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September Weather in Quito-Arma, Peru

Last updated: August 27, 2025

In September, the average temperature in Quito-Arma, Peru hovers around 6°C (44°F), with a minimum dipping to -7°C (19°F) and a maximum reaching 16°C (61°F). Expect 110 mm (4.3 in) of precipitation spread over 23 days, contributing to an average humidity of 53%. Prepare for a month where brisk air and rainy days may characterize your experience!

September Temperature in Quito-Arma

In September in Quito-Arma, the average temperature is 6°C (44°F), with maximums reaching up to 16°C (61°F) and minimums dipping as low as -7°C (19°F). Travelers should be prepared for a mix of cool days and potential chilly nights.

September Weather in Quito-Arma: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Quito-Arma, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Quito-Arma, September typically has an average temperature of 6°C (44°F), with highs reaching up to 16°C (61°F) and lows dropping to around -7°C (19°F).
JanFebMarAprMayJunJulAugSepOctNovDec444444444242424244434444
Data source: Temperature data for Quito-Arma 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 Quito-Arma

In Quito-Arma in September, the precipitation amount is 110 mm (4.3 in) spread over 23 days.

September Precipitation Trends in Quito-Arma

The chart displays monthly precipitation patterns in Quito-Arma, 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 Quito-Arma, September typically receives around 110 mm (4.3 inches) of precipitation spread over approximately 23 days.
JanFebMarAprMayJunJulAugSepOctNovDec25926631215384393241110152145204
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Quito-Arma

In Quito-Arma in September humidity is 53%. With an average temperature of 6°C (44°F), this humidity feels like a brisk, refreshing chill, making travel invigorating yet slightly damp, so it's wise to dress in layers to stay comfortable while exploring.

September Average Humidity in Quito-Arma

This chart illustrates the average monthly humidity levels in Quito-Arma, 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 Quito-Arma is approximately 53%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%89%90%89%83%69%56%51%53%68%82%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Quito-Arma

In Quito-Arma 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 Quito-Arma, you can check Hourly UV Index in Quito-Arma.

Maximum UV Index Levels in Quito-Arma for September

The chart shows the monthly maximum UV Index (UVI) for Quito-Arma 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 Quito-Arma typically reaches 17, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec191919171411131517181918
Data source: Quito-Arma 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 Quito-Arma Compares to Other Months

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

This table compares monthly weather conditions in Quito-Arma, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)259 mm (10.2 inches)89%extreme
February Weather7°C (45°F)266 mm (10.5 inches)89%extreme
March Weather7°C (45°F)312 mm (12.3 inches)90%extreme
April Weather6°C (44°F)153 mm (6.0 inches)89%extreme
May Weather6°C (43°F)84 mm (3.3 inches)83%extreme
June Weather5°C (42°F)39 mm (1.5 inches)69%extreme
July Weather5°C (42°F)32 mm (1.3 inches)56%extreme
August Weather6°C (43°F)41 mm (1.6 inches)50%extreme
September Weather6°C (44°F)110 mm (4.3 inches)53%extreme
October Weather6°C (44°F)151 mm (6.0 inches)68%extreme
November Weather7°C (45°F)145 mm (5.7 inches)81%extreme
December Weather7°C (45°F)204 mm (8.0 inches)87%extreme

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