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September Weather in Gasteiz / Vitoria, Spain

Last updated: August 27, 2025

In September, the average temperature in Gasteiz / Vitoria, Spain hovers around 17°C (63°F). Throughout the month, temperatures can fluctuate, with minimums dropping to 4°C (40°F) and maximums soaring to 33°C (91°F). Expect 48 mm (1.9 in) of precipitation spread over 10 days, along with an average humidity of 77%.

September Temperature in Gasteiz / Vitoria

In September in Gasteiz / Vitoria, the average temperature is 17°C (63°F). Maximums can reach 33°C (91°F), while minimums can dip as low as 4°C (40°F). This variation makes it advisable for travelers to pack layers to accommodate both warm days and cooler evenings.

September Weather in Gasteiz / Vitoria: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Gasteiz / Vitoria, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gasteiz / Vitoria, September typically has an average temperature of 17°C (63°F), with highs reaching up to 33°C (91°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec404547505663666663554743
Data source: Temperature data for Gasteiz / Vitoria 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 Gasteiz / Vitoria

In Gasteiz / Vitoria in September, the precipitation amount is 48 mm (1.9 in) spread over a period of 10 days.

September Precipitation Trends in Gasteiz / Vitoria

The chart displays monthly precipitation patterns in Gasteiz / Vitoria, 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 Gasteiz / Vitoria, September typically receives around 48 mm (1.9 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec8473809166844435488110797
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Gasteiz / Vitoria

In Gasteiz / Vitoria in September, humidity is 77%. With an average temperature of 17°C (63°F), this humidity feels like a cozy blanket wrapped around you, creating a muggy atmosphere that can be a bit uncomfortable for traveling, making you want to seek shade and hydration as you explore.

September Average Humidity in Gasteiz / Vitoria

This chart illustrates the average monthly humidity levels in Gasteiz / Vitoria, 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 Gasteiz / Vitoria is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%83%82%81%81%83%87%82%77%80%83%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Gasteiz / Vitoria

In Gasteiz / Vitoria in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Gasteiz / Vitoria.

Maximum UV Index Levels in Gasteiz / Vitoria for September

The chart shows the monthly maximum UV Index (UVI) for Gasteiz / Vitoria 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 Gasteiz / Vitoria typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24689111097532
Data source: Gasteiz / Vitoria 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 Gasteiz / Vitoria Compares to Other Months

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

This table compares monthly weather conditions in Gasteiz / Vitoria, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)84 mm (3.3 inches)85%low
February Weather7°C (45°F)73 mm (2.9 inches)83%moderate
March Weather8°C (47°F)80 mm (3.1 inches)82%high
April Weather10°C (51°F)91 mm (3.6 inches)81%very high
May Weather14°C (57°F)66 mm (2.6 inches)81%very high
June Weather17°C (63°F)84 mm (3.3 inches)83%extreme
July Weather19°C (67°F)44 mm (1.7 inches)87%very high
August Weather19°C (67°F)34 mm (1.4 inches)82%very high
September Weather17°C (63°F)48 mm (1.9 inches)77%high
October Weather13°C (56°F)81 mm (3.2 inches)80%moderate
November Weather8°C (47°F)107 mm (4.2 inches)83%moderate
December Weather6°C (44°F)97 mm (3.8 inches)85%low

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