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September Weather in San Antonio de Cheni, Peru

Last updated: August 27, 2025

In September, the average temperature in San Antonio de Cheni, Peru is a comfortable 22°C (73°F). Temperatures can vary, with a minimum of 15°C (59°F) and a maximum of 31°C (88°F). You'll likely experience some rain, with 125 mm (4.9 in) of precipitation distributed over 21 days. Additionally, the average humidity sits at a pleasant 43%, making for a generally enjoyable climate.

September Temperature in San Antonio de Cheni

In September, in San Antonio de Cheni, the average temperature is 22°C (73°F). The maximum can reach 31°C (88°F), while the minimum can drop as low as 15°C (59°F). It's a great time to visit for those who enjoy mild weather and outdoor activities.

September Weather in San Antonio de Cheni: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Antonio de Cheni, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Antonio de Cheni, September typically has an average temperature of 22°C (73°F), with highs reaching up to 31°C (88°F) and lows dropping to around 15°C (59°F).
JanFebMarAprMayJunJulAugSepOctNovDec727272727170707172737372
Data source: Temperature data for San Antonio de Cheni 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 San Antonio de Cheni

In San Antonio de Cheni in September, the precipitation amount is 125 mm (4.9 in), occurring over a span of 21 days.

September Precipitation Trends in San Antonio de Cheni

The chart displays monthly precipitation patterns in San Antonio de Cheni, 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 San Antonio de Cheni, September typically receives around 125 mm (4.9 inches) of precipitation spread over approximately 21 days.
JanFebMarAprMayJunJulAugSepOctNovDec322359315211153956875125204266352
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Antonio de Cheni

In San Antonio de Cheni in September, humidity is 43%. With an average temperature of 22°C (73°F), this humidity feels like a pleasant and comfortable embrace for traveling, allowing for enjoyable strolls and exploration without feeling overly sticky or heavy.

September Average Humidity in San Antonio de Cheni

This chart illustrates the average monthly humidity levels in San Antonio de Cheni, 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 San Antonio de Cheni is approximately 43%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%90%91%90%87%73%54%44%43%54%78%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in San Antonio de Cheni

In San Antonio de Cheni 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 San Antonio de Cheni, you can check here.

Maximum UV Index Levels in San Antonio de Cheni for September

The chart shows the monthly maximum UV Index (UVI) for San Antonio de Cheni 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 San Antonio de Cheni typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161616151211111214151615
Data source: San Antonio de Cheni 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 San Antonio de Cheni Compares to Other Months

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

This table compares monthly weather conditions in San Antonio de Cheni, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (72°F)322 mm (12.7 inches)91%extreme
February Weather22°C (72°F)359 mm (14.1 inches)89%extreme
March Weather22°C (72°F)315 mm (12.4 inches)91%extreme
April Weather22°C (72°F)211 mm (8.3 inches)90%extreme
May Weather21°C (71°F)153 mm (6.0 inches)87%extreme
June Weather21°C (70°F)95 mm (3.7 inches)73%extreme
July Weather21°C (70°F)68 mm (2.7 inches)54%extreme
August Weather22°C (71°F)75 mm (3.0 inches)44%extreme
September Weather22°C (73°F)125 mm (4.9 inches)43%extreme
October Weather23°C (73°F)204 mm (8.0 inches)54%extreme
November Weather23°C (73°F)266 mm (10.5 inches)78%extreme
December Weather22°C (73°F)352 mm (13.9 inches)91%extreme

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