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September Weather in Unon, Peru

Last updated: August 27, 2025

In September, the average temperature in Unon, Peru hovers around 11°C (52°F). While you may experience a chilly minimum of 1°C (34°F), the days can pleasantly warm up to a maximum of 20°C (68°F). Be prepared for some rain, as 25 mm (1.0 in) of precipitation is expected over approximately 7 days. With an average humidity of 53%, it’s a month of mild weather that’s perfect for exploring!

September Temperature in Unon

In September in Unon, the average temperature is 11°C (52°F). Maximums can reach 20°C (68°F), while minimums can drop to as low as 1°C (34°F). This pleasant climate makes it an ideal time for travelers to explore the beauty of Unon.

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

The chart illustrates September temperature patterns in Unon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Unon, September typically has an average temperature of 11°C (52°F), with highs reaching up to 20°C (68°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec505050504948484952525252
Data source: Temperature data for Unon 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 Unon

In Unon in September, the precipitation amount is 25 mm (1.0 in) over the course of 7 days.

September Precipitation Trends in Unon

The chart displays monthly precipitation patterns in Unon, 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 Unon, September typically receives around 25 mm (1.0 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec15415215886421713625413265
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Unon

In Unon in September humidity is 53%. With an average temperature of 11°C (52°F), this humidity feels like a refreshing embrace, making it comfortable for traveling, though a light jacket may be needed as you explore the sights.

September Average Humidity in Unon

This chart illustrates the average monthly humidity levels in Unon, 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 Unon 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 Unon

In Unon in September, the maximum UV index is 16, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, making it crucial to take protective measures. For detailed information, you can refer to the Hourly UV Index in Unon.

Maximum UV Index Levels in Unon for September

The chart shows the monthly maximum UV Index (UVI) for Unon 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 Unon typically reaches 16, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec191918171311121416181918
Data source: Unon 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 Unon Compares to Other Months

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

This table compares monthly weather conditions in Unon, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)154 mm (6.1 inches)89%extreme
February Weather10°C (50°F)152 mm (6.0 inches)90%extreme
March Weather10°C (50°F)158 mm (6.2 inches)90%extreme
April Weather10°C (50°F)86 mm (3.4 inches)90%extreme
May Weather10°C (50°F)42 mm (1.6 inches)84%extreme
June Weather9°C (48°F)17 mm (0.7 inches)67%extreme
July Weather9°C (48°F)13 mm (0.5 inches)53%extreme
August Weather10°C (50°F)6 mm (0.3 inches)47%extreme
September Weather11°C (52°F)25 mm (1.0 inches)53%extreme
October Weather11°C (52°F)41 mm (1.6 inches)67%extreme
November Weather11°C (53°F)32 mm (1.3 inches)75%extreme
December Weather11°C (52°F)65 mm (2.6 inches)82%extreme

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