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September Weather in San Martin del Rio, Spain

Last updated: August 27, 2025

In September, the average temperature in San Martin del Rio, Spain hovers around 18°C (65°F), offering a pleasant climate. Expect temperatures to range from a chilly 3°C (38°F) to a warm 32°C (90°F). During this time, you can anticipate 30 mm (1.2 in) of precipitation spread over 6 days, with an average humidity of 64%, creating a comfortable atmosphere for exploration.

September Temperature in San Martin del Rio

In September in San Martin del Rio, the average temperature is 18°C (65°F). Maximum temperatures can reach 32°C (90°F), while minimums can drop as low as 3°C (38°F). Be prepared for a range of weather conditions when traveling during this time.

September Weather in San Martin del Rio: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Martin del Rio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Martin del Rio, September typically has an average temperature of 18°C (65°F), with highs reaching up to 32°C (90°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec384346516068747365564541
Data source: Temperature data for San Martin del Rio 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 San Martin del Rio

In San Martin del Rio in September, the total precipitation amount is 30 mm (1.2 in) spread across 6 days.

September Precipitation Trends in San Martin del Rio

The chart displays monthly precipitation patterns in San Martin del Rio, 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 San Martin del Rio, September typically receives around 30 mm (1.2 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec392747895654192630375732
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Martin del Rio

In San Martin del Rio in September humidity is 64%. With an average temperature of 18°C (65°F), this humidity feels like a gentle embrace, perfect for leisurely strolls yet slightly sticky, reminding travelers to stay hydrated and take breaks in the shade.

September Average Humidity in San Martin del Rio

This chart illustrates the average monthly humidity levels in San Martin del Rio, 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 San Martin del Rio is approximately 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%80%73%69%64%59%58%58%64%76%82%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in San Martin del Rio

In San Martin del Rio 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 San Martin del Rio.

Maximum UV Index Levels in San Martin del Rio for September

The chart shows the monthly maximum UV Index (UVI) for San Martin del Rio 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 San Martin del Rio typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346810111198642
Data source: San Martin del Rio 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 San Martin del Rio Compares to Other Months

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

This table compares monthly weather conditions in San Martin del Rio, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)39 mm (1.5 inches)85%moderate
February Weather6°C (44°F)27 mm (1.1 inches)80%moderate
March Weather8°C (47°F)47 mm (1.9 inches)73%high
April Weather10°C (51°F)89 mm (3.5 inches)69%very high
May Weather15°C (60°F)56 mm (2.2 inches)64%very high
June Weather20°C (68°F)54 mm (2.1 inches)59%extreme
July Weather23°C (74°F)19 mm (0.8 inches)58%extreme
August Weather23°C (74°F)26 mm (1.0 inches)58%very high
September Weather18°C (65°F)30 mm (1.2 inches)64%very high
October Weather13°C (56°F)37 mm (1.5 inches)76%high
November Weather7°C (45°F)57 mm (2.2 inches)82%moderate
December Weather5°C (42°F)32 mm (1.3 inches)84%low

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