September Weather in Cupi, Peru

Last updated: August 27, 2025

In September, the average temperature in Cupi, Peru hovers around 8°C (46°F). Expect a range from a chilly -6°C (21°F) to a mild 19°C (67°F). With 40 mm (1.6 in) of precipitation spread over 11 days, much of the month may be wet. The average humidity sits at a comfortable 67%, making it a season to remember!

September Temperature in Cupi

In September in Cupi, the average temperature is 8°C (46°F), with a maximum reaching 19°C (67°F) and a minimum as low as -6°C (21°F). This climate makes it essential for travelers to prepare for a range of weather conditions during their stay.

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

The chart illustrates September temperature patterns in Cupi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cupi, September typically has an average temperature of 8°C (46°F), with highs reaching up to 19°C (67°F) and lows dropping to around -6°C (21°F).

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

September Precipitation in Cupi

In Cupi in September, the precipitation amount is 40 mm (1.6 in) spread over a duration of 11 days.

September Precipitation Trends in Cupi

The chart displays monthly precipitation patterns in Cupi, 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 Cupi, September typically receives around 40 mm (1.6 inches) of precipitation spread over approximately 11 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 Cupi

In Cupi in September, humidity is 67%. With an average temperature of 8°C (46°F), this humidity feels like a damp blanket enveloping you, making it feel colder than it actually is, which can be quite refreshing for exploring but may also require extra layers for comfort while traveling.

September Average Humidity in Cupi

This chart illustrates the average monthly humidity levels in Cupi, 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 Cupi is approximately 67%, 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 Cupi

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

Maximum UV Index Levels in Cupi for September

The chart shows the monthly maximum UV Index (UVI) for Cupi 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 Cupi typically reaches 17, which falls under the extreme exposure category.

Data source: Cupi 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 Cupi Compares to Other Months

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

This table compares monthly weather conditions in Cupi, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	7°C (45°F)	211 mm (8.3 inches)	92%	extreme
February Weather	7°C (44°F)	272 mm (10.7 inches)	93%	extreme
March Weather	7°C (44°F)	248 mm (9.8 inches)	92%	extreme
April Weather	6°C (44°F)	97 mm (3.8 inches)	91%	extreme
May Weather	5°C (42°F)	31 mm (1.2 inches)	87%	extreme
June Weather	5°C (41°F)	5 mm (0.2 inches)	76%	extreme
July Weather	5°C (42°F)	6 mm (0.2 inches)	57%	extreme
August Weather	6°C (44°F)	5 mm (0.2 inches)	51%	extreme
September Weather	8°C (46°F)	40 mm (1.6 inches)	67%	extreme
October Weather	8°C (46°F)	98 mm (3.8 inches)	77%	extreme
November Weather	9°C (48°F)	127 mm (5.0 inches)	85%	extreme
December Weather	7°C (46°F)	228 mm (9.0 inches)	90%	extreme