September Weather in San Pedro, Peru

Last updated: August 27, 2025

In San Pedro, Peru, the average temperature in September is a pleasant 17°C (62°F). Daily temperatures can vary, with a minimum of 14°C (57°F) and a maximum of 21°C (70°F). Expect minimal precipitation, averaging only 1 mm (0.1 in) over 0 days, while the average humidity sits comfortably at 53%. Enjoy the mild weather!

September Temperature in San Pedro

In September, in San Pedro, the average temperature is 17°C (62°F), with maximums reaching 21°C (70°F) and minimums dropping to as low as 14°C (57°F). This mild weather makes it ideal for exploring outdoor attractions and enjoying leisurely walks around the city.

September Weather in San Pedro: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Pedro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Pedro, September typically has an average temperature of 17°C (62°F), with highs reaching up to 21°C (70°F) and lows dropping to around 14°C (57°F).

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

September Precipitation in San Pedro

In San Pedro in September, the precipitation amount is 1 mm (0.1 in) during 0 days, indicating a very dry period.

September Precipitation Trends in San Pedro

The chart displays monthly precipitation patterns in San Pedro, 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 San Pedro, September typically receives around 1 mm (0.1 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 San Pedro

In San Pedro in September, humidity is 53%. With an average temperature of 17°C (62°F), this humidity feels like a mild and comfortable embrace, making it a pleasant experience for traveling, allowing you to explore the sights without feeling overly sticky or overly dry.

September Average Humidity in San Pedro

This chart illustrates the average monthly humidity levels in San Pedro, 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 San Pedro is approximately 53%, 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 San Pedro

In San Pedro 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 San Pedro.

Maximum UV Index Levels in San Pedro for September

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

Data source: San Pedro 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 San Pedro Compares to Other Months

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

This table compares monthly weather conditions in San Pedro, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	22°C (72°F)	23 mm (0.9 inches)	89%	extreme
February Weather	23°C (74°F)	18 mm (0.7 inches)	89%	extreme
March Weather	23°C (74°F)	12 mm (0.5 inches)	90%	extreme
April Weather	21°C (71°F)	7 mm (0.3 inches)	89%	extreme
May Weather	19°C (67°F)	4 mm (0.1 inches)	83%	very high
June Weather	18°C (64°F)	5 mm (0.2 inches)	69%	very high
July Weather	17°C (63°F)	4 mm (0.1 inches)	56%	very high
August Weather	16°C (62°F)	2 mm (0.1 inches)	50%	extreme
September Weather	17°C (62°F)	1 mm (0.1 inches)	53%	extreme
October Weather	17°C (64°F)	2 mm (0.1 inches)	68%	extreme
November Weather	19°C (66°F)	3 mm (0.1 inches)	81%	extreme
December Weather	20°C (69°F)	4 mm (0.1 inches)	87%	extreme