September Weather in Olimpia, Brazil

Last updated: August 22, 2025

In Olimpia, Brazil, the average temperature in September hovers around 26°C (80°F), offering a pleasant climate. Expect a minimum of 11°C (53°F) and a maximum reach of 40°C (105°F), showcasing the range of temperatures you may experience. With an average precipitation of 23 mm (0.9 in) over just 2 days, and a comfortable average humidity of 41%, it's an ideal time to explore the area while enjoying the mild weather.

September Temperature in Olimpia

In September in Olimpia, the average temperature is 26°C (80°F), with maximums reaching up to 40°C (105°F) and minimums dropping as low as 11°C (53°F). This wide temperature range makes it essential for travelers to pack both light clothing for the daytime heat and warmer layers for cooler evenings.

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

The chart illustrates September temperature patterns in Olimpia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Olimpia, September typically has an average temperature of 26°C (80°F), with highs reaching up to 40°C (105°F) and lows dropping to around 11°C (53°F).

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

September Precipitation in Olimpia

In Olimpia in September, the precipitation amount is 23 mm (0.9 in) over a span of 2 days.

September Precipitation Trends in Olimpia

The chart displays monthly precipitation patterns in Olimpia, 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 Olimpia, September typically receives around 23 mm (0.9 inches) of precipitation spread over approximately 2 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 Olimpia

In Olimpia in September, humidity is 41%. With an average temperature of 26°C (80°F), this humidity feels like a warm embrace, making it comfortable for exploring outdoor attractions and enjoying leisurely strolls without feeling overly sticky or sweaty.

September Average Humidity in Olimpia

This chart illustrates the average monthly humidity levels in Olimpia, 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 Olimpia 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 Olimpia

In Olimpia 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 Olimpia.

Maximum UV Index Levels in Olimpia for September

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

Data source: Olimpia 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 Olimpia Compares to Other Months

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

This table compares monthly weather conditions in Olimpia, 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 (78°F)	140 mm (5.5 inches)	85%	extreme
February Weather	26°C (78°F)	145 mm (5.7 inches)	87%	extreme
March Weather	26°C (79°F)	95 mm (3.7 inches)	86%	extreme
April Weather	25°C (77°F)	51 mm (2.0 inches)	79%	extreme
May Weather	22°C (72°F)	29 mm (1.1 inches)	68%	very high
June Weather	22°C (72°F)	4 mm (0.2 inches)	60%	high
July Weather	21°C (70°F)	8 mm (0.3 inches)	57%	very high
August Weather	23°C (73°F)	20 mm (0.8 inches)	48%	very high
September Weather	26°C (80°F)	23 mm (0.9 inches)	41%	extreme
October Weather	26°C (80°F)	86 mm (3.4 inches)	35%	extreme
November Weather	26°C (78°F)	150 mm (5.9 inches)	65%	extreme
December Weather	26°C (78°F)	153 mm (6.0 inches)	80%	extreme