September Weather in Calderones, Peru

Last updated: August 27, 2025

In September, the average temperature in Calderones, Peru is a pleasant 18°C (65°F). Expect a cozy minimum of 12°C (54°F) and a warm maximum reaching 27°C (80°F). With 0 mm (0.0 in) of precipitation over 0 days, you can look forward to clear skies and sunshine. The average humidity sits comfortably at 74%, making it a delightful time to enjoy the outdoors!

September Temperature in Calderones

In September in Calderones, the average temperature is 18°C (65°F). Maximums can reach 27°C (80°F), while minimums can drop to as low as 12°C (54°F). This makes it an ideal time for travelers to enjoy a pleasant range of outdoor activities.

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

The chart illustrates September temperature patterns in Calderones, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Calderones, September typically has an average temperature of 18°C (65°F), with highs reaching up to 27°C (80°F) and lows dropping to around 12°C (54°F).

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

September Precipitation in Calderones

In Calderones in September, the precipitation amount is 0 mm (0.0 in) during 0 days.

September Precipitation Trends in Calderones

The chart displays monthly precipitation patterns in Calderones, 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 Calderones, September typically receives around 0 mm (0.0 inches) of precipitation spread over approximately 0 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 Calderones

In Calderones in September humidity is 74%. With an average temperature of 18°C (65°F), this humidity feels like a warm, sticky embrace that can make even short walks feel laborious, leading travelers to seek shade and refreshment more often.

September Average Humidity in Calderones

This chart illustrates the average monthly humidity levels in Calderones, 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 Calderones is approximately 74%, 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 Calderones

In Calderones 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 Calderones, you can check here.

Maximum UV Index Levels in Calderones for September

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

Data source: Calderones 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 Calderones Compares to Other Months

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

This table compares monthly weather conditions in Calderones, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	23°C (74°F)	30 mm (1.2 inches)	85%	extreme
February Weather	24°C (75°F)	25 mm (1.0 inches)	85%	extreme
March Weather	24°C (75°F)	12 mm (0.5 inches)	86%	extreme
April Weather	22°C (72°F)	3 mm (0.1 inches)	88%	extreme
May Weather	20°C (68°F)	1 mm (0.0 inches)	85%	extreme
June Weather	18°C (66°F)	1 mm (0.0 inches)	78%	very high
July Weather	18°C (64°F)	1 mm (0.0 inches)	75%	very high
August Weather	18°C (64°F)	0 mm (0.0 inches)	73%	extreme
September Weather	18°C (65°F)	0 mm (0.0 inches)	74%	extreme
October Weather	19°C (67°F)	1 mm (0.0 inches)	78%	extreme
November Weather	20°C (69°F)	1 mm (0.0 inches)	82%	extreme
December Weather	22°C (71°F)	4 mm (0.2 inches)	83%	extreme