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September Weather in Santo Augusto, Brazil

Last updated: August 22, 2025

In September, the average temperature in Santo Augusto, Brazil hovers around 19°C (67°F), making it a pleasant time of year. Expect temperatures to range from a cool 6°C (42°F) to a warm 34°C (94°F). During this month, the area experiences approximately 123 mm (4.8 in) of precipitation over 9 days, with an average humidity level of 62%. Enjoy the variety that September brings to Santo Augusto!

September Temperature in Santo Augusto

In September in Santo Augusto, the average temperature is 19°C (67°F), with maximums reaching up to 34°C (94°F) and minimums dipping as low as 6°C (42°F). It's an ideal time to visit for travelers seeking a pleasant mix of warm days and cooler nights.

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

The chart illustrates September temperature patterns in Santo Augusto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santo Augusto, September typically has an average temperature of 19°C (67°F), with highs reaching up to 34°C (94°F) and lows dropping to around 6°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec767473686360586167697375
Data source: Temperature data for Santo Augusto 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 Augusto

In Santo Augusto in September, the precipitation amount is 123 mm (4.8 in) over the course of 9 days.

September Precipitation Trends in Santo Augusto

The chart displays monthly precipitation patterns in Santo Augusto, 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 Augusto, September typically receives around 123 mm (4.8 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec16112012611921215810682123191144104
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Santo Augusto

In Santo Augusto in September humidity is 62%. With an average temperature of 19°C (67°F), this humidity feels like a warm embrace, making it pleasant for traveling, though you might want to stay hydrated and take occasional breaks in the shade to fully enjoy your adventures.

September Average Humidity in Santo Augusto

This chart illustrates the average monthly humidity levels in Santo Augusto, 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 Augusto is approximately 62%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%74%72%78%82%78%73%59%62%65%76%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Santo Augusto

In Santo Augusto in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Santo Augusto.

Maximum UV Index Levels in Santo Augusto for September

The chart shows the monthly maximum UV Index (UVI) for Santo Augusto 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 Augusto typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15141310656710131415
Data source: Santo Augusto 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 Augusto Compares to Other Months

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

This table compares monthly weather conditions in Santo Augusto, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)161 mm (6.3 inches)79%extreme
February Weather24°C (75°F)120 mm (4.7 inches)74%extreme
March Weather23°C (73°F)126 mm (5.0 inches)72%extreme
April Weather20°C (69°F)119 mm (4.7 inches)78%very high
May Weather17°C (63°F)212 mm (8.4 inches)82%high
June Weather15°C (60°F)158 mm (6.2 inches)78%moderate
July Weather15°C (59°F)106 mm (4.2 inches)73%high
August Weather16°C (62°F)82 mm (3.2 inches)58%high
September Weather19°C (67°F)123 mm (4.8 inches)62%very high
October Weather21°C (70°F)191 mm (7.5 inches)65%extreme
November Weather23°C (73°F)144 mm (5.7 inches)76%extreme
December Weather24°C (76°F)104 mm (4.1 inches)85%extreme

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