September Weather in Cajueiro, Brazil

Last updated: August 22, 2025

In September, the average temperature in Cajueiro, Brazil is a pleasant 24°C (75°F). Expect a range from a cool 17°C (62°F) to a warm 33°C (91°F). With an average humidity of 79%, prepare for a bit of stickiness as you navigate through 52 mm (2.0 in) of precipitation spread over 17 days. Whether you're exploring or relaxing, the climate offers a unique backdrop for your adventures!

September Temperature in Cajueiro

In September in Cajueiro, the average temperature is 24°C (75°F). Maximum temperatures can reach 33°C (91°F), while minimums can drop to as low as 17°C (62°F). This pleasant climate makes Cajueiro an attractive destination for travelers looking to enjoy mild weather and outdoor activities.

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

The chart illustrates September temperature patterns in Cajueiro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cajueiro, September typically has an average temperature of 24°C (75°F), with highs reaching up to 33°C (91°F) and lows dropping to around 17°C (62°F).

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

September Precipitation in Cajueiro

In Cajueiro in September, the precipitation amount is 52 mm (2.0 in) over the course of 17 days.

September Precipitation Trends in Cajueiro

The chart displays monthly precipitation patterns in Cajueiro, 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 Cajueiro, September typically receives around 52 mm (2.0 inches) of precipitation spread over approximately 17 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Cajueiro

In Cajueiro in September, humidity is 79%. With an average temperature of 24°C (75°F), this humidity feels like a warm, tropical embrace, making traveling quite sticky and requiring ample hydration and light clothing to keep comfortable while exploring.

September Average Humidity in Cajueiro

This chart illustrates the average monthly humidity levels in Cajueiro, 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 Cajueiro is approximately 79%, 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 Cajueiro

In Cajueiro 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 Cajueiro.

Maximum UV Index Levels in Cajueiro for September

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

Data source: Cajueiro 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 Cajueiro Compares to Other Months

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

This table compares monthly weather conditions in Cajueiro, 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 (80°F)	34 mm (1.3 inches)	84%	extreme
February Weather	27°C (81°F)	44 mm (1.7 inches)	87%	extreme
March Weather	27°C (81°F)	92 mm (3.6 inches)	88%	extreme
April Weather	26°C (79°F)	101 mm (4.0 inches)	89%	extreme
May Weather	25°C (77°F)	102 mm (4.0 inches)	90%	extreme
June Weather	24°C (75°F)	102 mm (4.0 inches)	89%	extreme
July Weather	23°C (73°F)	111 mm (4.4 inches)	86%	very high
August Weather	23°C (73°F)	61 mm (2.4 inches)	84%	extreme
September Weather	24°C (75°F)	52 mm (2.0 inches)	79%	extreme
October Weather	25°C (78°F)	25 mm (1.0 inches)	74%	extreme
November Weather	26°C (80°F)	27 mm (1.1 inches)	71%	extreme
December Weather	27°C (80°F)	27 mm (1.0 inches)	72%	extreme