September Weather in Sao Francisco de Assis, Brazil

Last updated: August 22, 2025

In September, the average temperature in Sao Francisco de Assis, Brazil hovers around 18°C (65°F). Visitors can experience a temperature range from a cool 5°C (41°F) to a warm 34°C (93°F). Throughout the month, expect 146 mm (5.7 in) of precipitation over approximately 10 days, complemented by an average humidity of 59%. Whether you’re exploring the outdoors or enjoying local culture, be prepared for a mix of weather!

September Temperature in Sao Francisco de Assis

In September in Sao Francisco de Assis, the average temperature is 18°C (65°F). Maximum temperatures can reach up to 34°C (93°F), while minimums can drop as low as 5°C (41°F). This variation makes it an ideal time for travelers to pack layers and enjoy a diverse range of outdoor activities.

September Weather in Sao Francisco de Assis: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Sao Francisco de Assis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sao Francisco de Assis, September typically has an average temperature of 18°C (65°F), with highs reaching up to 34°C (93°F) and lows dropping to around 5°C (41°F).

Data source: Temperature data for Sao Francisco de Assis generated using information from the Copernicus Climate Change Service.

September Precipitation in Sao Francisco de Assis

In Sao Francisco de Assis in September, the total precipitation amount is 146 mm (5.7 in) over the course of 10 days.

September Precipitation Trends in Sao Francisco de Assis

The chart displays monthly precipitation patterns in Sao Francisco de Assis, 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 Sao Francisco de Assis, September typically receives around 146 mm (5.7 inches) of precipitation spread over approximately 10 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 Sao Francisco de Assis

In Sao Francisco de Assis in September, humidity is 59%. With an average temperature of 18°C (65°F), this humidity feels like a gentle embrace, providing a refreshing atmosphere that's ideal for exploring the sights without feeling too hot or sticky.

September Average Humidity in Sao Francisco de Assis

This chart illustrates the average monthly humidity levels in Sao Francisco de Assis, 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 Sao Francisco de Assis is approximately 59%, 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 Sao Francisco de Assis

In Sao Francisco de Assis in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Sao Francisco de Assis.

Maximum UV Index Levels in Sao Francisco de Assis for September

The chart shows the monthly maximum UV Index (UVI) for Sao Francisco de Assis 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 Sao Francisco de Assis typically reaches 9, which falls under the very high exposure category.

Data source: Sao Francisco de Assis 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 Sao Francisco de Assis Compares to Other Months

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

This table compares monthly weather conditions in Sao Francisco de Assis, 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)	162 mm (6.4 inches)	70%	extreme
February Weather	25°C (77°F)	82 mm (3.2 inches)	66%	extreme
March Weather	23°C (74°F)	133 mm (5.2 inches)	73%	extreme
April Weather	21°C (70°F)	88 mm (3.5 inches)	81%	very high
May Weather	17°C (62°F)	165 mm (6.5 inches)	82%	high
June Weather	15°C (60°F)	105 mm (4.1 inches)	77%	moderate
July Weather	14°C (58°F)	81 mm (3.2 inches)	69%	moderate
August Weather	16°C (61°F)	102 mm (4.0 inches)	51%	high
September Weather	18°C (65°F)	146 mm (5.7 inches)	59%	very high
October Weather	20°C (69°F)	137 mm (5.4 inches)	63%	extreme
November Weather	23°C (73°F)	123 mm (4.8 inches)	66%	extreme
December Weather	25°C (77°F)	83 mm (3.3 inches)	81%	extreme