September Weather in Caucaia, Brazil

Last updated: August 22, 2025

In Caucaia, Brazil, the average temperature in September settles at a warm 27°C (82°F). During this time, you can expect minimum temperatures to dip to around 23°C (74°F), while the mercury may peak at a sizzling 33°C (92°F). With only 3 mm (0.1 in) of precipitation spread across 0 days, conditions are generally dry, complemented by an average humidity level of 74%.

September Temperature in Caucaia

In September in Caucaia, the average temperature is 27°C (82°F). Maximums can reach 33°C (92°F), and minimums can be as low as 23°C (74°F). This pleasant and warm weather makes Caucaia an ideal destination for travelers looking to enjoy outdoor activities.

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

The chart illustrates September temperature patterns in Caucaia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Caucaia, September typically has an average temperature of 27°C (82°F), with highs reaching up to 33°C (92°F) and lows dropping to around 23°C (74°F).

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

September Precipitation in Caucaia

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

September Precipitation Trends in Caucaia

The chart displays monthly precipitation patterns in Caucaia, 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 Caucaia, 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 Caucaia

In Caucaia in September, humidity is 74%. With an average temperature of 27°C (82°F), this humidity makes traveling feel quite sticky and oppressive, making it essential to stay hydrated and seek shade frequently.

September Average Humidity in Caucaia

This chart illustrates the average monthly humidity levels in Caucaia, 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 Caucaia is approximately 74%, 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 Caucaia

In Caucaia 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 Caucaia.

Maximum UV Index Levels in Caucaia for September

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

Data source: Caucaia 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 Caucaia Compares to Other Months

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

This table compares monthly weather conditions in Caucaia, 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 (82°F)	72 mm (2.8 inches)	84%	extreme
February Weather	27°C (81°F)	195 mm (7.7 inches)	85%	extreme
March Weather	27°C (80°F)	193 mm (7.6 inches)	87%	extreme
April Weather	27°C (80°F)	241 mm (9.5 inches)	86%	extreme
May Weather	27°C (80°F)	121 mm (4.8 inches)	85%	extreme
June Weather	27°C (80°F)	52 mm (2.1 inches)	81%	extreme
July Weather	27°C (80°F)	30 mm (1.2 inches)	75%	extreme
August Weather	27°C (81°F)	5 mm (0.2 inches)	74%	extreme
September Weather	27°C (82°F)	3 mm (0.1 inches)	74%	extreme
October Weather	28°C (82°F)	7 mm (0.3 inches)	75%	extreme
November Weather	28°C (83°F)	13 mm (0.5 inches)	77%	extreme
December Weather	28°C (83°F)	41 mm (1.6 inches)	81%	extreme