September Weather in Puerto Callao, Peru

Last updated: August 27, 2025

In September, the average temperature in Puerto Callao, Peru reaches a warm 27°C (81°F), with temperatures ranging from a comfortable 21°C (71°F) to a sizzling 36°C (97°F). Expect precipitation of 136 mm (5.4 in) spread over 13 days, while the average humidity hovers around a refreshing 40%. Perfect for enjoying the warmth!

September Temperature in Puerto Callao

In September in Puerto Callao, the average temperature is 27°C (81°F). The maximum can reach 36°C (97°F), and the minimum can be as low as 21°C (71°F). This warm weather makes Puerto Callao an ideal destination for travelers seeking sunshine and pleasant outdoor activities.

September Weather in Puerto Callao: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Puerto Callao, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Puerto Callao, September typically has an average temperature of 27°C (81°F), with highs reaching up to 36°C (97°F) and lows dropping to around 21°C (71°F).

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

September Precipitation in Puerto Callao

In Puerto Callao in September, the precipitation amount reaches 136 mm (5.4 in) over a span of 13 days.

September Precipitation Trends in Puerto Callao

The chart displays monthly precipitation patterns in Puerto Callao, 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 Puerto Callao, September typically receives around 136 mm (5.4 inches) of precipitation spread over approximately 13 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Puerto Callao

In Puerto Callao in September humidity is 40%. With an average temperature of 27°C (81°F), this humidity feels like a pleasant breeze, making it comfortable for exploring the outdoors and enjoying various activities without feeling overly sticky or drenched in sweat.

September Average Humidity in Puerto Callao

This chart illustrates the average monthly humidity levels in Puerto Callao, 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 Puerto Callao is approximately 40%, 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 Puerto Callao

In Puerto Callao 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 Puerto Callao, you can check here.

Maximum UV Index Levels in Puerto Callao for September

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

Data source: Puerto Callao 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 Puerto Callao Compares to Other Months

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

This table compares monthly weather conditions in Puerto Callao, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (80°F)	267 mm (10.5 inches)	85%	extreme
February Weather	27°C (80°F)	315 mm (12.4 inches)	82%	extreme
March Weather	26°C (80°F)	391 mm (15.4 inches)	86%	extreme
April Weather	26°C (80°F)	276 mm (10.9 inches)	88%	extreme
May Weather	26°C (79°F)	172 mm (6.8 inches)	82%	extreme
June Weather	26°C (79°F)	103 mm (4.1 inches)	67%	extreme
July Weather	26°C (79°F)	97 mm (3.8 inches)	48%	extreme
August Weather	26°C (80°F)	88 mm (3.5 inches)	39%	extreme
September Weather	27°C (81°F)	136 mm (5.4 inches)	40%	extreme
October Weather	27°C (81°F)	192 mm (7.6 inches)	51%	extreme
November Weather	27°C (81°F)	282 mm (11.1 inches)	74%	extreme
December Weather	27°C (81°F)	278 mm (10.9 inches)	89%	extreme