September Weather in Monte Santo, Brazil

Last updated: August 22, 2025

In Monte Santo, Brazil, the average temperature in September hovers around a pleasant 24°C (75°F). Temperatures can range from a cool 17°C (63°F) to a warm 37°C (99°F). Expect some light rain, with an average precipitation of 21 mm (0.8 in) over approximately 7 days. With an average humidity of 70%, it's a month that balances comfort with a hint of tropical charm.

September Temperature in Monte Santo

In September in Monte Santo, the average temperature is 24°C (75°F). Maximums can reach 37°C (99°F), and minimums can be as low as 17°C (63°F). This makes it an ideal time to enjoy outdoor activities and explore the vibrant surroundings.

September Weather in Monte Santo: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Monte Santo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Monte Santo, September typically has an average temperature of 24°C (75°F), with highs reaching up to 37°C (99°F) and lows dropping to around 17°C (63°F).

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

September Precipitation in Monte Santo

In Monte Santo in September, the precipitation amount is 21 mm (0.8 in) over the course of 7 days.

September Precipitation Trends in Monte Santo

The chart displays monthly precipitation patterns in Monte Santo, 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 Monte Santo, September typically receives around 21 mm (0.8 inches) of precipitation spread over approximately 7 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 Monte Santo

In Monte Santo in September, humidity is 70%. With an average temperature of 24°C (75°F), this humidity feels like a warm, heavy blanket wrapping around you, making outdoor activities a bit sluggish and sticky, ideal for leisurely strolls but requiring plenty of hydration.

September Average Humidity in Monte Santo

This chart illustrates the average monthly humidity levels in Monte Santo, 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 Monte Santo is approximately 70%, 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 Monte Santo

In Monte Santo in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Monte Santo.

Maximum UV Index Levels in Monte Santo for September

The chart shows the monthly maximum UV Index (UVI) for Monte Santo 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 Monte Santo typically reaches 13, which falls under the extreme exposure category.

Data source: Monte Santo 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 Monte Santo Compares to Other Months

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

This table compares monthly weather conditions in Monte Santo, 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)	22 mm (0.9 inches)	76%	extreme
February Weather	27°C (81°F)	41 mm (1.6 inches)	84%	extreme
March Weather	27°C (81°F)	62 mm (2.4 inches)	89%	extreme
April Weather	26°C (79°F)	43 mm (1.7 inches)	91%	extreme
May Weather	24°C (76°F)	42 mm (1.7 inches)	89%	extreme
June Weather	23°C (74°F)	37 mm (1.5 inches)	87%	very high
July Weather	22°C (72°F)	38 mm (1.5 inches)	80%	very high
August Weather	23°C (73°F)	24 mm (0.9 inches)	75%	extreme
September Weather	24°C (75°F)	21 mm (0.8 inches)	70%	extreme
October Weather	26°C (79°F)	15 mm (0.6 inches)	66%	extreme
November Weather	26°C (79°F)	46 mm (1.8 inches)	61%	extreme
December Weather	26°C (80°F)	52 mm (2.0 inches)	61%	extreme