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September Weather in Sao Simao, Brazil

Last updated: August 22, 2025

The average temperature in Sao Simao, Brazil during September is a pleasant 25°C (77°F). Expect to experience a range from a cool 10°C (51°F) to a warm 37°C (100°F). This month also brings about 29 mm (1.1 in) of precipitation over roughly 3 days, accompanied by an average humidity of 41%. Perfect weather for exploring the great outdoors!

September Temperature in Sao Simao

In September in Sao Simao, the average temperature is 25°C (77°F). Maximums can reach 37°C (100°F), while minimums can drop to as low as 10°C (51°F). This diverse temperature range makes Sao Simao an ideal destination for travelers seeking both warm days and cooler evenings.

September Weather in Sao Simao: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Sao Simao, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sao Simao, September typically has an average temperature of 25°C (77°F), with highs reaching up to 37°C (100°F) and lows dropping to around 10°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec777777736968666976777677
Data source: Temperature data for Sao Simao generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Sao Simao

In Sao Simao in September, the precipitation amount is 29 mm (1.1 in) over the course of 3 days.

September Precipitation Trends in Sao Simao

The chart displays monthly precipitation patterns in Sao Simao, 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 Sao Simao, September typically receives around 29 mm (1.1 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec17615011759291292229113150166
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sao Simao

In Sao Simao in September humidity is 41%. With an average temperature of 25°C (77°F), this humidity feels like a pleasant embrace, making it comfortable for traveling and exploring the area without feeling overly sticky or weighed down.

September Average Humidity in Sao Simao

This chart illustrates the average monthly humidity levels in Sao Simao, 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 Sao Simao is approximately 41%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%87%86%79%68%60%57%48%41%35%65%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sao Simao

In Sao Simao in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Sao Simao.

Maximum UV Index Levels in Sao Simao for September

The chart shows the monthly maximum UV Index (UVI) for Sao Simao 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 Sao Simao typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151613118781011131416
Data source: Sao Simao 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 Sao Simao Compares to Other Months

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

This table compares monthly weather conditions in Sao Simao, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)176 mm (6.9 inches)85%extreme
February Weather25°C (77°F)150 mm (5.9 inches)87%extreme
March Weather25°C (77°F)117 mm (4.6 inches)86%extreme
April Weather23°C (74°F)59 mm (2.3 inches)79%extreme
May Weather20°C (69°F)29 mm (1.1 inches)68%very high
June Weather20°C (68°F)12 mm (0.5 inches)60%high
July Weather19°C (66°F)9 mm (0.3 inches)57%very high
August Weather21°C (70°F)22 mm (0.9 inches)48%very high
September Weather25°C (77°F)29 mm (1.1 inches)41%extreme
October Weather25°C (77°F)113 mm (4.4 inches)35%extreme
November Weather24°C (76°F)150 mm (5.9 inches)65%extreme
December Weather25°C (77°F)165 mm (6.5 inches)80%extreme

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