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September Weather in Castiello de Jaca, Spain

Last updated: August 27, 2025

In September, the average temperature in Castiello de Jaca, Spain hovers around 13°C (56°F). Temperature extremes can range from a chilly 0°C (32°F) to a warm 26°C (79°F). Expect 114 mm (4.5 in) of precipitation over approximately 14 days, with an average humidity level of 75%.

September Temperature in Castiello de Jaca

In September in Castiello de Jaca, the average temperature is 13°C (56°F). Maximum temperatures can reach 26°C (79°F), while minimum temperatures can drop as low as 0°C (32°F). It's advisable to pack layers to stay comfortable during your travels.

September Weather in Castiello de Jaca: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Castiello de Jaca, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castiello de Jaca, September typically has an average temperature of 13°C (56°F), with highs reaching up to 26°C (79°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec323637425058636355473834
Data source: Temperature data for Castiello de Jaca 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 Castiello de Jaca

In Castiello de Jaca in September, the total precipitation amount is 114 mm (4.5 in) over the course of 14 days.

September Precipitation Trends in Castiello de Jaca

The chart displays monthly precipitation patterns in Castiello de Jaca, 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 Castiello de Jaca, September typically receives around 114 mm (4.5 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec129113144139148171110109114120140208
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Castiello de Jaca

In Castiello de Jaca in September humidity is 75%. With an average temperature of 13°C (56°F), this humidity feels like a damp chill enveloping you, making travel a bit uncomfortable, as the moisture in the air clings to your skin and can dampen your spirits as well as your clothes.

September Average Humidity in Castiello de Jaca

This chart illustrates the average monthly humidity levels in Castiello de Jaca, 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 Castiello de Jaca is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%83%81%80%81%80%76%75%81%85%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Castiello de Jaca

In Castiello de Jaca 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 Castiello de Jaca.

Maximum UV Index Levels in Castiello de Jaca for September

The chart shows the monthly maximum UV Index (UVI) for Castiello de Jaca 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 Castiello de Jaca typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689111198632
Data source: Castiello de Jaca 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 Castiello de Jaca Compares to Other Months

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

This table compares monthly weather conditions in Castiello de Jaca, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)129 mm (5.1 inches)86%moderate
February Weather2°C (36°F)113 mm (4.4 inches)85%moderate
March Weather3°C (38°F)144 mm (5.7 inches)82%high
April Weather6°C (42°F)139 mm (5.5 inches)81%very high
May Weather10°C (50°F)148 mm (5.8 inches)80%very high
June Weather14°C (58°F)171 mm (6.7 inches)81%extreme
July Weather17°C (63°F)110 mm (4.3 inches)80%extreme
August Weather17°C (63°F)109 mm (4.3 inches)76%very high
September Weather13°C (56°F)114 mm (4.5 inches)75%very high
October Weather9°C (48°F)120 mm (4.7 inches)81%high
November Weather3°C (38°F)140 mm (5.5 inches)85%moderate
December Weather1°C (35°F)208 mm (8.2 inches)87%low

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