September Weather in Barranca, Peru

Last updated: August 27, 2025

In Barranca, Peru, the average temperature in September hovers around 26°C (80°F), with a minimum of 20°C (69°F) and a maximum reaching 35°C (95°F). This month sees an average precipitation of 215 mm (8.5 in) spread over 20 days, coupled with a comfortable average humidity of 49%. Be prepared for a warm and occasionally wet experience!

September Temperature in Barranca

In September in Barranca, the average temperature is 26°C (80°F), with maximums that can reach 35°C (95°F) and minimums that can dip as low as 20°C (69°F). This pleasant climate makes it an ideal time for outdoor activities and exploration.

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

The chart illustrates September temperature patterns in Barranca, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Barranca, September typically has an average temperature of 26°C (80°F), with highs reaching up to 35°C (95°F) and lows dropping to around 20°C (69°F).

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

September Precipitation in Barranca

In Barranca in September, the precipitation amount is 215 mm (8.5 in) over the course of 20 days.

September Precipitation Trends in Barranca

The chart displays monthly precipitation patterns in Barranca, 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 Barranca, September typically receives around 215 mm (8.5 inches) of precipitation spread over approximately 20 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 Barranca

In Barranca in September, humidity is 49%. With an average temperature of 26°C (80°F), this humidity feels like a warm, slightly sticky embrace, making it ideal for leisurely strolls while enjoying the local sights, though travelers might want to stay hydrated and take breaks in the shade.

September Average Humidity in Barranca

This chart illustrates the average monthly humidity levels in Barranca, 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 Barranca is approximately 49%, 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 Barranca

In Barranca 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 Barranca, you can check here.

Maximum UV Index Levels in Barranca for September

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

Data source: Barranca 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 Barranca Compares to Other Months

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

This table compares monthly weather conditions in Barranca, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (80°F)	294 mm (11.6 inches)	75%	extreme
February Weather	27°C (80°F)	260 mm (10.2 inches)	76%	extreme
March Weather	26°C (79°F)	450 mm (17.7 inches)	79%	extreme
April Weather	26°C (79°F)	335 mm (13.2 inches)	86%	extreme
May Weather	26°C (79°F)	314 mm (12.4 inches)	88%	extreme
June Weather	26°C (78°F)	257 mm (10.1 inches)	75%	extreme
July Weather	25°C (78°F)	188 mm (7.4 inches)	60%	extreme
August Weather	26°C (79°F)	171 mm (6.7 inches)	50%	extreme
September Weather	26°C (80°F)	215 mm (8.5 inches)	49%	extreme
October Weather	26°C (80°F)	256 mm (10.1 inches)	60%	extreme
November Weather	27°C (80°F)	332 mm (13.1 inches)	74%	extreme
December Weather	26°C (80°F)	370 mm (14.6 inches)	85%	extreme