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September Weather in Cayran, Peru

Last updated: August 27, 2025

In Cayran, Peru, the average temperature in September hovers around 12°C (53°F). Expect a chilly minimum of 3°C (37°F) and a pleasant maximum of 20°C (68°F). During this time, you can anticipate about 37 mm (1.5 in) of precipitation over 13 days, with an average humidity of 40%.

September Temperature in Cayran

In September in Cayran, the average temperature is 12°C (53°F). Maximums can reach 20°C (68°F), and minimums can be as low as 3°C (37°F). This mild climate makes it an ideal time for traveling, allowing you to explore and enjoy outdoor activities comfortably.

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

The chart illustrates September temperature patterns in Cayran, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cayran, September typically has an average temperature of 12°C (53°F), with highs reaching up to 20°C (68°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec545554545353525253545555
Data source: Temperature data for Cayran 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 Cayran

In Cayran in September, the total precipitation amount is 37 mm (1.5 in), occurring over a period of 13 days.

September Precipitation Trends in Cayran

The chart displays monthly precipitation patterns in Cayran, 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 Cayran, September typically receives around 37 mm (1.5 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec176193190102623530253788117158
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Cayran

In Cayran in September humidity is 40%. With an average temperature of 12°C (53°F), this humidity feels like a refreshing breeze, making outdoor exploration comfortable yet invigorating for travelers.

September Average Humidity in Cayran

This chart illustrates the average monthly humidity levels in Cayran, 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 Cayran is approximately 40%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%90%91%89%85%65%47%38%40%56%76%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Cayran

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

Maximum UV Index Levels in Cayran for September

The chart shows the monthly maximum UV Index (UVI) for Cayran 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 Cayran typically reaches 17, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec191919181513141417181817
Data source: Cayran 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 Cayran Compares to Other Months

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

This table compares monthly weather conditions in Cayran, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (54°F)176 mm (6.9 inches)91%extreme
February Weather13°C (55°F)193 mm (7.6 inches)90%extreme
March Weather12°C (54°F)190 mm (7.5 inches)91%extreme
April Weather12°C (54°F)102 mm (4.0 inches)89%extreme
May Weather12°C (54°F)62 mm (2.4 inches)85%extreme
June Weather11°C (53°F)35 mm (1.4 inches)65%extreme
July Weather11°C (52°F)30 mm (1.2 inches)47%extreme
August Weather11°C (52°F)25 mm (1.0 inches)38%extreme
September Weather12°C (53°F)37 mm (1.5 inches)40%extreme
October Weather12°C (54°F)88 mm (3.4 inches)56%extreme
November Weather13°C (56°F)117 mm (4.6 inches)76%extreme
December Weather13°C (55°F)158 mm (6.2 inches)90%extreme

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