September Weather in Arirahua, Peru

Last updated: August 27, 2025

In September, the average temperature in Arirahua, Peru reaches a pleasant 18°C (64°F). Expect a minimum of 10°C (49°F) and a maximum of 27°C (81°F), creating the perfect climate for outdoor activities. With only 1 mm (0.1 in) of precipitation over 0 days, you can enjoy the sunshine along with an average humidity of 53%.

September Temperature in Arirahua

In September, in Arirahua, the average temperature is 18°C (64°F). The maximum can reach 27°C (81°F), and the minimum can be as low as 10°C (49°F). This mild weather makes Arirahua an ideal destination for travelers looking to enjoy comfortable outdoor activities.

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

The chart illustrates September temperature patterns in Arirahua, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arirahua, September typically has an average temperature of 18°C (64°F), with highs reaching up to 27°C (81°F) and lows dropping to around 10°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec605959616261616164646463
Data source: Temperature data for Arirahua 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 Arirahua

In Arirahua in September, the precipitation amount is 1 mm (0.1 in) during 0 days, indicating a very dry period.

September Precipitation Trends in Arirahua

The chart displays monthly precipitation patterns in Arirahua, 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 Arirahua, September typically receives around 1 mm (0.1 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec23422020547723014539
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Arirahua

In Arirahua in September humidity is 53%. With an average temperature of 18°C (64°F), this humidity feels like a comfortable embrace, allowing for enjoyable outdoor exploration and leisurely strolls without overwhelming heat or discomfort.

September Average Humidity in Arirahua

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

In Arirahua 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 Arirahua.

Maximum UV Index Levels in Arirahua for September

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

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

This table compares monthly weather conditions in Arirahua, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather16°C (60°F)234 mm (9.2 inches)89%extreme
February Weather15°C (60°F)220 mm (8.6 inches)90%extreme
March Weather15°C (60°F)205 mm (8.1 inches)90%extreme
April Weather16°C (61°F)47 mm (1.8 inches)90%extreme
May Weather17°C (62°F)7 mm (0.3 inches)84%extreme
June Weather16°C (61°F)2 mm (0.1 inches)67%very high
July Weather16°C (61°F)3 mm (0.1 inches)53%extreme
August Weather16°C (62°F)0 mm (0.0 inches)47%extreme
September Weather18°C (64°F)1 mm (0.1 inches)53%extreme
October Weather18°C (64°F)4 mm (0.1 inches)67%extreme
November Weather18°C (64°F)5 mm (0.2 inches)75%extreme
December Weather17°C (63°F)39 mm (1.5 inches)82%extreme

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