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September Weather in Ullulluco, Peru

Last updated: August 27, 2025

In September, the average temperature in Ullulluco, Peru hovers around 11°C (52°F). Expect cool minimums of 3°C (37°F) and pleasant highs reaching 21°C (70°F). During this month, precipitation totals 63 mm (2.5 in) spread over approximately 17 days, contributing to an average humidity level of 62%.

September Temperature in Ullulluco

In September in Ullulluco, the average temperature is 11°C (52°F). The maximum can reach 21°C (70°F), and the minimum can be as low as 3°C (37°F). Be sure to pack layers to stay comfortable during your travels, as temperatures can vary significantly throughout the day.

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

The chart illustrates September temperature patterns in Ullulluco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ullulluco, September typically has an average temperature of 11°C (52°F), with highs reaching up to 21°C (70°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec525352525251505151525353
Data source: Temperature data for Ullulluco generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Ullulluco

In Ullulluco in September, the precipitation amount reaches 63 mm (2.5 in) over the course of 17 days.

September Precipitation Trends in Ullulluco

The chart displays monthly precipitation patterns in Ullulluco, 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 Ullulluco, September typically receives around 63 mm (2.5 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec1571502101276635282863137151172
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ullulluco

In Ullulluco in September, humidity is 62%. With an average temperature of 11°C (52°F), this humidity feels like a cool, damp embrace that might make walking around a bit uncomfortable, but the crisp air can still be refreshing for exploring the sights if you dress warmly.

September Average Humidity in Ullulluco

This chart illustrates the average monthly humidity levels in Ullulluco, 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 Ullulluco is approximately 62%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%90%89%84%73%55%53%62%82%89%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ullulluco

In Ullulluco 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 Ullulluco, you can check Hourly UV Index in Ullulluco.

Maximum UV Index Levels in Ullulluco for September

The chart shows the monthly maximum UV Index (UVI) for Ullulluco 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 Ullulluco typically reaches 17, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec181919181513141417181717
Data source: Ullulluco 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 Ullulluco Compares to Other Months

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

This table compares monthly weather conditions in Ullulluco, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)157 mm (6.2 inches)91%extreme
February Weather11°C (53°F)150 mm (5.9 inches)89%extreme
March Weather11°C (52°F)210 mm (8.3 inches)89%extreme
April Weather11°C (52°F)127 mm (5.0 inches)88%extreme
May Weather11°C (52°F)66 mm (2.6 inches)84%extreme
June Weather11°C (52°F)35 mm (1.4 inches)73%extreme
July Weather10°C (51°F)28 mm (1.1 inches)55%extreme
August Weather11°C (51°F)28 mm (1.1 inches)53%extreme
September Weather11°C (52°F)63 mm (2.5 inches)62%extreme
October Weather11°C (52°F)137 mm (5.4 inches)82%extreme
November Weather12°C (53°F)151 mm (5.9 inches)89%extreme
December Weather12°C (53°F)172 mm (6.8 inches)91%extreme

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