September Weather in Bolivar, Peru

Last updated: August 27, 2025

In September, the average temperature in Bolivar, Peru hovers around 11°C (53°F). Expect a chilly minimum of 3°C (38°F) and a pleasant maximum of 21°C (70°F). With 142 mm (5.6 in) of precipitation spread across 26 days, you might want to keep an umbrella handy. The average humidity sits at a comfortable 42%. Enjoy the varied climate!

September Temperature in Bolivar

In September in Bolivar, the average temperature is 11°C (53°F). The maximum can reach 21°C (70°F) and the minimum can be as low as 3°C (38°F). This mild climate makes it a pleasant time for travel, perfect for outdoor activities and exploring the local sights.

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

The chart illustrates September temperature patterns in Bolivar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bolivar, September typically has an average temperature of 11°C (53°F), with highs reaching up to 21°C (70°F) and lows dropping to around 3°C (38°F).

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

September Precipitation in Bolivar

In Bolivar in September, the precipitation amount is 142 mm (5.6 in), occurring over a span of 26 days.

September Precipitation Trends in Bolivar

The chart displays monthly precipitation patterns in Bolivar, 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 Bolivar, September typically receives around 142 mm (5.6 inches) of precipitation spread over approximately 26 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 Bolivar

In Bolivar in September humidity is 42%. With an average temperature of 11°C (53°F), this humidity feels like a crisp, refreshing atmosphere that's perfect for exploring the outdoors, making it ideal for travelers who enjoy a cool and comfortable climate.

September Average Humidity in Bolivar

This chart illustrates the average monthly humidity levels in Bolivar, 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 Bolivar is approximately 42%, 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 Bolivar

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

Maximum UV Index Levels in Bolivar for September

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

Data source: Bolivar 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 Bolivar Compares to Other Months

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

This table compares monthly weather conditions in Bolivar, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	13°C (55°F)	304 mm (12.0 inches)	83%	extreme
February Weather	13°C (55°F)	337 mm (13.3 inches)	81%	extreme
March Weather	12°C (54°F)	418 mm (16.5 inches)	88%	extreme
April Weather	12°C (54°F)	233 mm (9.2 inches)	85%	extreme
May Weather	12°C (54°F)	165 mm (6.5 inches)	78%	extreme
June Weather	12°C (53°F)	96 mm (3.8 inches)	62%	extreme
July Weather	11°C (51°F)	84 mm (3.3 inches)	44%	extreme
August Weather	11°C (52°F)	94 mm (3.7 inches)	38%	extreme
September Weather	11°C (53°F)	142 mm (5.6 inches)	42%	extreme
October Weather	12°C (54°F)	271 mm (10.7 inches)	58%	extreme
November Weather	13°C (56°F)	353 mm (13.9 inches)	69%	extreme
December Weather	13°C (56°F)	350 mm (13.8 inches)	82%	extreme