September Weather in Valenca do Piaui, Brazil

Last updated: August 22, 2025

In Valenca do Piaui, Brazil, the average temperature during September reaches a warm 30°C (87°F), with minimums dipping to 20°C (68°F) and maximums soaring to 39°C (102°F). Enjoy the dry weather, as there is 0 mm (0.0 in) of precipitation across 0 days, complemented by an average humidity of 51%.

September Temperature in Valenca do Piaui

In September in Valenca do Piaui, the average temperature is 30°C (87°F). Maximums can reach up to 39°C (102°F), while minimums can drop to as low as 20°C (68°F). This makes Valenca do Piaui an ideal destination for travelers seeking warm weather and outdoor adventures.

September Weather in Valenca do Piaui: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Valenca do Piaui, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Valenca do Piaui, September typically has an average temperature of 30°C (87°F), with highs reaching up to 39°C (102°F) and lows dropping to around 20°C (68°F).

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

September Precipitation in Valenca do Piaui

In Valenca do Piaui in September, the precipitation amount is 0 mm (0.0 in) during 0 days.

September Precipitation Trends in Valenca do Piaui

The chart displays monthly precipitation patterns in Valenca do Piaui, 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 Valenca do Piaui, September typically receives around 0 mm (0.0 inches) of precipitation spread over approximately 0 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 Valenca do Piaui

In Valenca do Piaui in September, humidity is 51%. With an average temperature of 30°C (87°F), this humidity feels like you are wrapped in a warm blanket; while exploring, you might find yourself needing to take more breaks and stay hydrated, as the pleasant warmth is accompanied by a slight stickiness that can make outdoor adventures a bit more challenging yet enjoyable.

September Average Humidity in Valenca do Piaui

This chart illustrates the average monthly humidity levels in Valenca do Piaui, 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 Valenca do Piaui is approximately 51%, 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 Valenca do Piaui

In Valenca do Piaui 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 Valenca do Piaui.

Maximum UV Index Levels in Valenca do Piaui for September

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

Data source: Valenca do Piaui 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 Valenca do Piaui Compares to Other Months

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

This table compares monthly weather conditions in Valenca do Piaui, 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)	117 mm (4.6 inches)	90%	extreme
February Weather	26°C (80°F)	227 mm (8.9 inches)	91%	extreme
March Weather	26°C (79°F)	206 mm (8.1 inches)	93%	extreme
April Weather	26°C (80°F)	137 mm (5.4 inches)	92%	extreme
May Weather	27°C (81°F)	20 mm (0.8 inches)	87%	extreme
June Weather	27°C (82°F)	4 mm (0.1 inches)	77%	extreme
July Weather	27°C (82°F)	1 mm (0.1 inches)	66%	extreme
August Weather	29°C (84°F)	0 mm (0.0 inches)	58%	extreme
September Weather	30°C (87°F)	0 mm (0.0 inches)	51%	extreme
October Weather	31°C (88°F)	15 mm (0.6 inches)	45%	extreme
November Weather	30°C (86°F)	45 mm (1.8 inches)	41%	extreme
December Weather	28°C (83°F)	72 mm (2.8 inches)	67%	extreme