September Weather in Jacarezinho, Brazil

Last updated: August 22, 2025

In September, the average temperature in Jacarezinho, Brazil sits at a comfortable 23°C (74°F). However, be prepared for temperature fluctuations, as it can dip to a cool 11°C (52°F) or soar to a sweltering 37°C (100°F). With an average humidity of 47%, you'll find the climate fairly pleasant, although don't forget your umbrella, as rainfall totals around 33 mm (1.3 in) over the course of about 5 days.

September Temperature in Jacarezinho

In September in Jacarezinho, the average temperature is 23°C (74°F), with maximums reaching up to 37°C (100°F) and minimums dropping as low as 11°C (52°F). Travelers should prepare for warm days and cooler nights.

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

The chart illustrates September temperature patterns in Jacarezinho, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jacarezinho, September typically has an average temperature of 23°C (74°F), with highs reaching up to 37°C (100°F) and lows dropping to around 11°C (52°F).

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

September Precipitation in Jacarezinho

In Jacarezinho in September, the precipitation amount is 33 mm (1.3 in) over the course of 5 days.

September Precipitation Trends in Jacarezinho

The chart displays monthly precipitation patterns in Jacarezinho, 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 Jacarezinho, September typically receives around 33 mm (1.3 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 Jacarezinho

In Jacarezinho in September, humidity is 47%. With an average temperature of 23°C (74°F), this humidity feels like a pleasantly refreshing embrace that enhances the warmth, making it comfortable for traveling and exploring the sights.

September Average Humidity in Jacarezinho

This chart illustrates the average monthly humidity levels in Jacarezinho, 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 Jacarezinho is approximately 47%, 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 Jacarezinho

In Jacarezinho 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 Jacarezinho.

Maximum UV Index Levels in Jacarezinho for September

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

Data source: Jacarezinho 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 Jacarezinho Compares to Other Months

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

This table compares monthly weather conditions in Jacarezinho, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (77°F)	176 mm (6.9 inches)	84%	extreme
February Weather	25°C (77°F)	139 mm (5.5 inches)	81%	extreme
March Weather	25°C (77°F)	91 mm (3.6 inches)	81%	extreme
April Weather	23°C (73°F)	42 mm (1.7 inches)	75%	extreme
May Weather	20°C (69°F)	56 mm (2.2 inches)	68%	very high
June Weather	19°C (67°F)	51 mm (2.0 inches)	64%	high
July Weather	19°C (66°F)	22 mm (0.9 inches)	58%	high
August Weather	20°C (67°F)	69 mm (2.7 inches)	49%	very high
September Weather	23°C (74°F)	33 mm (1.3 inches)	47%	extreme
October Weather	23°C (74°F)	120 mm (4.7 inches)	44%	extreme
November Weather	24°C (75°F)	92 mm (3.6 inches)	68%	extreme
December Weather	25°C (77°F)	125 mm (4.9 inches)	82%	extreme