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September Weather in Buena Vista, Peru

Last updated: August 27, 2025

In September, the average temperature in Buena Vista, Peru hovers around 18°C (64°F). Expect a cozy atmosphere with minimum temperatures dipping to 13°C (56°F) and maximums rising to 23°C (74°F). The region typically sees 14 mm (0.5 in) of precipitation over 1 day, while the average humidity remains comfortable at 62%. Embrace the pleasant climate and enjoy your time in this beautiful location!

September Temperature in Buena Vista

In September in Buena Vista, the average temperature is 18°C (64°F). The maximum can reach 23°C (74°F) and the minimum can be as low as 13°C (56°F). This pleasant climate makes it an ideal time for outdoor activities and sightseeing.

September Weather in Buena Vista: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Buena Vista, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Buena Vista, September typically has an average temperature of 18°C (64°F), with highs reaching up to 23°C (74°F) and lows dropping to around 13°C (56°F).
JanFebMarAprMayJunJulAugSepOctNovDec727575716967656464656770
Data source: Temperature data for Buena Vista 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 Buena Vista

In Buena Vista in September, the precipitation amount is 14 mm (0.5 in) over the course of 1 day.

September Precipitation Trends in Buena Vista

The chart displays monthly precipitation patterns in Buena Vista, 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 Buena Vista, September typically receives around 14 mm (0.5 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec312652211210111214161430
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Buena Vista

In Buena Vista in September humidity is 62%. With an average temperature of 18°C (64°F), this humidity feels like a warm yet refreshing embrace, making it quite pleasant for traveling as long as you stay hydrated and take breaks in the shade.

September Average Humidity in Buena Vista

This chart illustrates the average monthly humidity levels in Buena Vista, 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 Buena Vista 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 Buena Vista

In Buena Vista in September, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Buena Vista, you can check here.

Maximum UV Index Levels in Buena Vista for September

The chart shows the monthly maximum UV Index (UVI) for Buena Vista 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 Buena Vista typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151616151311111214141414
Data source: Buena Vista 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 Buena Vista Compares to Other Months

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

This table compares monthly weather conditions in Buena Vista, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (73°F)31 mm (1.2 inches)91%extreme
February Weather24°C (75°F)26 mm (1.0 inches)89%extreme
March Weather24°C (75°F)52 mm (2.1 inches)89%extreme
April Weather22°C (72°F)21 mm (0.8 inches)88%extreme
May Weather20°C (69°F)12 mm (0.5 inches)84%extreme
June Weather19°C (67°F)10 mm (0.4 inches)73%extreme
July Weather18°C (65°F)11 mm (0.4 inches)55%extreme
August Weather18°C (64°F)12 mm (0.5 inches)53%extreme
September Weather18°C (64°F)14 mm (0.5 inches)62%extreme
October Weather18°C (65°F)16 mm (0.6 inches)82%extreme
November Weather19°C (67°F)14 mm (0.5 inches)89%extreme
December Weather21°C (70°F)30 mm (1.2 inches)91%extreme

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