September Weather in Santa Rosa Alta, Peru

Last updated: August 27, 2025

In September, the average temperature in Santa Rosa Alta, Peru is a comfortable 15°C (60°F). Expect minimums around 14°C (57°F) and maximums reaching up to 17°C (63°F). With a precipitation amount of just 10 mm (0.4 in) over 0 days, the weather is typically dry. Additionally, the average humidity sits at a pleasant 53%, making it an ideal time to enjoy the outdoors!

September Temperature in Santa Rosa Alta

In September in Santa Rosa Alta, the average temperature is 15°C (60°F), with maximums reaching 17°C (63°F) and minimums dropping as low as 14°C (57°F). It's a mild time to visit, making it perfect for outdoor activities and exploring the local sights.

September Weather in Santa Rosa Alta: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Santa Rosa Alta, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Rosa Alta, September typically has an average temperature of 15°C (60°F), with highs reaching up to 17°C (63°F) and lows dropping to around 14°C (57°F).

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

September Precipitation in Santa Rosa Alta

In Santa Rosa Alta in September, the precipitation amount is 10 mm (0.4 in) during a total of 0 days.

September Precipitation Trends in Santa Rosa Alta

The chart displays monthly precipitation patterns in Santa Rosa Alta, 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 Santa Rosa Alta, September typically receives around 10 mm (0.4 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 Santa Rosa Alta

In Santa Rosa Alta in September humidity is 53%. With average temperature 15°C (60°F), this humidity feels like a refreshing embrace, making it ideal for exploring the sights without feeling too hot or sticky.

September Average Humidity in Santa Rosa Alta

This chart illustrates the average monthly humidity levels in Santa Rosa Alta, 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 Santa Rosa Alta 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 Santa Rosa Alta

In Santa Rosa Alta 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 Santa Rosa Alta, you can check here.

Maximum UV Index Levels in Santa Rosa Alta for September

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

Data source: Santa Rosa Alta 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 Santa Rosa Alta Compares to Other Months

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

This table compares monthly weather conditions in Santa Rosa Alta, 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)	24 mm (0.9 inches)	89%	extreme
February Weather	22°C (71°F)	23 mm (0.9 inches)	89%	extreme
March Weather	22°C (71°F)	19 mm (0.7 inches)	90%	extreme
April Weather	20°C (68°F)	10 mm (0.4 inches)	89%	extreme
May Weather	18°C (65°F)	12 mm (0.5 inches)	83%	extreme
June Weather	17°C (62°F)	17 mm (0.7 inches)	69%	very high
July Weather	16°C (61°F)	16 mm (0.6 inches)	56%	extreme
August Weather	15°C (60°F)	14 mm (0.5 inches)	50%	extreme
September Weather	15°C (60°F)	10 mm (0.4 inches)	53%	extreme
October Weather	16°C (61°F)	8 mm (0.3 inches)	68%	extreme
November Weather	17°C (63°F)	8 mm (0.3 inches)	81%	extreme
December Weather	19°C (66°F)	10 mm (0.4 inches)	87%	extreme