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September Weather in Dos Unidos, Peru

Last updated: August 27, 2025

In September, the average temperature in Dos Unidos, Peru is a pleasant 25°C (78°F). Expect a minimum of 18°C (65°F) and a maximum of 35°C (96°F), making it a great time for outdoor activities. However, be prepared for some rain, as the area receives about 118 mm (4.7 in) of precipitation over 16 days. With an average humidity of 42%, the weather is generally comfortable for exploring and enjoying the local scenery.

September Temperature in Dos Unidos

In September in Dos Unidos, the average temperature is 25°C (78°F). Maximums can reach 35°C (96°F), while minimums can drop as low as 18°C (65°F). This climate makes Dos Unidos an ideal destination for travelers who enjoy warm weather and outdoor activities.

September Weather in Dos Unidos: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Dos Unidos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dos Unidos, September typically has an average temperature of 25°C (78°F), with highs reaching up to 35°C (96°F) and lows dropping to around 18°C (65°F).
JanFebMarAprMayJunJulAugSepOctNovDec777877777776757678787878
Data source: Temperature data for Dos Unidos 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 Dos Unidos

In Dos Unidos in September, the total precipitation amount is 118 mm (4.7 in) spread over 16 days.

September Precipitation Trends in Dos Unidos

The chart displays monthly precipitation patterns in Dos Unidos, 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 Dos Unidos, September typically receives around 118 mm (4.7 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec249210350281254185135111118192228177
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Dos Unidos

In Dos Unidos in September, humidity is 42%. With an average temperature of 25°C (78°F), this humidity feels like a comfortable embrace, ideal for exploring the sights and enjoying outdoor activities without the discomfort of excessive heat or stickiness.

September Average Humidity in Dos Unidos

This chart illustrates the average monthly humidity levels in Dos Unidos, 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 Dos Unidos is approximately 42%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%76%81%86%86%70%47%37%42%62%76%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Dos Unidos

In Dos Unidos 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 Dos Unidos, you can check here.

Maximum UV Index Levels in Dos Unidos for September

The chart shows the monthly maximum UV Index (UVI) for Dos Unidos 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 Dos Unidos typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151616161311111214151414
Data source: Dos Unidos 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 Dos Unidos Compares to Other Months

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

This table compares monthly weather conditions in Dos Unidos, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (78°F)249 mm (9.8 inches)80%extreme
February Weather25°C (78°F)210 mm (8.3 inches)76%extreme
March Weather25°C (77°F)350 mm (13.8 inches)81%extreme
April Weather25°C (77°F)281 mm (11.1 inches)86%extreme
May Weather25°C (77°F)254 mm (10.0 inches)86%extreme
June Weather24°C (76°F)185 mm (7.3 inches)70%extreme
July Weather24°C (75°F)135 mm (5.3 inches)47%extreme
August Weather25°C (77°F)111 mm (4.4 inches)37%extreme
September Weather25°C (78°F)118 mm (4.7 inches)42%extreme
October Weather26°C (78°F)192 mm (7.5 inches)62%extreme
November Weather26°C (79°F)228 mm (9.0 inches)76%extreme
December Weather26°C (78°F)177 mm (7.0 inches)89%extreme

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