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September Weather in Madrid, United States

Last updated: June 24, 2025

In Madrid, United States, the average temperature in September hovers around 20°C (68°F), with a minimum of 3°C (39°F) and a maximum reaching 34°C (94°F). Expect about 124 mm (4.9 in) of precipitation spread over 10 days, and prepare for a relatively high average humidity of 73%.

September Temperature in Madrid

In September in Madrid, the average temperature is 20°C (68°F). Maximums can reach 34°C (94°F), while minimums can dip to as low as 3°C (39°F). This variation in temperature means travelers should prepare for both warm days and cool nights.

September Weather in Madrid: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Madrid, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Madrid, September typically has an average temperature of 20°C (68°F), with highs reaching up to 34°C (94°F) and lows dropping to around 3°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec212238486274777368523730
Data source: Temperature data for Madrid 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 Madrid

In Madrid in September, the precipitation amount is 124 mm (4.9 in) spread over a duration of 10 days.

September Precipitation Trends in Madrid

The chart displays monthly precipitation patterns in Madrid, 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 Madrid, September typically receives around 124 mm (4.9 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec3541777616310085831241294037
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Madrid

In Madrid in September, humidity is 73%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace, making outdoor activities somewhat sticky, yet the atmosphere remains pleasant for leisurely strolls and sightseeing.

September Average Humidity in Madrid

This chart illustrates the average monthly humidity levels in Madrid, 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 Madrid is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%80%77%78%77%81%81%77%73%75%85%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Madrid

In Madrid 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 Madrid.

Maximum UV Index Levels in Madrid for September

The chart shows the monthly maximum UV Index (UVI) for Madrid 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 Madrid typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35689111098643
Data source: Madrid 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 Madrid Compares to Other Months

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

This table compares monthly weather conditions in Madrid, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (21°F)35 mm (1.4 inches)78%moderate
February Weather-6°C (22°F)41 mm (1.6 inches)80%moderate
March Weather4°C (39°F)77 mm (3.0 inches)77%high
April Weather9°C (49°F)76 mm (3.0 inches)77%very high
May Weather17°C (62°F)163 mm (6.4 inches)77%very high
June Weather23°C (74°F)100 mm (3.9 inches)81%extreme
July Weather25°C (77°F)84 mm (3.3 inches)81%very high
August Weather23°C (74°F)83 mm (3.3 inches)77%very high
September Weather20°C (68°F)124 mm (4.9 inches)73%very high
October Weather11°C (52°F)129 mm (5.1 inches)75%high
November Weather3°C (38°F)40 mm (1.6 inches)85%moderate
December Weather-1°C (30°F)37 mm (1.4 inches)83%moderate

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