September Weather in Joacaba, Brazil

Last updated: August 22, 2025

In September, the average temperature in Joacaba, Brazil is a comfortable 19°C (66°F). However, be prepared for variations, as temperatures can drop to a chilly 5°C (41°F) or soar as high as 33°C (92°F). Expect 115 mm (4.5 in) of precipitation spread over about 10 days, contributing to an average humidity of 75%.

September Temperature in Joacaba

In September in Joacaba, the average temperature is 19°C (66°F). The maximum can reach 33°C (92°F), while the minimum can drop as low as 5°C (41°F). This makes it a perfect time for travelers to enjoy a variety of outdoor activities, so be sure to pack accordingly!

September Weather in Joacaba: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Joacaba, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Joacaba, September typically has an average temperature of 19°C (66°F), with highs reaching up to 33°C (92°F) and lows dropping to around 5°C (41°F).

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

September Precipitation in Joacaba

In Joacaba in September, the precipitation amount is 115 mm (4.5 in) over a span of 10 days.

September Precipitation Trends in Joacaba

The chart displays monthly precipitation patterns in Joacaba, 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 Joacaba, September typically receives around 115 mm (4.5 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 Joacaba

In Joacaba in September humidity is 75%. With an average temperature of 19°C (66°F), this humidity feels like a warm, enveloping blanket, making it slightly uncomfortable for traveling as you navigate through the thick, muggy air.

September Average Humidity in Joacaba

This chart illustrates the average monthly humidity levels in Joacaba, 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 Joacaba is approximately 75%, 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 Joacaba

In Joacaba in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Joacaba.

Maximum UV Index Levels in Joacaba for September

The chart shows the monthly maximum UV Index (UVI) for Joacaba 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 Joacaba typically reaches 11, which falls under the extreme exposure category.

Data source: Joacaba 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 Joacaba Compares to Other Months

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

This table compares monthly weather conditions in Joacaba, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	23°C (73°F)	161 mm (6.3 inches)	85%	extreme
February Weather	22°C (72°F)	120 mm (4.7 inches)	81%	extreme
March Weather	21°C (70°F)	122 mm (4.8 inches)	82%	extreme
April Weather	18°C (65°F)	63 mm (2.5 inches)	84%	very high
May Weather	16°C (60°F)	154 mm (6.1 inches)	86%	high
June Weather	14°C (58°F)	134 mm (5.3 inches)	84%	moderate
July Weather	14°C (57°F)	59 mm (2.3 inches)	77%	high
August Weather	15°C (59°F)	74 mm (2.9 inches)	70%	very high
September Weather	19°C (66°F)	115 mm (4.5 inches)	75%	extreme
October Weather	19°C (67°F)	174 mm (6.8 inches)	76%	extreme
November Weather	20°C (69°F)	140 mm (5.5 inches)	84%	extreme
December Weather	22°C (72°F)	128 mm (5.0 inches)	88%	extreme