September Weather in Caxias, Brazil

Last updated: August 22, 2025

In Caxias, Brazil, the average temperature in September is a warm 30°C (86°F). The temperature can dip as low as 20°C (69°F), while soaring up to a sizzling 39°C (102°F). Expect minimal rainfall, with only 4 mm (0.1 in) of precipitation over 0 days, and enjoy the comforting 36% humidity that accompanies this balmy month.

September Temperature in Caxias

In September in Caxias, the average temperature is 30°C (86°F). Maximum can reach 39°C (102°F) and minimum can be as low as 20°C (69°F). This makes Caxias an ideal destination for travelers seeking warm weather and plenty of sunshine.

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

The chart illustrates September temperature patterns in Caxias, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Caxias, September typically has an average temperature of 30°C (86°F), with highs reaching up to 39°C (102°F) and lows dropping to around 20°C (69°F).

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

September Precipitation in Caxias

In Caxias in September, the precipitation amount is 4 mm (0.1 in) recorded over a span of 0 days.

September Precipitation Trends in Caxias

The chart displays monthly precipitation patterns in Caxias, 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 Caxias, September typically receives around 4 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 Caxias

In Caxias in September humidity is 36%. With an average temperature of 30°C (86°F), this humidity feels like a warm and comfortable embrace, making it enjoyable for exploring the local sights and indulging in outdoor activities.

September Average Humidity in Caxias

This chart illustrates the average monthly humidity levels in Caxias, 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 Caxias is approximately 36%, 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 Caxias

In Caxias in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Caxias.

Maximum UV Index Levels in Caxias for September

The chart shows the monthly maximum UV Index (UVI) for Caxias 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 Caxias typically reaches 13, which falls under the extreme exposure category.

Data source: Caxias 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 Caxias Compares to Other Months

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

This table compares monthly weather conditions in Caxias, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (81°F)	209 mm (8.2 inches)	90%	extreme
February Weather	27°C (80°F)	301 mm (11.9 inches)	91%	extreme
March Weather	26°C (80°F)	360 mm (14.2 inches)	92%	extreme
April Weather	27°C (80°F)	295 mm (11.6 inches)	93%	extreme
May Weather	27°C (81°F)	86 mm (3.4 inches)	88%	extreme
June Weather	28°C (82°F)	16 mm (0.6 inches)	75%	extreme
July Weather	28°C (82°F)	12 mm (0.5 inches)	52%	extreme
August Weather	29°C (84°F)	5 mm (0.2 inches)	42%	extreme
September Weather	30°C (86°F)	4 mm (0.1 inches)	36%	extreme
October Weather	30°C (87°F)	14 mm (0.5 inches)	35%	extreme
November Weather	29°C (85°F)	67 mm (2.6 inches)	43%	extreme
December Weather	28°C (83°F)	110 mm (4.3 inches)	76%	extreme