September Weather in Barra de Sao Francisco, Brazil

Last updated: August 22, 2025

In Barra de Sao Francisco, Brazil, the average temperature in September hovers around 23°C (73°F), making it a pleasant time to visit. Expect a minimum of 12°C (54°F) on cooler days, while the mercury can soar up to 35°C (95°F) during warm spells. Pack your umbrella, as you might encounter 23 mm (0.9 in) of precipitation over 5 days. With an average humidity of 71%, prepare for a bit of stickiness in the air!

September Temperature in Barra de Sao Francisco

In September in Barra de Sao Francisco, the average temperature is 23°C (73°F), with maximums reaching up to 35°C (95°F) and minimums dropping as low as 12°C (54°F). This pleasant climate makes it an ideal time for travelers to explore and enjoy outdoor activities.

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

The chart illustrates September temperature patterns in Barra de Sao Francisco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Barra de Sao Francisco, September typically has an average temperature of 23°C (73°F), with highs reaching up to 35°C (95°F) and lows dropping to around 12°C (54°F).

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

September Precipitation in Barra de Sao Francisco

In Barra de Sao Francisco in September, the precipitation amount is 23 mm (0.9 in) over the course of 5 days.

September Precipitation Trends in Barra de Sao Francisco

The chart displays monthly precipitation patterns in Barra de Sao Francisco, 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 Barra de Sao Francisco, September typically receives around 23 mm (0.9 inches) of precipitation spread over approximately 5 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 Barra de Sao Francisco

In Barra de Sao Francisco in September humidity is 71%. With an average temperature of 23°C (73°F), this humidity feels like a warm, sticky embrace, making outdoor exploration slightly uncomfortable but still manageable if you stay hydrated and plan for breaks in shaded areas.

September Average Humidity in Barra de Sao Francisco

This chart illustrates the average monthly humidity levels in Barra de Sao Francisco, 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 Barra de Sao Francisco is approximately 71%, 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 Barra de Sao Francisco

In Barra de Sao Francisco 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 Barra de Sao Francisco.

Maximum UV Index Levels in Barra de Sao Francisco for September

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

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

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

This table compares monthly weather conditions in Barra de Sao Francisco, 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)	75%	extreme
February Weather	25°C (78°F)	169 mm (6.7 inches)	83%	extreme
March Weather	25°C (78°F)	107 mm (4.2 inches)	87%	extreme
April Weather	24°C (76°F)	53 mm (2.1 inches)	87%	extreme
May Weather	22°C (72°F)	31 mm (1.2 inches)	83%	very high
June Weather	21°C (71°F)	16 mm (0.6 inches)	82%	very high
July Weather	20°C (68°F)	14 mm (0.6 inches)	80%	very high
August Weather	21°C (70°F)	20 mm (0.8 inches)	77%	extreme
September Weather	23°C (73°F)	23 mm (0.9 inches)	71%	extreme
October Weather	24°C (76°F)	88 mm (3.4 inches)	63%	extreme
November Weather	24°C (75°F)	164 mm (6.4 inches)	62%	extreme
December Weather	25°C (76°F)	187 mm (7.4 inches)	66%	extreme