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September Weather in Santo Anastacio, Brazil

Last updated: August 22, 2025

In September, the average temperature in Santo Anastacio, Brazil is a warm 27°C (81°F). However, be prepared for a range, as temperatures can dip to a chilly 13°C (55°F) or soar up to a scorching 41°C (107°F). With an average humidity of just 33% and precipitation totaling 28 mm (1.1 in) over 4 days, it’s a month that balances warmth with occasional showers.

September Temperature in Santo Anastacio

In September in Santo Anastacio, the average temperature is 27°C (81°F). Maximums can reach 41°C (107°F), while minimums can drop to as low as 13°C (55°F). Pack light, breathable clothing for warm days, but also bring a light jacket for cooler evenings.

September Weather in Santo Anastacio: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Santo Anastacio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santo Anastacio, September typically has an average temperature of 27°C (81°F), with highs reaching up to 41°C (107°F) and lows dropping to around 13°C (55°F).
JanFebMarAprMayJunJulAugSepOctNovDec808080777271717381798080
Data source: Temperature data for Santo Anastacio 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 Santo Anastacio

In Santo Anastacio in September, the precipitation amount is 28 mm (1.1 in) over the course of 4 days.

September Precipitation Trends in Santo Anastacio

The chart displays monthly precipitation patterns in Santo Anastacio, 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 Santo Anastacio, September typically receives around 28 mm (1.1 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec138139865549316372812298156
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Santo Anastacio

In Santo Anastacio in September humidity is 33%. With an average temperature of 27°C (81°F), this humidity feels like a comfortable breeze on a warm day, making it quite pleasant for traveling and exploring the surroundings.

September Average Humidity in Santo Anastacio

This chart illustrates the average monthly humidity levels in Santo Anastacio, 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 Santo Anastacio is approximately 33%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%85%85%76%60%48%44%38%33%31%62%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Santo Anastacio

In Santo Anastacio 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 Santo Anastacio.

Maximum UV Index Levels in Santo Anastacio for September

The chart shows the monthly maximum UV Index (UVI) for Santo Anastacio 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 Santo Anastacio typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151513118781011141416
Data source: Santo Anastacio 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 Santo Anastacio Compares to Other Months

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

This table compares monthly weather conditions in Santo Anastacio, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (80°F)138 mm (5.4 inches)84%extreme
February Weather27°C (80°F)139 mm (5.5 inches)85%extreme
March Weather27°C (80°F)86 mm (3.4 inches)84%extreme
April Weather25°C (77°F)55 mm (2.1 inches)76%extreme
May Weather22°C (73°F)49 mm (1.9 inches)60%very high
June Weather22°C (72°F)30 mm (1.2 inches)48%high
July Weather21°C (71°F)6 mm (0.2 inches)44%very high
August Weather23°C (73°F)37 mm (1.4 inches)38%very high
September Weather27°C (81°F)28 mm (1.1 inches)33%extreme
October Weather26°C (80°F)122 mm (4.8 inches)31%extreme
November Weather27°C (80°F)98 mm (3.9 inches)62%extreme
December Weather27°C (80°F)156 mm (6.2 inches)82%extreme

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