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September Weather in Ollachea, Peru

Last updated: August 27, 2025

In Ollachea, Peru, the average temperature for September hovers around 6°C (43°F). Expect a chill in the air with nighttime lows dipping to -5°C (23°F), while daytime highs can reach up to 15°C (59°F). Precipitation is quite noticeable, with around 197 mm (7.8 in) spread over 29 days, contributing to an overall average humidity of 51%. Prepare for a mix of cool temperatures and occasional rainfall!

September Temperature in Ollachea

In September in Ollachea, the average temperature is 6°C (43°F). Maximums can reach 15°C (59°F), while minimums can drop as low as -5°C (23°F). Be sure to pack layers to stay comfortable during your travels!

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

The chart illustrates September temperature patterns in Ollachea, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ollachea, September typically has an average temperature of 6°C (43°F), with highs reaching up to 15°C (59°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec454545454341394142444645
Data source: Temperature data for Ollachea 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 Ollachea

In Ollachea in September, the total precipitation amount is 197 mm (7.8 in) accumulated over 29 days.

September Precipitation Trends in Ollachea

The chart displays monthly precipitation patterns in Ollachea, 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 Ollachea, September typically receives around 197 mm (7.8 inches) of precipitation spread over approximately 29 days.
JanFebMarAprMayJunJulAugSepOctNovDec40655543029119214391140197295399535
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ollachea

In Ollachea in September, humidity is 51%. With an average temperature of 6°C (43°F), this humidity feels like a crisp chill that invigorates the senses, making it a comfortable environment for exploring the sights, provided you bundle up to enjoy the fresh air without feeling too cold.

September Average Humidity in Ollachea

This chart illustrates the average monthly humidity levels in Ollachea, 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 Ollachea is approximately 51%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec94%92%92%90%88%77%55%44%51%64%84%93%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ollachea

In Ollachea in September, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Ollachea.

Maximum UV Index Levels in Ollachea for September

The chart shows the monthly maximum UV Index (UVI) for Ollachea 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 Ollachea typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec181817171311121315171818
Data source: Ollachea 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 Ollachea Compares to Other Months

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

This table compares monthly weather conditions in Ollachea, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (46°F)406 mm (16.0 inches)94%extreme
February Weather7°C (45°F)555 mm (21.9 inches)92%extreme
March Weather7°C (45°F)430 mm (16.9 inches)92%extreme
April Weather7°C (45°F)291 mm (11.5 inches)90%extreme
May Weather6°C (43°F)192 mm (7.5 inches)88%extreme
June Weather5°C (41°F)143 mm (5.6 inches)77%extreme
July Weather4°C (39°F)91 mm (3.6 inches)55%extreme
August Weather5°C (41°F)140 mm (5.5 inches)44%extreme
September Weather6°C (43°F)197 mm (7.8 inches)51%extreme
October Weather7°C (45°F)295 mm (11.6 inches)64%extreme
November Weather8°C (46°F)399 mm (15.7 inches)84%extreme
December Weather7°C (46°F)535 mm (21.1 inches)93%extreme

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