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September Weather in Chachas, Peru

Last updated: August 27, 2025

In September, the average temperature in Chachas, Peru hovers around 8°C (47°F). You can expect a minimum chill of -4°C (25°F) and a pleasant maximum of 20°C (69°F). The weather is relatively damp, with 28 mm (1.1 in) of precipitation spread over 6 days. Additionally, the average humidity sits at a comfortable 67%, creating an inviting atmosphere for visitors.

September Temperature in Chachas

In September in Chachas, the average temperature is 8°C (47°F), with maximums reaching 20°C (69°F) and minimums dropping as low as -4°C (25°F). Be sure to pack layers to stay comfortable during your travels.

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

The chart illustrates September temperature patterns in Chachas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chachas, September typically has an average temperature of 8°C (47°F), with highs reaching up to 20°C (69°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec464545444342434547474848
Data source: Temperature data for Chachas 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 Chachas

In Chachas in September, the precipitation amount is 28 mm (1.1 in) over the course of 6 days.

September Precipitation Trends in Chachas

The chart displays monthly precipitation patterns in Chachas, 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 Chachas, September typically receives around 28 mm (1.1 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec2081992161085123118296355103
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Chachas

In Chachas in September humidity is 67%. With an average temperature of 8°C (47°F), this humidity feels like a chilly embrace, making traveling slightly uncomfortable as the damp air clings to your skin, often leaving you feeling colder than the actual temperature suggests.

September Average Humidity in Chachas

This chart illustrates the average monthly humidity levels in Chachas, 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 Chachas is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%93%92%91%87%76%57%51%67%77%85%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Chachas

In Chachas in September, the maximum UV index is 16, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, making it crucial to take protective measures. For detailed information, you can refer to the Hourly UV Index in Chachas.

Maximum UV Index Levels in Chachas for September

The chart shows the monthly maximum UV Index (UVI) for Chachas 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 Chachas typically reaches 16, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec191918171311121416181918
Data source: Chachas 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 Chachas Compares to Other Months

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

This table compares monthly weather conditions in Chachas, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)208 mm (8.2 inches)92%extreme
February Weather7°C (45°F)199 mm (7.8 inches)93%extreme
March Weather7°C (45°F)216 mm (8.5 inches)92%extreme
April Weather7°C (44°F)108 mm (4.3 inches)91%extreme
May Weather6°C (43°F)51 mm (2.0 inches)87%extreme
June Weather6°C (43°F)23 mm (0.9 inches)76%extreme
July Weather6°C (43°F)11 mm (0.4 inches)57%extreme
August Weather7°C (45°F)8 mm (0.3 inches)51%extreme
September Weather8°C (47°F)28 mm (1.1 inches)67%extreme
October Weather8°C (47°F)63 mm (2.5 inches)77%extreme
November Weather9°C (49°F)55 mm (2.2 inches)85%extreme
December Weather9°C (48°F)103 mm (4.0 inches)90%extreme

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