September Weather in Mollendo, Peru

Last updated: August 27, 2025

In September, the average temperature in Mollendo, Peru is a pleasant 15°C (59°F). Expect a cozy minimum of 11°C (51°F), while the maximum can reach up to 22°C (72°F). During this month, anticipate 18 mm (0.7 in) of precipitation spread across 6 days, and enjoy a comfortable average humidity of 58%.

September Temperature in Mollendo

In September, in Mollendo, the average temperature is 15°C (59°F), with maximums reaching 22°C (72°F) and minimums dropping as low as 11°C (51°F). This mild climate makes Mollendo an ideal destination for travelers seeking comfortable weather and outdoor activities during this time.

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

The chart illustrates September temperature patterns in Mollendo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mollendo, September typically has an average temperature of 15°C (59°F), with highs reaching up to 22°C (72°F) and lows dropping to around 11°C (51°F).

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

September Precipitation in Mollendo

In Mollendo in September, the precipitation amount is 18 mm (0.7 in) over the course of 6 days.

September Precipitation Trends in Mollendo

The chart displays monthly precipitation patterns in Mollendo, 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 Mollendo, September typically receives around 18 mm (0.7 inches) of precipitation spread over approximately 6 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 Mollendo

In Mollendo in September humidity is 58%. With an average temperature of 15°C (59°F), this humidity feels like a refreshing embrace, making it ideal for exploring outdoor attractions with just the right amount of comfort.

September Average Humidity in Mollendo

This chart illustrates the average monthly humidity levels in Mollendo, 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 Mollendo is approximately 58%, 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 Mollendo

In Mollendo in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Mollendo.

Maximum UV Index Levels in Mollendo for September

The chart shows the monthly maximum UV Index (UVI) for Mollendo 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 Mollendo typically reaches 13, which falls under the extreme exposure category.

Data source: Mollendo 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 Mollendo Compares to Other Months

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

This table compares monthly weather conditions in Mollendo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	21°C (70°F)	28 mm (1.1 inches)	89%	extreme
February Weather	22°C (71°F)	19 mm (0.7 inches)	90%	extreme
March Weather	21°C (70°F)	11 mm (0.4 inches)	90%	extreme
April Weather	19°C (67°F)	8 mm (0.3 inches)	91%	extreme
May Weather	17°C (64°F)	12 mm (0.5 inches)	88%	extreme
June Weather	16°C (61°F)	23 mm (0.9 inches)	76%	very high
July Weather	15°C (59°F)	29 mm (1.1 inches)	61%	very high
August Weather	15°C (58°F)	18 mm (0.7 inches)	57%	extreme
September Weather	15°C (59°F)	18 mm (0.7 inches)	58%	extreme
October Weather	16°C (61°F)	10 mm (0.4 inches)	75%	extreme
November Weather	17°C (64°F)	9 mm (0.4 inches)	83%	extreme
December Weather	19°C (67°F)	15 mm (0.6 inches)	84%	extreme