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September Weather in Sant Lluis, Spain

Last updated: August 27, 2025

In September, the average temperature in Sant Lluis, Spain is a pleasant 24°C (76°F). Visitors can expect a minimum temperature of 18°C (64°F) and a maximum of 28°C (83°F). Be prepared for 44 mm (1.7 in) of precipitation spread over 6 days, and enjoy the warm atmosphere with an average humidity of 77%.

September Temperature in Sant Lluis

In September, in Sant Lluis, the average temperature is 24°C (76°F), with maximums reaching 28°C (83°F) and minimums dropping to as low as 18°C (64°F). This pleasant climate makes Sant Lluis an ideal destination for travelers seeking warm weather and comfortable outdoor activities.

September Weather in Sant Lluis: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Sant Lluis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sant Lluis, September typically has an average temperature of 24°C (76°F), with highs reaching up to 28°C (83°F) and lows dropping to around 18°C (64°F).
JanFebMarAprMayJunJulAugSepOctNovDec555657596471777975706359
Data source: Temperature data for Sant Lluis 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 Lluis

In Sant Lluis in September, the total precipitation amount is 44 mm (1.7 in) spread over 6 days.

September Precipitation Trends in Sant Lluis

The chart displays monthly precipitation patterns in Sant Lluis, 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 Lluis, September typically receives around 44 mm (1.7 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec70273232271347445912659
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sant Lluis

In Sant Lluis in September humidity is 77%. With an average temperature of 24°C (76°F), this humidity feels like traveling through a warm, heavy blanket that clings to your skin, making each step feel like a gentle workout as the air wraps around you, urging you to move at a leisurely pace and seek out shade whenever possible.

September Average Humidity in Sant Lluis

This chart illustrates the average monthly humidity levels in Sant Lluis, 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 Lluis is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%73%76%79%79%82%84%81%77%78%73%73%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sant Lluis

In Sant Lluis 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 Sant Lluis.

Maximum UV Index Levels in Sant Lluis for September

The chart shows the monthly maximum UV Index (UVI) for Sant Lluis 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 Lluis typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098642
Data source: Sant Lluis 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 Lluis Compares to Other Months

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

This table compares monthly weather conditions in Sant Lluis, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather13°C (56°F)70 mm (2.7 inches)76%moderate
February Weather13°C (56°F)27 mm (1.1 inches)73%moderate
March Weather14°C (57°F)32 mm (1.3 inches)76%high
April Weather15°C (59°F)32 mm (1.3 inches)79%very high
May Weather18°C (65°F)27 mm (1.1 inches)79%very high
June Weather22°C (72°F)13 mm (0.5 inches)82%very high
July Weather25°C (77°F)4 mm (0.2 inches)84%very high
August Weather26°C (79°F)7 mm (0.3 inches)81%very high
September Weather24°C (76°F)44 mm (1.7 inches)77%very high
October Weather21°C (70°F)59 mm (2.3 inches)78%high
November Weather17°C (63°F)126 mm (5.0 inches)73%moderate
December Weather15°C (59°F)59 mm (2.3 inches)73%low

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