September Weather in Cahuacho, Peru

Last updated: August 27, 2025

In September, the average temperature in Cahuacho, Peru hovers around 12°C (54°F), making it a mild time of year. Expect temperatures to range from a cool 3°C (37°F) to a pleasant 22°C (72°F). With an average precipitation of 19 mm (0.8 in) over approximately 5 days, you might encounter some light rain. Additionally, the average humidity sits at around 53%, adding a touch of moisture to the air.

September Temperature in Cahuacho

In September in Cahuacho, the average temperature is 12°C (54°F). Maximums can reach 22°C (72°F), while minimums can drop as low as 3°C (37°F). It's a great time to visit for those who enjoy mild weather and the chance to experience the beauty of the season.

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

The chart illustrates September temperature patterns in Cahuacho, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cahuacho, September typically has an average temperature of 12°C (54°F), with highs reaching up to 22°C (72°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec525151515150515254545554
Data source: Temperature data for Cahuacho 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 Cahuacho

In Cahuacho in September, the total precipitation amount is 19 mm (0.8 in), occurring over the course of 5 days.

September Precipitation Trends in Cahuacho

The chart displays monthly precipitation patterns in Cahuacho, 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 Cahuacho, September typically receives around 19 mm (0.8 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec20422023097321212519261763
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Cahuacho

In Cahuacho in September humidity is 53%. With an average temperature of 12°C (54°F), this humidity feels like a cool, crisp embrace that can make outdoor exploration refreshing yet requires light layers for comfort while traveling.

September Average Humidity in Cahuacho

This chart illustrates the average monthly humidity levels in Cahuacho, 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 Cahuacho is approximately 53%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%90%90%90%84%67%53%47%53%67%75%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Cahuacho

In Cahuacho 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 Cahuacho.

Maximum UV Index Levels in Cahuacho for September

The chart shows the monthly maximum UV Index (UVI) for Cahuacho 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 Cahuacho typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec181817161310121315171818
Data source: Cahuacho 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 Cahuacho Compares to Other Months

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

This table compares monthly weather conditions in Cahuacho, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)204 mm (8.0 inches)89%extreme
February Weather11°C (52°F)220 mm (8.7 inches)90%extreme
March Weather11°C (51°F)230 mm (9.0 inches)90%extreme
April Weather11°C (51°F)97 mm (3.8 inches)90%extreme
May Weather11°C (51°F)32 mm (1.2 inches)84%extreme
June Weather10°C (51°F)12 mm (0.5 inches)67%very high
July Weather10°C (51°F)12 mm (0.5 inches)53%extreme
August Weather11°C (52°F)4 mm (0.2 inches)47%extreme
September Weather12°C (54°F)19 mm (0.8 inches)53%extreme
October Weather12°C (55°F)26 mm (1.0 inches)67%extreme
November Weather13°C (55°F)17 mm (0.7 inches)75%extreme
December Weather12°C (55°F)63 mm (2.5 inches)82%extreme

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