September Weather in Chalan, Peru

Last updated: August 27, 2025

In September, the average temperature in Chalan, Peru is a mild 13°C (56°F), with daily variations ranging from a minimum of 6°C (43°F) to a comfortable maximum of 22°C (72°F). Expect 77 mm (3.0 in) of precipitation spread over 17 days, while the average humidity hovers around 42%, offering a pleasant climate for exploration.

September Temperature in Chalan

In September in Chalan, the average temperature is 13°C (56°F). Maximums can reach 22°C (72°F), while minimums can drop as low as 6°C (43°F). It's a great time for travelers to enjoy mild weather, perfect for exploring the sights and activities.

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

The chart illustrates September temperature patterns in Chalan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chalan, September typically has an average temperature of 13°C (56°F), with highs reaching up to 22°C (72°F) and lows dropping to around 6°C (43°F).

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

September Precipitation in Chalan

In Chalan in September, the precipitation amount is 77 mm (3.0 in) over a span of 17 days.

September Precipitation Trends in Chalan

The chart displays monthly precipitation patterns in Chalan, 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 Chalan, September typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 17 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 Chalan

In Chalan in September humidity is 42%. With an average temperature of 13°C (56°F), this humidity feels like a refreshing breath of crisp air, making it comfortable for traveling and exploring the area without feeling overheated or sticky.

September Average Humidity in Chalan

This chart illustrates the average monthly humidity levels in Chalan, 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 Chalan is approximately 42%, 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 Chalan

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

Maximum UV Index Levels in Chalan for September

The chart shows the monthly maximum UV Index (UVI) for Chalan 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 Chalan typically reaches 17, which falls under the extreme exposure category.

Data source: Chalan 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 Chalan Compares to Other Months

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

This table compares monthly weather conditions in Chalan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	13°C (56°F)	180 mm (7.1 inches)	83%	extreme
February Weather	13°C (56°F)	191 mm (7.5 inches)	81%	extreme
March Weather	13°C (56°F)	269 mm (10.6 inches)	88%	extreme
April Weather	13°C (56°F)	177 mm (7.0 inches)	85%	extreme
May Weather	13°C (56°F)	96 mm (3.8 inches)	78%	extreme
June Weather	13°C (55°F)	47 mm (1.9 inches)	62%	extreme
July Weather	12°C (55°F)	35 mm (1.4 inches)	44%	extreme
August Weather	13°C (55°F)	42 mm (1.7 inches)	38%	extreme
September Weather	13°C (56°F)	77 mm (3.0 inches)	42%	extreme
October Weather	13°C (56°F)	183 mm (7.2 inches)	58%	extreme
November Weather	13°C (57°F)	216 mm (8.5 inches)	69%	extreme
December Weather	13°C (56°F)	195 mm (7.7 inches)	82%	extreme