sticky, which can be quite exhausting for travelers.

September Average Humidity in Sant Cugat del Valles

This chart illustrates the average monthly humidity levels in Sant Cugat del Valles, 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 Sant Cugat del Valles is approximately 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%74%71%69%66%65%64%64%68%77%79%79%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sant Cugat del Valles

In Sant Cugat del Valles 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 Sant Cugat del Valles.

Maximum UV Index Levels in Sant Cugat del Valles for September

The chart shows the monthly maximum UV Index (UVI) for Sant Cugat del Valles 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 Sant Cugat del Valles typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34579101097632
Data source: Sant Cugat del Valles 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 Sant Cugat del Valles Compares to Other Months

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

This table compares monthly weather conditions in Sant Cugat del Valles, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)52 mm (2.1 inches)79%moderate
February Weather9°C (49°F)45 mm (1.8 inches)74%moderate
March Weather11°C (52°F)51 mm (2.0 inches)71%moderate
April Weather13°C (56°F)80 mm (3.2 inches)69%high
May Weather17°C (63°F)57 mm (2.3 inches)66%very high
June Weather21°C (71°F)39 mm (1.5 inches)65%very high
July Weather24°C (76°F)41 mm (1.6 inches)64%very high
August Weather24°C (76°F)52 mm (2.0 inches)64%very high
September Weather21°C (70°F)93 mm (3.7 inches)68%high
October Weather17°C (62°F)119 mm (4.7 inches)77%high
November Weather11°C (53°F)64 mm (2.5 inches)79%moderate
December Weather8°C (48°F)26 mm (1.0 inches)79%low

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