September Weather in Caja, Peru

Last updated: August 27, 2025

In September, the average temperature in Caja, Peru is a comfortable 8°C (48°F). Expect a chill as the minimum can drop to 1°C (33°F), while the maximum reaches a pleasant 17°C (63°F). During this time, anticipate a precipitation amount of 76 mm (3.0 in) spread across about 15 days, accompanied by an average humidity level of 52%.

September Temperature in Caja

In September in Caja, the average temperature is 8°C (48°F). The maximum can reach 17°C (63°F), while the minimum can drop as low as 1°C (33°F). It's advisable to pack layers and a warm jacket for your travels during this time.

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

The chart illustrates September temperature patterns in Caja, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Caja, September typically has an average temperature of 8°C (48°F), with highs reaching up to 17°C (63°F) and lows dropping to around 1°C (33°F).

Data source: Temperature data for Caja generated using information from the Copernicus Climate Change Service.

September Precipitation in Caja

In Caja in September, the precipitation amount is 76 mm (3.0 in), recorded over a span of 15 days.

September Precipitation Trends in Caja

The chart displays monthly precipitation patterns in Caja, 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 Caja, September typically receives around 76 mm (3.0 inches) of precipitation spread over approximately 15 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Caja

In Caja in September, humidity is 52%. With an average temperature of 8°C (48°F), this humidity feels like a brisk, refreshing chill in the air, making travel invigorating yet slightly damp, prompting visitors to layer up for comfort.

September Average Humidity in Caja

This chart illustrates the average monthly humidity levels in Caja, 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 Caja is approximately 52%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Caja

In Caja 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 Caja.

Maximum UV Index Levels in Caja for September

The chart shows the monthly maximum UV Index (UVI) for Caja 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 Caja typically reaches 16, which falls under the extreme exposure category.

Data source: Caja 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 Caja Compares to Other Months

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

This table compares monthly weather conditions in Caja, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (49°F)	187 mm (7.4 inches)	93%	extreme
February Weather	10°C (50°F)	239 mm (9.4 inches)	92%	extreme
March Weather	9°C (49°F)	202 mm (7.9 inches)	92%	extreme
April Weather	9°C (48°F)	98 mm (3.9 inches)	90%	extreme
May Weather	8°C (47°F)	72 mm (2.9 inches)	85%	extreme
June Weather	8°C (46°F)	35 mm (1.4 inches)	70%	extreme
July Weather	7°C (45°F)	33 mm (1.3 inches)	54%	extreme
August Weather	8°C (46°F)	56 mm (2.2 inches)	44%	extreme
September Weather	8°C (48°F)	76 mm (3.0 inches)	52%	extreme
October Weather	9°C (49°F)	104 mm (4.1 inches)	65%	extreme
November Weather	10°C (51°F)	141 mm (5.6 inches)	81%	extreme
December Weather	10°C (50°F)	196 mm (7.7 inches)	89%	extreme