September Weather in Riaguas de San Bartolome, Spain

Last updated: August 27, 2025

In Riaguas de San Bartolome, Spain, the average temperature in September is a pleasant 18°C (64°F). Temperatures can vary significantly, dipping as low as 3°C (39°F) and soaring up to 33°C (91°F). You can expect about 28 mm (1.1 in) of precipitation over 7 days, with an average humidity level of 65%.

September Temperature in Riaguas de San Bartolome

In September in Riaguas de San Bartolome, the average temperature is 18°C (64°F), with maximums reaching up to 33°C (91°F) and minimums dropping as low as 3°C (39°F). Be sure to pack layers to accommodate the warm days and cool evenings during your travels.

September Weather in Riaguas de San Bartolome: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Riaguas de San Bartolome, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Riaguas de San Bartolome, September typically has an average temperature of 18°C (64°F), with highs reaching up to 33°C (91°F) and lows dropping to around 3°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec374346505866737364554541
Data source: Temperature data for Riaguas de San Bartolome generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Riaguas de San Bartolome

In Riaguas de San Bartolome in September, the precipitation amount is 28 mm (1.1 in) over a period of 7 days.

September Precipitation Trends in Riaguas de San Bartolome

The chart displays monthly precipitation patterns in Riaguas de San Bartolome, 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 Riaguas de San Bartolome, September typically receives around 28 mm (1.1 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec464457846355231628457061
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Riaguas de San Bartolome

In Riaguas de San Bartolome in September, humidity is 65%. With an average temperature of 18°C (64°F), this humidity feels like a slightly muggy embrace, making outdoor exploration enjoyable but requiring a light jacket and frequent hydration breaks.

September Average Humidity in Riaguas de San Bartolome

This chart illustrates the average monthly humidity levels in Riaguas de San Bartolome, 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 Riaguas de San Bartolome is approximately 65%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%86%79%74%71%63%59%58%66%77%87%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Riaguas de San Bartolome

In Riaguas de San Bartolome 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 Riaguas de San Bartolome.

Maximum UV Index Levels in Riaguas de San Bartolome for September

The chart shows the monthly maximum UV Index (UVI) for Riaguas de San Bartolome 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 Riaguas de San Bartolome typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3468101111108642
Data source: Riaguas de San Bartolome 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 Riaguas de San Bartolome Compares to Other Months

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

This table compares monthly weather conditions in Riaguas de San Bartolome, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)46 mm (1.8 inches)90%moderate
February Weather6°C (43°F)44 mm (1.7 inches)86%moderate
March Weather8°C (46°F)57 mm (2.2 inches)79%high
April Weather10°C (51°F)84 mm (3.3 inches)74%very high
May Weather15°C (59°F)63 mm (2.5 inches)71%very high
June Weather19°C (66°F)55 mm (2.1 inches)63%extreme
July Weather23°C (73°F)23 mm (0.9 inches)59%extreme
August Weather23°C (73°F)16 mm (0.6 inches)58%very high
September Weather18°C (64°F)28 mm (1.1 inches)65%very high
October Weather13°C (55°F)45 mm (1.8 inches)77%high
November Weather7°C (45°F)70 mm (2.8 inches)87%moderate
December Weather5°C (41°F)61 mm (2.4 inches)90%low

Compare Riaguas de San Bartolome's Climate with Cities Worldwide