September Weather in Lucas, Brazil

Last updated: August 22, 2025

In Lucas, Brazil, the average temperature in September hovers around 30°C (86°F), with a wide range from a cool 12°C (54°F) to a scorching 42°C (108°F). Expect 22 mm (0.8 in) of precipitation spread over 4 days, and enjoy relatively low average humidity at 37%.

September Temperature in Lucas

In September in Lucas, the average temperature is 30°C (86°F). The maximum can reach 42°C (108°F), and the minimum can be as low as 12°C (54°F). It's essential to pack accordingly for your travels, as you may experience both hot days and cooler evenings.

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

The chart illustrates September temperature patterns in Lucas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lucas, September typically has an average temperature of 30°C (86°F), with highs reaching up to 42°C (108°F) and lows dropping to around 12°C (54°F).

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

September Precipitation in Lucas

In Lucas in September, the total precipitation amount is 22 mm (0.8 in) spread over a duration of 4 days.

September Precipitation Trends in Lucas

The chart displays monthly precipitation patterns in Lucas, 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 Lucas, September typically receives around 22 mm (0.8 inches) of precipitation spread over approximately 4 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 Lucas

In Lucas in September, humidity is 37%. With an average temperature of 30°C (86°F), this humidity feels like a warm, gentle embrace, making travel enjoyable but requiring occasional breaks in the shade to stay refreshed.

September Average Humidity in Lucas

This chart illustrates the average monthly humidity levels in Lucas, 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 Lucas is approximately 37%, 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 Lucas

In Lucas 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 Lucas.

Maximum UV Index Levels in Lucas for September

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

Data source: Lucas 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 Lucas Compares to Other Months

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

This table compares monthly weather conditions in Lucas, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	28°C (82°F)	161 mm (6.3 inches)	88%	extreme
February Weather	28°C (82°F)	220 mm (8.7 inches)	87%	extreme
March Weather	28°C (82°F)	152 mm (6.0 inches)	88%	extreme
April Weather	27°C (82°F)	89 mm (3.5 inches)	87%	extreme
May Weather	25°C (78°F)	36 mm (1.4 inches)	83%	very high
June Weather	25°C (77°F)	3 mm (0.1 inches)	73%	very high
July Weather	24°C (76°F)	1 mm (0.0 inches)	58%	very high
August Weather	27°C (81°F)	11 mm (0.4 inches)	46%	extreme
September Weather	30°C (86°F)	22 mm (0.8 inches)	37%	extreme
October Weather	30°C (85°F)	84 mm (3.3 inches)	36%	extreme
November Weather	28°C (83°F)	208 mm (8.2 inches)	67%	extreme
December Weather	28°C (83°F)	201 mm (7.9 inches)	85%	extreme