September Weather in Bolivar, Peru

Last updated: August 27, 2025

In September, the average temperature in Bolivar, Peru is a pleasant 18°C (65°F). You can expect a minimum of 12°C (54°F) and a maximum of 25°C (78°F). With 39 mm (1.6 in) of precipitation spread over 12 days, be prepared for some rain, but enjoy the average humidity of 42% for a comfortable experience!

September Temperature in Bolivar

In September in Bolivar, the average temperature is 18°C (65°F). Maximums can reach 25°C (78°F), and minimums can be as low as 12°C (54°F). This mild climate makes Bolivar an ideal destination for travelers looking to enjoy comfortable weather.

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 18°C (65°F), with highs reaching up to 25°C (78°F) and lows dropping to around 12°C (54°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 39 mm (1.6 in) over the course of 12 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 39 mm (1.6 inches) of precipitation spread over approximately 12 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 18°C (65°F), this humidity feels like a pleasant embrace, making it comfortable for traveling as the air remains crisp and refreshing, perfect for exploring the sights without feeling sticky or overheated.

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 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 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 16, 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	21°C (70°F)	108 mm (4.3 inches)	83%	extreme
February Weather	21°C (71°F)	177 mm (7.0 inches)	81%	extreme
March Weather	21°C (71°F)	253 mm (10.0 inches)	88%	extreme
April Weather	21°C (70°F)	139 mm (5.5 inches)	85%	extreme
May Weather	20°C (69°F)	70 mm (2.8 inches)	78%	extreme
June Weather	19°C (67°F)	23 mm (0.9 inches)	62%	extreme
July Weather	19°C (66°F)	24 mm (1.0 inches)	44%	extreme
August Weather	18°C (65°F)	22 mm (0.9 inches)	38%	extreme
September Weather	18°C (65°F)	39 mm (1.6 inches)	42%	extreme
October Weather	19°C (66°F)	59 mm (2.3 inches)	58%	extreme
November Weather	19°C (67°F)	39 mm (1.5 inches)	69%	extreme
December Weather	20°C (68°F)	94 mm (3.7 inches)	82%	extreme