September Weather in Montero, Bolivia

Last updated: August 22, 2025

In Montero, Bolivia, the average temperature in September hovers around 26°C (79°F), making it pleasantly warm. However, be prepared for a range; temperatures can dip to a cool 11°C (51°F) and soar to a scorching 38°C (101°F). Expect some moisture, with 48 mm (1.9 in) of precipitation over about 6 days, and relish the comfortable average humidity of 39%.

September Temperature in Montero

In September in Montero, the average temperature is 26°C (79°F), with maximums reaching 38°C (101°F) and minimums dropping as low as 11°C (51°F). This pleasant weather makes Montero an ideal destination for travelers looking to enjoy both warm days and cooler evenings.

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

The chart illustrates September temperature patterns in Montero, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Montero, September typically has an average temperature of 26°C (79°F), with highs reaching up to 38°C (101°F) and lows dropping to around 11°C (51°F).

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

September Precipitation in Montero

In Montero in September, the precipitation amount is 48 mm (1.9 in) distributed over 6 days.

September Precipitation Trends in Montero

The chart displays monthly precipitation patterns in Montero, 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 Montero, September typically receives around 48 mm (1.9 inches) of precipitation spread over approximately 6 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 Montero

In Montero in September humidity is 39%. With an average temperature of 26°C (79°F), this humidity feels like a pleasant and comfortable warmth, making it ideal for exploring the outdoors and enjoying the sights without feeling sticky or overwhelmed by intense heat.

September Average Humidity in Montero

This chart illustrates the average monthly humidity levels in Montero, 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 Montero is approximately 39%, 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 Montero

In Montero in September, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Montero.

Maximum UV Index Levels in Montero for September

The chart shows the monthly maximum UV Index (UVI) for Montero 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 Montero typically reaches 12, which falls under the extreme exposure category.

Data source: Montero 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 Montero Compares to Other Months

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

This table compares monthly weather conditions in Montero, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (80°F)	198 mm (7.8 inches)	86%	extreme
February Weather	26°C (79°F)	179 mm (7.0 inches)	84%	extreme
March Weather	26°C (79°F)	124 mm (4.9 inches)	85%	extreme
April Weather	25°C (77°F)	106 mm (4.2 inches)	86%	extreme
May Weather	22°C (72°F)	89 mm (3.5 inches)	79%	very high
June Weather	21°C (69°F)	49 mm (1.9 inches)	64%	very high
July Weather	21°C (70°F)	26 mm (1.0 inches)	47%	very high
August Weather	23°C (73°F)	49 mm (1.9 inches)	40%	very high
September Weather	26°C (79°F)	48 mm (1.9 inches)	39%	extreme
October Weather	27°C (81°F)	123 mm (4.9 inches)	39%	extreme
November Weather	27°C (80°F)	216 mm (8.5 inches)	70%	extreme
December Weather	26°C (80°F)	257 mm (10.1 inches)	83%	extreme