September Weather in Guaiuba, Brazil

Last updated: August 22, 2025

In Guaiuba, Brazil, the average temperature in September reaches a warm 27°C (81°F), perfect for outdoor activities. You'll experience a pleasant minimum of 21°C (71°F) and a maximum of 35°C (95°F), ensuring a comfortable climate. With only 3 mm (0.1 in) of precipitation over 0 days, you can expect mostly dry conditions, complemented by an average humidity of 56%. Plan your adventures accordingly!

September Temperature in Guaiuba

In September in Guaiuba, the average temperature is 27°C (81°F). Maximums can reach 35°C (95°F), and minimums can be as low as 21°C (71°F). Overall, it's a great time for travelers to enjoy warm weather and explore outdoor activities.

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

The chart illustrates September temperature patterns in Guaiuba, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Guaiuba, September typically has an average temperature of 27°C (81°F), with highs reaching up to 35°C (95°F) and lows dropping to around 21°C (71°F).

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

September Precipitation in Guaiuba

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

September Precipitation Trends in Guaiuba

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

In Guaiuba in September humidity is 56%. With an average temperature of 27°C (81°F), this humidity feels like a warm blanket enveloping you, making outdoor travel a bit sweaty but still enjoyable, as the mild heat encourages you to explore the local sights and soak up the vibrant atmosphere.

September Average Humidity in Guaiuba

This chart illustrates the average monthly humidity levels in Guaiuba, 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 Guaiuba is approximately 56%, 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 Guaiuba

In Guaiuba 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 Guaiuba.

Maximum UV Index Levels in Guaiuba for September

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

Data source: Guaiuba 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 Guaiuba Compares to Other Months

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

This table compares monthly weather conditions in Guaiuba, 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)	90 mm (3.5 inches)	89%	extreme
February Weather	26°C (80°F)	197 mm (7.8 inches)	90%	extreme
March Weather	26°C (79°F)	219 mm (8.6 inches)	92%	extreme
April Weather	26°C (79°F)	231 mm (9.1 inches)	91%	extreme
May Weather	26°C (79°F)	120 mm (4.7 inches)	88%	extreme
June Weather	26°C (79°F)	46 mm (1.8 inches)	78%	extreme
July Weather	26°C (79°F)	37 mm (1.5 inches)	66%	extreme
August Weather	27°C (81°F)	4 mm (0.2 inches)	60%	extreme
September Weather	27°C (81°F)	3 mm (0.1 inches)	56%	extreme
October Weather	27°C (82°F)	9 mm (0.4 inches)	54%	extreme
November Weather	28°C (82°F)	15 mm (0.6 inches)	56%	extreme
December Weather	28°C (82°F)	46 mm (1.8 inches)	69%	extreme