September Weather in Formosa do Rio Preto, Brazil

Last updated: August 22, 2025

In Formosa do Rio Preto, Brazil, the average temperature in September is a warm 27°C (81°F), with a minimum of 17°C (63°F) and a maximum soaring to 39°C (102°F). Expect a dry climate with only 1 mm (0.0 in) of precipitation spread across 0 days, and enjoy a comfortable average humidity of 41%.

September Temperature in Formosa do Rio Preto

In September in Formosa do Rio Preto, the average temperature is 27°C (81°F), with maximums reaching as high as 39°C (102°F) and minimums dropping to 17°C (63°F). This range makes it an ideal time for travelers seeking warm weather, but they should also be prepared for cooler evenings.

September Weather in Formosa do Rio Preto: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Formosa do Rio Preto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Formosa do Rio Preto, September typically has an average temperature of 27°C (81°F), with highs reaching up to 39°C (102°F) and lows dropping to around 17°C (63°F).

Data source: Temperature data for Formosa do Rio Preto generated using information from the Copernicus Climate Change Service.

September Precipitation in Formosa do Rio Preto

In Formosa do Rio Preto in September, the precipitation amount is 1 mm (0.0 in) during a span of 0 days.

September Precipitation Trends in Formosa do Rio Preto

The chart displays monthly precipitation patterns in Formosa do Rio Preto, 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 Formosa do Rio Preto, September typically receives around 1 mm (0.0 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 Formosa do Rio Preto

In Formosa do Rio Preto in September humidity is 41%. With an average temperature of 27°C (81°F), this humidity feels like a warm embrace, making it comfortable for exploring outdoor attractions without overwhelming discomfort.

September Average Humidity in Formosa do Rio Preto

This chart illustrates the average monthly humidity levels in Formosa do Rio Preto, 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 Formosa do Rio Preto is approximately 41%, 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 Formosa do Rio Preto

In Formosa do Rio Preto 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 Formosa do Rio Preto.

Maximum UV Index Levels in Formosa do Rio Preto for September

The chart shows the monthly maximum UV Index (UVI) for Formosa do Rio Preto 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 Formosa do Rio Preto typically reaches 13, which falls under the extreme exposure category.

Data source: Formosa do Rio Preto 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 Formosa do Rio Preto Compares to Other Months

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

This table compares monthly weather conditions in Formosa do Rio Preto, 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 (79°F)	95 mm (3.8 inches)	86%	extreme
February Weather	25°C (77°F)	195 mm (7.7 inches)	90%	extreme
March Weather	25°C (77°F)	169 mm (6.6 inches)	92%	extreme
April Weather	25°C (78°F)	66 mm (2.6 inches)	87%	extreme
May Weather	25°C (78°F)	21 mm (0.8 inches)	75%	extreme
June Weather	24°C (76°F)	1 mm (0.0 inches)	63%	very high
July Weather	24°C (75°F)	1 mm (0.0 inches)	57%	extreme
August Weather	25°C (78°F)	0 mm (0.0 inches)	49%	extreme
September Weather	27°C (81°F)	1 mm (0.0 inches)	41%	extreme
October Weather	28°C (83°F)	47 mm (1.9 inches)	33%	extreme
November Weather	26°C (80°F)	130 mm (5.1 inches)	39%	extreme
December Weather	26°C (79°F)	165 mm (6.5 inches)	61%	extreme