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September Weather in Castrovirreyna, Peru

Last updated: August 27, 2025

In September, the average temperature in Castrovirreyna, Peru hovers around 5°C (42°F). Expect a chilly range, with minimums dropping to -6°C (22°F) and maximums reaching up to 14°C (58°F). During this month, 109 mm (4.3 in) of precipitation is likely to fall over 24 days, contributing to an average humidity of 53%. Stay prepared for a mix of crisp weather and occasional rain!

September Temperature in Castrovirreyna

In September in Castrovirreyna, the average temperature is 5°C (42°F). Maximum temperatures can reach 14°C (58°F), while the minimum can drop as low as -6°C (22°F). It's advisable to pack layers and be prepared for chilly weather during your travels.

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

The chart illustrates September temperature patterns in Castrovirreyna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castrovirreyna, September typically has an average temperature of 5°C (42°F), with highs reaching up to 14°C (58°F) and lows dropping to around -6°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec424242424040404041414242
Data source: Temperature data for Castrovirreyna 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 Castrovirreyna

In Castrovirreyna in September, the precipitation amount is 109 mm (4.3 in) over the course of 24 days.

September Precipitation Trends in Castrovirreyna

The chart displays monthly precipitation patterns in Castrovirreyna, 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 Castrovirreyna, September typically receives around 109 mm (4.3 inches) of precipitation spread over approximately 24 days.
JanFebMarAprMayJunJulAugSepOctNovDec23025028314280342640109157160208
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Castrovirreyna

In Castrovirreyna in September humidity is 53%. With an average temperature of 5°C (42°F), this humidity feels like a chilly, damp embrace that can make outdoor activities less comfortable, so travelers should layer up and prepare for a brisk experience while exploring the area.

September Average Humidity in Castrovirreyna

This chart illustrates the average monthly humidity levels in Castrovirreyna, 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 Castrovirreyna is approximately 53%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%89%90%89%83%69%56%51%53%68%82%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Castrovirreyna

In Castrovirreyna in September, the maximum UV index reaches an alarming 17, which falls under the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to stay protected. For more details on the hourly UV index in Castrovirreyna, you can check Hourly UV Index in Castrovirreyna.

Maximum UV Index Levels in Castrovirreyna for September

The chart shows the monthly maximum UV Index (UVI) for Castrovirreyna 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 Castrovirreyna typically reaches 17, which falls under the extreme exposure category.
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Data source: Castrovirreyna 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 Castrovirreyna Compares to Other Months

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

This table compares monthly weather conditions in Castrovirreyna, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (42°F)230 mm (9.1 inches)89%extreme
February Weather6°C (42°F)250 mm (9.8 inches)89%extreme
March Weather6°C (42°F)283 mm (11.1 inches)90%extreme
April Weather5°C (42°F)142 mm (5.6 inches)89%extreme
May Weather5°C (41°F)80 mm (3.1 inches)83%extreme
June Weather4°C (40°F)34 mm (1.4 inches)69%extreme
July Weather4°C (40°F)26 mm (1.0 inches)56%extreme
August Weather5°C (40°F)40 mm (1.6 inches)50%extreme
September Weather5°C (42°F)109 mm (4.3 inches)53%extreme
October Weather5°C (42°F)157 mm (6.2 inches)68%extreme
November Weather6°C (43°F)160 mm (6.3 inches)81%extreme
December Weather6°C (43°F)208 mm (8.2 inches)87%extreme

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