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September Weather in Chacas, Peru

Last updated: August 27, 2025

In Chacas, Peru, the average temperature in September hovers around 7°C (44°F). Expect a chill as temperatures can dip as low as -2°C (29°F), while the warmest days reach up to 15°C (60°F). During this month, precipitation is quite notable, with 143 mm (5.6 in) falling over 21 days, contributing to an average humidity level of 62%. Get ready for a mix of cool air and frequent showers!

September Temperature in Chacas

In September in Chacas, the average temperature is 7°C (44°F), with maximums reaching 15°C (60°F) and minimums dropping as low as -2°C (29°F). It's advisable to pack layers to stay comfortable during your travels.

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

The chart illustrates September temperature patterns in Chacas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chacas, September typically has an average temperature of 7°C (44°F), with highs reaching up to 15°C (60°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec444544444444434344444545
Data source: Temperature data for Chacas 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 Chacas

In Chacas in September, the precipitation amount is 143 mm (5.6 in) spread over 21 days.

September Precipitation Trends in Chacas

The chart displays monthly precipitation patterns in Chacas, 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 Chacas, September typically receives around 143 mm (5.6 inches) of precipitation spread over approximately 21 days.
JanFebMarAprMayJunJulAugSepOctNovDec229243281191132664471143238265293
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Chacas

In Chacas in September, humidity is 62%. With an average temperature of 7°C (44°F), this humidity feels like a cool, crisp embrace that might leave travelers feeling slightly chilled, especially when they venture outdoors.

September Average Humidity in Chacas

This chart illustrates the average monthly humidity levels in Chacas, 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 Chacas is approximately 62%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%90%89%84%73%55%53%62%82%89%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Chacas

In Chacas 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 Chacas, you can check Hourly UV Index in Chacas.

Maximum UV Index Levels in Chacas for September

The chart shows the monthly maximum UV Index (UVI) for Chacas 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 Chacas typically reaches 17, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec191919181513141517181817
Data source: Chacas 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 Chacas Compares to Other Months

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

This table compares monthly weather conditions in Chacas, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)229 mm (9.0 inches)91%extreme
February Weather7°C (45°F)243 mm (9.6 inches)89%extreme
March Weather7°C (44°F)281 mm (11.1 inches)89%extreme
April Weather7°C (45°F)191 mm (7.5 inches)88%extreme
May Weather7°C (45°F)132 mm (5.2 inches)84%extreme
June Weather6°C (44°F)66 mm (2.6 inches)73%extreme
July Weather6°C (43°F)44 mm (1.7 inches)55%extreme
August Weather6°C (44°F)71 mm (2.8 inches)53%extreme
September Weather7°C (44°F)143 mm (5.6 inches)62%extreme
October Weather7°C (44°F)238 mm (9.4 inches)82%extreme
November Weather7°C (45°F)265 mm (10.4 inches)89%extreme
December Weather7°C (45°F)293 mm (11.5 inches)91%extreme

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