September Weather in Guariba, Brazil

Last updated: August 22, 2025

In September, the average temperature in Guariba, Brazil hovers around 25°C (78°F), offering a pleasant climate. However, temperatures can dip as low as 12°C (53°F) at night and soar to a sizzling 38°C (101°F) during the day. Expect a modest precipitation amount of 26 mm (1.0 in) over approximately 3 days, coupled with an average humidity level of 41%. Whether you're exploring or relaxing, this month presents enjoyable weather for all!

September Temperature in Guariba

In September in Guariba, the average temperature is 25°C (78°F). Maximums can reach 38°C (101°F), while minimums can drop to as low as 12°C (53°F). With such a warm climate, it's a great time to explore the outdoors and enjoy leisure activities.

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

The chart illustrates September temperature patterns in Guariba, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Guariba, September typically has an average temperature of 25°C (78°F), with highs reaching up to 38°C (101°F) and lows dropping to around 12°C (53°F).

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

September Precipitation in Guariba

In Guariba in September, the precipitation amount is 26 mm (1.0 in) recorded over the course of 3 days.

September Precipitation Trends in Guariba

The chart displays monthly precipitation patterns in Guariba, 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 Guariba, September typically receives around 26 mm (1.0 inches) of precipitation spread over approximately 3 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 Guariba

In Guariba in September, humidity is 41%. With an average temperature of 25°C (78°F), this humidity feels like a pleasant embrace, making travel enjoyable with only a hint of stickiness in the air.

September Average Humidity in Guariba

This chart illustrates the average monthly humidity levels in Guariba, 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 Guariba is approximately 41%, 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 Guariba

In Guariba 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 Guariba.

Maximum UV Index Levels in Guariba for September

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

Data source: Guariba 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 Guariba Compares to Other Months

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

This table compares monthly weather conditions in Guariba, 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)	178 mm (7.0 inches)	85%	extreme
February Weather	25°C (77°F)	149 mm (5.8 inches)	87%	extreme
March Weather	25°C (77°F)	108 mm (4.3 inches)	86%	extreme
April Weather	23°C (74°F)	60 mm (2.4 inches)	79%	extreme
May Weather	21°C (70°F)	27 mm (1.1 inches)	68%	very high
June Weather	21°C (70°F)	8 mm (0.3 inches)	60%	high
July Weather	20°C (68°F)	11 mm (0.4 inches)	57%	very high
August Weather	22°C (71°F)	22 mm (0.9 inches)	48%	very high
September Weather	25°C (78°F)	26 mm (1.0 inches)	41%	extreme
October Weather	25°C (78°F)	117 mm (4.6 inches)	35%	extreme
November Weather	25°C (77°F)	168 mm (6.6 inches)	65%	extreme
December Weather	25°C (77°F)	191 mm (7.5 inches)	80%	extreme