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September Weather in Montero, Peru

Last updated: August 27, 2025

In Montero, Peru, the average temperature in September hovers around 17°C (64°F). Expect a low of 9°C (48°F) and a high of 26°C (79°F), making this a delightful time of year. Be prepared for some wet days, as 44 mm (1.7 in) of precipitation can be expected over 12 days. With an average humidity of 49%, the climate is comfortably refreshing for outdoor adventures!

September Temperature in Montero

In September in Montero, the average temperature is 17°C (64°F). Maximums can reach 26°C (79°F), and minimums can be as low as 9°C (48°F). This pleasant climate makes Montero an ideal destination for traveling during this time.

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

The chart illustrates September temperature patterns in Montero, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Montero, September typically has an average temperature of 17°C (64°F), with highs reaching up to 26°C (79°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec636363636362626363636263
Data source: Temperature data for Montero 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 Montero

In Montero in September, the total precipitation amounts to 44 mm (1.7 in) over the course of 12 days.

September Precipitation Trends in Montero

The chart displays monthly precipitation patterns in Montero, 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 Montero, September typically receives around 44 mm (1.7 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec33755573044021868271744182186358
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Montero

In Montero in September, humidity is 49%. With an average temperature of 17°C (64°F), this humidity feels like a refreshing embrace, making it perfect for sightseeing and outdoor adventures without feeling overly sticky or uncomfortable.

September Average Humidity in Montero

This chart illustrates the average monthly humidity levels in Montero, 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 Montero is approximately 49%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%85%87%88%73%51%44%49%71%77%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Montero

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

Maximum UV Index Levels in Montero for September

The chart shows the monthly maximum UV Index (UVI) for Montero 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 Montero typically reaches 17, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161718181513131417171615
Data source: Montero 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 Montero Compares to Other Months

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

This table compares monthly weather conditions in Montero, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (63°F)337 mm (13.3 inches)82%extreme
February Weather17°C (63°F)555 mm (21.8 inches)80%extreme
March Weather17°C (63°F)729 mm (28.7 inches)85%extreme
April Weather17°C (63°F)440 mm (17.3 inches)87%extreme
May Weather17°C (63°F)218 mm (8.6 inches)88%extreme
June Weather17°C (63°F)68 mm (2.7 inches)73%extreme
July Weather17°C (63°F)27 mm (1.1 inches)51%extreme
August Weather17°C (63°F)17 mm (0.7 inches)44%extreme
September Weather17°C (64°F)44 mm (1.7 inches)49%extreme
October Weather17°C (63°F)182 mm (7.1 inches)71%extreme
November Weather17°C (63°F)186 mm (7.3 inches)77%extreme
December Weather17°C (63°F)358 mm (14.1 inches)85%extreme

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