September Weather in Assis, Brazil

Last updated: August 22, 2025

In Assis, Brazil, the average temperature in September hovers around 25°C (77°F), offering a pleasant climate for various activities. However, be prepared for a minimum temperature of 12°C (53°F) and the potential for a maximum of 39°C (102°F) on warmer days. Expect about 39 mm (1.5 in) of precipitation spread over 4 days, with an average humidity level of 47%. Enjoy the vibrant atmosphere and weather of this unique location!

September Temperature in Assis

In September in Assis, the average temperature is 25°C (77°F). Maximum temperatures can reach up to 39°C (102°F), while minimum temperatures can drop as low as 12°C (53°F). This makes it an ideal time for travelers to enjoy both warm days and cool evenings.

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

The chart illustrates September temperature patterns in Assis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Assis, September typically has an average temperature of 25°C (77°F), with highs reaching up to 39°C (102°F) and lows dropping to around 12°C (53°F).

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

September Precipitation in Assis

In Assis in September, the precipitation amount is 39 mm (1.5 in) spread over a period of 4 days.

September Precipitation Trends in Assis

The chart displays monthly precipitation patterns in Assis, 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 Assis, September typically receives around 39 mm (1.5 inches) of precipitation spread over approximately 4 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 Assis

In Assis in September humidity is 47%. With an average temperature of 25°C (77°F), this humidity feels like a comfortable embrace, making it pleasant for exploring and traveling.

September Average Humidity in Assis

This chart illustrates the average monthly humidity levels in Assis, 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 Assis is approximately 47%, 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 Assis

In Assis 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 Assis.

Maximum UV Index Levels in Assis for September

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

Data source: Assis 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 Assis Compares to Other Months

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

This table compares monthly weather conditions in Assis, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (79°F)	183 mm (7.2 inches)	84%	extreme
February Weather	26°C (78°F)	145 mm (5.7 inches)	81%	extreme
March Weather	26°C (78°F)	103 mm (4.0 inches)	81%	extreme
April Weather	24°C (75°F)	40 mm (1.6 inches)	75%	extreme
May Weather	21°C (70°F)	50 mm (2.0 inches)	68%	very high
June Weather	20°C (69°F)	51 mm (2.0 inches)	64%	high
July Weather	20°C (68°F)	12 mm (0.5 inches)	58%	high
August Weather	21°C (70°F)	61 mm (2.4 inches)	49%	very high
September Weather	25°C (77°F)	39 mm (1.5 inches)	47%	extreme
October Weather	25°C (77°F)	120 mm (4.7 inches)	44%	extreme
November Weather	25°C (78°F)	92 mm (3.6 inches)	68%	extreme
December Weather	26°C (79°F)	132 mm (5.2 inches)	82%	extreme