September Weather in Acas, Peru

Last updated: August 27, 2025

In September, the average temperature in Acas, Peru is a mild 12°C (54°F), with a minimum dipping to 3°C (38°F) and reaching a comfortable maximum of 19°C (66°F). Expect about 69 mm (2.7 in) of precipitation spread over 17 days, bringing an average humidity level of 40%. Perfect for those who enjoy a refreshing change in the air!

September Temperature in Acas

In September, in Acas, the average temperature is 12°C (54°F), with a maximum reaching 19°C (66°F) and a minimum dropping to as low as 3°C (38°F). This mild climate makes it a perfect time to explore and enjoy outdoor activities.

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

The chart illustrates September temperature patterns in Acas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Acas, September typically has an average temperature of 12°C (54°F), with highs reaching up to 19°C (66°F) and lows dropping to around 3°C (38°F).

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

September Precipitation in Acas

In Acas in September, the precipitation amount is 69 mm (2.7 in) spread over 17 days.

September Precipitation Trends in Acas

The chart displays monthly precipitation patterns in Acas, 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 Acas, September typically receives around 69 mm (2.7 inches) of precipitation spread over approximately 17 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 Acas

In Acas in September humidity is 40%. With an average temperature of 12°C (54°F), this humidity feels like a refreshing coolness, making it comfortable for traveling as you can enjoy outdoor activities without feeling overheated.

September Average Humidity in Acas

This chart illustrates the average monthly humidity levels in Acas, 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 Acas 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 Acas

In Acas in September, the maximum UV index reaches an alarming 17, which falls under the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to stay protected. For more details on the hourly UV index in Acas, you can check Hourly UV Index in Acas.

Maximum UV Index Levels in Acas for September

The chart shows the monthly maximum UV Index (UVI) for Acas 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 Acas typically reaches 17, which falls under the extreme exposure category.

Data source: Acas 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 Acas Compares to Other Months

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

This table compares monthly weather conditions in Acas, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	11°C (52°F)	239 mm (9.4 inches)	91%	extreme
February Weather	11°C (52°F)	259 mm (10.2 inches)	90%	extreme
March Weather	11°C (52°F)	347 mm (13.7 inches)	91%	extreme
April Weather	11°C (52°F)	187 mm (7.3 inches)	89%	extreme
May Weather	11°C (53°F)	109 mm (4.3 inches)	85%	extreme
June Weather	11°C (53°F)	29 mm (1.1 inches)	65%	extreme
July Weather	12°C (53°F)	20 mm (0.8 inches)	47%	extreme
August Weather	12°C (54°F)	22 mm (0.9 inches)	38%	extreme
September Weather	12°C (54°F)	69 mm (2.7 inches)	40%	extreme
October Weather	12°C (53°F)	109 mm (4.3 inches)	56%	extreme
November Weather	12°C (53°F)	109 mm (4.3 inches)	76%	extreme
December Weather	11°C (53°F)	185 mm (7.3 inches)	90%	extreme