September Weather in San Roman, Spain

Last updated: August 27, 2025

In San Roman, Spain, the average temperature in September is a comfortable 16°C (61°F), making it an inviting time of year. However, temperatures can range from a chilly 3°C (37°F) to a warm 31°C (88°F). Expect 57 mm (2.2 in) of precipitation over about 10 days, contributing to an average humidity of 77%, which adds to the region's lush atmosphere.

September Temperature in San Roman

In September in San Roman, the average temperature is 16°C (61°F). Maximums can reach 31°C (88°F), while minimums can dip as low as 3°C (37°F). This diverse temperature range makes San Roman an ideal destination for travelers seeking both warm days and cooler evenings.

September Weather in San Roman: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Roman, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Roman, September typically has an average temperature of 16°C (61°F), with highs reaching up to 31°C (88°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec404345495560656561544543
Data source: Temperature data for San Roman 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 Roman

In San Roman in September, the precipitation amount is 57 mm (2.2 in) over a span of 10 days.

September Precipitation Trends in San Roman

The chart displays monthly precipitation patterns in San Roman, 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 Roman, September typically receives around 57 mm (2.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec1151401479511292403857118174248
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Roman

In San Roman in September humidity is 77%. With an average temperature of 16°C (61°F), this humidity feels like a slight heaviness in the air, making every step feel a touch more effortful while traveling. The dampness clings to your skin, adding a layer of discomfort, yet the mild temperature invites you to explore the surroundings, blending the challenge of the humidity with an opportunity for a refreshing adventure.

September Average Humidity in San Roman

This chart illustrates the average monthly humidity levels in San Roman, 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 Roman is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%83%83%84%84%86%78%77%82%86%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in San Roman

In San Roman 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 Roman.

Maximum UV Index Levels in San Roman for September

The chart shows the monthly maximum UV Index (UVI) for San Roman 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 Roman typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24689111098632
Data source: San Roman 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 Roman Compares to Other Months

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

This table compares monthly weather conditions in San Roman, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)115 mm (4.5 inches)87%low
February Weather6°C (44°F)139 mm (5.5 inches)85%moderate
March Weather7°C (45°F)147 mm (5.8 inches)83%high
April Weather10°C (50°F)95 mm (3.7 inches)83%very high
May Weather13°C (56°F)112 mm (4.4 inches)84%very high
June Weather15°C (60°F)92 mm (3.6 inches)84%extreme
July Weather18°C (65°F)40 mm (1.6 inches)86%very high
August Weather18°C (65°F)38 mm (1.5 inches)78%very high
September Weather16°C (61°F)57 mm (2.2 inches)77%very high
October Weather12°C (54°F)118 mm (4.6 inches)82%high
November Weather7°C (46°F)174 mm (6.9 inches)86%moderate
December Weather6°C (43°F)247 mm (9.7 inches)87%low

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