September Weather in Chao, Peru

Last updated: August 27, 2025

In September, the average temperature in Chao, Peru hovers around 18°C (64°F). Expect a cozy atmosphere with minimum temperatures dipping to 13°C (56°F) and maximums rising to 23°C (74°F). The region typically sees 14 mm (0.5 in) of precipitation over 1 day, while the average humidity remains comfortable at 62%. Embrace the pleasant climate and enjoy your time in this beautiful location!

September Temperature in Chao

In September in Chao, the average temperature is 18°C (64°F). The maximum can reach 23°C (74°F) and the minimum can be as low as 13°C (56°F). This pleasant climate makes it an ideal time for outdoor activities and sightseeing.

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

The chart illustrates September temperature patterns in Chao, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chao, September typically has an average temperature of 18°C (64°F), with highs reaching up to 23°C (74°F) and lows dropping to around 13°C (56°F).

Data source: Temperature data for Chao generated using information from the Copernicus Climate Change Service.

September Precipitation in Chao

In Chao in September, the precipitation amount is 14 mm (0.5 in) over the course of 1 day.

September Precipitation Trends in Chao

The chart displays monthly precipitation patterns in Chao, 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 Chao, September typically receives around 14 mm (0.5 inches) of precipitation spread over approximately 1 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Chao

In Chao in September humidity is 62%. With an average temperature of 18°C (64°F), this humidity feels like a warm yet refreshing embrace, making it quite pleasant for traveling as long as you stay hydrated and take breaks in the shade.

September Average Humidity in Chao

This chart illustrates the average monthly humidity levels in Chao, 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 Chao is approximately 62%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Chao

In Chao in September, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Chao, you can check here.

Maximum UV Index Levels in Chao for September

The chart shows the monthly maximum UV Index (UVI) for Chao 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 Chao typically reaches 14, which falls under the extreme exposure category.

Data source: Chao 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 Chao Compares to Other Months

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

This table compares monthly weather conditions in Chao, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	22°C (73°F)	31 mm (1.2 inches)	91%	extreme
February Weather	24°C (75°F)	26 mm (1.0 inches)	89%	extreme
March Weather	24°C (75°F)	52 mm (2.1 inches)	89%	extreme
April Weather	22°C (72°F)	21 mm (0.8 inches)	88%	extreme
May Weather	20°C (69°F)	12 mm (0.5 inches)	84%	extreme
June Weather	19°C (67°F)	10 mm (0.4 inches)	73%	extreme
July Weather	18°C (65°F)	11 mm (0.4 inches)	55%	extreme
August Weather	18°C (64°F)	12 mm (0.5 inches)	53%	extreme
September Weather	18°C (64°F)	14 mm (0.5 inches)	62%	extreme
October Weather	18°C (65°F)	16 mm (0.6 inches)	82%	extreme
November Weather	19°C (67°F)	14 mm (0.5 inches)	89%	extreme
December Weather	21°C (70°F)	30 mm (1.2 inches)	91%	extreme