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September Weather in Layo, Peru

Last updated: August 27, 2025

In September, the average temperature in Layo, Peru hovers around 8°C (46°F). Fluctuations can be notable, with a minimum reaching -5°C (24°F) and a maximum soaring to 21°C (69°F). Expect about 35 mm (1.4 in) of precipitation spread over 12 days, coupled with an average humidity of 67%. Be prepared for a mix of chilly and mild weather!

September Temperature in Layo

In September in Layo, the average temperature is 8°C (46°F). The maximum can reach 21°C (69°F), while the minimum can drop as low as -5°C (24°F). This variation in temperature makes Layo an ideal destination for travelers who enjoy experiencing a range of weather conditions.

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

The chart illustrates September temperature patterns in Layo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Layo, September typically has an average temperature of 8°C (46°F), with highs reaching up to 21°C (69°F) and lows dropping to around -5°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec454545454342424446474846
Data source: Temperature data for Layo 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 Layo

In Layo in September, the precipitation amount is 35 mm (1.4 in) over a span of 12 days.

September Precipitation Trends in Layo

The chart displays monthly precipitation patterns in Layo, 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 Layo, September typically receives around 35 mm (1.4 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec22726027688289101035101153227
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Layo

In Layo in September, humidity is 67%. With an average temperature of 8°C (46°F), this humidity feels like a damp blanket enveloping you, making it feel colder than it actually is, which can be quite refreshing for exploring but may also require extra layers for comfort while traveling.

September Average Humidity in Layo

This chart illustrates the average monthly humidity levels in Layo, 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 Layo is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%93%92%91%87%76%57%51%67%77%85%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Layo

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

Maximum UV Index Levels in Layo for September

The chart shows the monthly maximum UV Index (UVI) for Layo 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 Layo typically reaches 17, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec232319171411131517181919
Data source: Layo 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 Layo Compares to Other Months

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

This table compares monthly weather conditions in Layo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (46°F)227 mm (8.9 inches)92%extreme
February Weather7°C (46°F)260 mm (10.2 inches)93%extreme
March Weather7°C (45°F)276 mm (10.9 inches)92%extreme
April Weather7°C (45°F)88 mm (3.5 inches)91%extreme
May Weather6°C (43°F)28 mm (1.1 inches)87%extreme
June Weather5°C (42°F)9 mm (0.3 inches)76%extreme
July Weather5°C (42°F)10 mm (0.4 inches)57%extreme
August Weather7°C (44°F)10 mm (0.4 inches)51%extreme
September Weather8°C (46°F)35 mm (1.4 inches)67%extreme
October Weather8°C (47°F)101 mm (4.0 inches)77%extreme
November Weather9°C (48°F)153 mm (6.0 inches)85%extreme
December Weather8°C (47°F)227 mm (8.9 inches)90%extreme

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