September Weather in Atico, Peru

Last updated: August 27, 2025

In September, the average temperature in Atico, Peru hovers around 15°C (59°F), with a minimum of 10°C (51°F) and a maximum reaching 21°C (70°F). Expect 18 mm (0.7 in) of precipitation over approximately 4 days, and enjoy a comfortable average humidity of 76%.

September Temperature in Atico

In September in Atico, the average temperature is 15°C (59°F), with maximums reaching 21°C (70°F) and minimums dropping as low as 10°C (51°F). This mild climate makes Atico an ideal destination for travelers seeking comfortable weather during this time of year.

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

The chart illustrates September temperature patterns in Atico, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Atico, September typically has an average temperature of 15°C (59°F), with highs reaching up to 21°C (70°F) and lows dropping to around 10°C (51°F).

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

September Precipitation in Atico

In Atico in September, the total precipitation amount is 18 mm (0.7 in) spread over a duration of 4 days.

September Precipitation Trends in Atico

The chart displays monthly precipitation patterns in Atico, 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 Atico, September typically receives around 18 mm (0.7 inches) of precipitation spread over approximately 4 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 Atico

In Atico in September humidity is 76%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities less enjoyable and often leading to a quick sense of fatigue while traveling.

September Average Humidity in Atico

This chart illustrates the average monthly humidity levels in Atico, 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 Atico is approximately 76%, 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 Atico

In Atico in September, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Atico.

Maximum UV Index Levels in Atico for September

The chart shows the monthly maximum UV Index (UVI) for Atico 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 Atico typically reaches 12, which falls under the extreme exposure category.

Data source: Atico 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 Atico Compares to Other Months

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

This table compares monthly weather conditions in Atico, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	19°C (67°F)	38 mm (1.5 inches)	86%	extreme
February Weather	20°C (68°F)	33 mm (1.3 inches)	88%	extreme
March Weather	20°C (67°F)	14 mm (0.5 inches)	89%	extreme
April Weather	18°C (65°F)	10 mm (0.4 inches)	89%	extreme
May Weather	17°C (63°F)	15 mm (0.6 inches)	88%	very high
June Weather	16°C (60°F)	19 mm (0.7 inches)	84%	very high
July Weather	15°C (59°F)	21 mm (0.8 inches)	78%	very high
August Weather	15°C (58°F)	15 mm (0.6 inches)	76%	very high
September Weather	15°C (59°F)	18 mm (0.7 inches)	76%	extreme
October Weather	16°C (60°F)	16 mm (0.6 inches)	82%	extreme
November Weather	17°C (62°F)	15 mm (0.6 inches)	83%	extreme
December Weather	18°C (65°F)	23 mm (0.9 inches)	83%	extreme