September Weather in Francisco Sa, Brazil

Last updated: August 22, 2025

In Francisco Sa, Brazil, the average temperature in September is a pleasant 25°C (77°F). Expect a minimum of 13°C (57°F) and a maximum soaring to 37°C (99°F). With only 3 mm (0.1 in) of precipitation spread over 0 days, you'll enjoy comfortable, dry weather. The average humidity sits at a moderate 55%, making it a delightful time to explore the area!

September Temperature in Francisco Sa

In September in Francisco Sa, the average temperature is 25°C (77°F). Maximums can reach 37°C (99°F), while minimums can be as low as 13°C (57°F). It's advisable to pack both light clothing for the warm days and a sweater for the cooler evenings when traveling during this time.

September Weather in Francisco Sa: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Francisco Sa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Francisco Sa, September typically has an average temperature of 25°C (77°F), with highs reaching up to 37°C (99°F) and lows dropping to around 13°C (57°F).

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

September Precipitation in Francisco Sa

In Francisco Sa in September, the precipitation amount is 3 mm (0.1 in) during a total of 0 days.

September Precipitation Trends in Francisco Sa

The chart displays monthly precipitation patterns in Francisco Sa, 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 Francisco Sa, September typically receives around 3 mm (0.1 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 Francisco Sa

In Francisco Sa in September humidity is 55%. With an average temperature of 25°C (77°F), this humidity feels like a warm, enveloping blanket that makes the air feel heavier, encouraging leisurely strolls and inviting you to explore the vibrant surroundings at a comfortable pace.

September Average Humidity in Francisco Sa

This chart illustrates the average monthly humidity levels in Francisco Sa, 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 Francisco Sa is approximately 55%, 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 Francisco Sa

In Francisco Sa 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 Francisco Sa.

Maximum UV Index Levels in Francisco Sa for September

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

Data source: Francisco Sa 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 Francisco Sa Compares to Other Months

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

This table compares monthly weather conditions in Francisco Sa, 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 (78°F)	81 mm (3.2 inches)	76%	extreme
February Weather	25°C (77°F)	196 mm (7.7 inches)	84%	extreme
March Weather	25°C (77°F)	109 mm (4.3 inches)	86%	extreme
April Weather	24°C (75°F)	32 mm (1.2 inches)	81%	extreme
May Weather	22°C (72°F)	16 mm (0.6 inches)	74%	very high
June Weather	22°C (71°F)	2 mm (0.1 inches)	72%	very high
July Weather	21°C (69°F)	1 mm (0.1 inches)	69%	very high
August Weather	22°C (73°F)	3 mm (0.1 inches)	64%	extreme
September Weather	25°C (77°F)	3 mm (0.1 inches)	55%	extreme
October Weather	27°C (80°F)	67 mm (2.6 inches)	44%	extreme
November Weather	25°C (77°F)	130 mm (5.1 inches)	45%	extreme
December Weather	24°C (76°F)	176 mm (6.9 inches)	54%	extreme