September Weather in Imperial, Peru

Last updated: August 27, 2025

In Imperial, Peru, the average temperature in September is a pleasant 17°C (63°F). Expect lows of 13°C (56°F) and highs reaching 22°C (72°F). With an average humidity of 53%, this month offers a comfortable climate, complemented by a mere 2 mm (0.1 in) of precipitation over 0 days.

September Temperature in Imperial

In September in Imperial, the average temperature is 17°C (63°F). Maximum temperatures can reach 22°C (72°F), while the minimum can drop to as low as 13°C (56°F). It's a comfortable time for traveling, with mild weather perfect for exploring the sights.

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

The chart illustrates September temperature patterns in Imperial, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Imperial, September typically has an average temperature of 17°C (63°F), with highs reaching up to 22°C (72°F) and lows dropping to around 13°C (56°F).

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

September Precipitation in Imperial

In Imperial in September, the precipitation amount is 2 mm (0.1 in) during a span of 0 days.

September Precipitation Trends in Imperial

The chart displays monthly precipitation patterns in Imperial, 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 Imperial, September typically receives around 2 mm (0.1 inches) of precipitation spread over approximately 0 days.

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

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Millimeters (mm) Inches (in)

September Humidity in Imperial

In Imperial in September humidity is 53%. With an average temperature of 17°C (63°F), this humidity feels like a refreshing embrace, making it comfortable for sightseeing and outdoor adventures, yet a light jacket may be a welcome companion as you explore.

September Average Humidity in Imperial

This chart illustrates the average monthly humidity levels in Imperial, 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 Imperial is approximately 53%, 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 Imperial

In Imperial 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 Imperial, you can check here.

Maximum UV Index Levels in Imperial for September

The chart shows the monthly maximum UV Index (UVI) for Imperial 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 Imperial typically reaches 14, which falls under the extreme exposure category.

Data source: Imperial 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 Imperial Compares to Other Months

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

This table compares monthly weather conditions in Imperial, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	20°C (68°F)	59 mm (2.3 inches)	89%	extreme
February Weather	20°C (69°F)	78 mm (3.1 inches)	89%	extreme
March Weather	20°C (69°F)	53 mm (2.1 inches)	90%	extreme
April Weather	20°C (67°F)	10 mm (0.4 inches)	89%	extreme
May Weather	19°C (66°F)	5 mm (0.2 inches)	83%	extreme
June Weather	18°C (64°F)	2 mm (0.1 inches)	69%	very high
July Weather	17°C (63°F)	1 mm (0.0 inches)	56%	extreme
August Weather	17°C (63°F)	1 mm (0.0 inches)	50%	extreme
September Weather	17°C (63°F)	2 mm (0.1 inches)	53%	extreme
October Weather	18°C (64°F)	6 mm (0.2 inches)	68%	extreme
November Weather	18°C (65°F)	3 mm (0.1 inches)	81%	extreme
December Weather	19°C (67°F)	11 mm (0.4 inches)	87%	extreme