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September Weather in Viana de Duero, Spain

Last updated: August 27, 2025

In September, the average temperature in Viana de Duero, Spain is a pleasant 18°C (64°F). However, temperatures can vary significantly, dipping as low as 1°C (35°F) and soaring to 33°C (92°F). Expect about 38 mm (1.5 in) of precipitation spread over 7 days, coupled with an average humidity of 65%. Perfect for enjoying both the sun and a refreshing drizzle!

September Temperature in Viana de Duero

In September in Viana de Duero, the average temperature is 18°C (64°F). The maximum can reach 33°C (92°F), while the minimum can drop as low as 1°C (35°F). This makes it an ideal time for outdoor activities and exploring the local attractions, but be sure to pack for both warm days and cool nights.

September Weather in Viana de Duero: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Viana de Duero, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Viana de Duero, September typically has an average temperature of 18°C (64°F), with highs reaching up to 33°C (92°F) and lows dropping to around 1°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec384346515967737364554541
Data source: Temperature data for Viana de Duero 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 Viana de Duero

In Viana de Duero in September, the precipitation amount is 38 mm (1.5 in) over the course of 7 days.

September Precipitation Trends in Viana de Duero

The chart displays monthly precipitation patterns in Viana de Duero, 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 Viana de Duero, September typically receives around 38 mm (1.5 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec343449885855222038385738
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Viana de Duero

In Viana de Duero 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 Viana de Duero

This chart illustrates the average monthly humidity levels in Viana de Duero, 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 Viana de Duero 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 Viana de Duero

In Viana de Duero 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 Viana de Duero.

Maximum UV Index Levels in Viana de Duero for September

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

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

This table compares monthly weather conditions in Viana de Duero, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)34 mm (1.3 inches)90%moderate
February Weather6°C (43°F)34 mm (1.3 inches)86%moderate
March Weather8°C (46°F)49 mm (1.9 inches)79%high
April Weather10°C (51°F)88 mm (3.5 inches)74%very high
May Weather15°C (59°F)58 mm (2.3 inches)71%very high
June Weather19°C (67°F)55 mm (2.2 inches)63%extreme
July Weather23°C (74°F)22 mm (0.9 inches)59%extreme
August Weather23°C (73°F)20 mm (0.8 inches)58%very high
September Weather18°C (64°F)38 mm (1.5 inches)65%very high
October Weather13°C (55°F)38 mm (1.5 inches)77%high
November Weather7°C (45°F)57 mm (2.2 inches)87%moderate
December Weather5°C (42°F)38 mm (1.5 inches)90%low

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