September Weather in Osorio, Brazil

Last updated: August 22, 2025

In September, the average temperature in Osorio, Brazil is a pleasant 18°C (64°F). Temperatures can vary, with a minimum of 7°C (46°F) and soaring up to a maximum of 30°C (86°F). Expect to experience about 160 mm (6.3 in) of precipitation over 12 days, contributing to an average humidity level of 84%. Enjoy the seasonal nuances this month has to offer!

September Temperature in Osorio

In September in Osorio, the average temperature is 18°C (64°F). The maximum can reach 30°C (86°F), while the minimum can drop to as low as 7°C (46°F). This makes it a great time for travelers to enjoy mild weather and diverse outdoor activities.

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

The chart illustrates September temperature patterns in Osorio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Osorio, September typically has an average temperature of 18°C (64°F), with highs reaching up to 30°C (86°F) and lows dropping to around 7°C (46°F).

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

September Precipitation in Osorio

In Osorio in September, the precipitation amount is 160 mm (6.3 in) over a span of 12 days.

September Precipitation Trends in Osorio

The chart displays monthly precipitation patterns in Osorio, 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 Osorio, September typically receives around 160 mm (6.3 inches) of precipitation spread over approximately 12 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 Osorio

In Osorio in September humidity is 84%. With an average temperature of 18°C (64°F), this humidity feels like there's a heavy blanket wrapping around you, making travel feel a bit sticky and muggy, potentially leading to fatigue if you're not prepared.

September Average Humidity in Osorio

This chart illustrates the average monthly humidity levels in Osorio, 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 Osorio is approximately 84%, 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 Osorio

In Osorio in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Osorio.

Maximum UV Index Levels in Osorio for September

The chart shows the monthly maximum UV Index (UVI) for Osorio 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 Osorio typically reaches 9, which falls under the very high exposure category.

Data source: Osorio 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 Osorio Compares to Other Months

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

This table compares monthly weather conditions in Osorio, 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)	95 mm (3.8 inches)	77%	extreme
February Weather	24°C (76°F)	95 mm (3.7 inches)	79%	extreme
March Weather	23°C (74°F)	98 mm (3.9 inches)	79%	extreme
April Weather	21°C (71°F)	76 mm (3.0 inches)	82%	very high
May Weather	18°C (65°F)	144 mm (5.7 inches)	87%	high
June Weather	16°C (61°F)	94 mm (3.7 inches)	85%	moderate
July Weather	15°C (59°F)	110 mm (4.3 inches)	82%	moderate
August Weather	16°C (61°F)	64 mm (2.5 inches)	81%	high
September Weather	18°C (64°F)	160 mm (6.3 inches)	84%	very high
October Weather	19°C (67°F)	124 mm (4.9 inches)	85%	extreme
November Weather	21°C (70°F)	113 mm (4.5 inches)	82%	extreme
December Weather	23°C (73°F)	74 mm (2.9 inches)	84%	extreme