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September Weather in Santa Terezinha, Brazil

Last updated: August 22, 2025

In Santa Terezinha, Brazil, the average temperature in September is a warm 30°C (87°F). You can expect minimum temperatures around 19°C (66°F) and highs soaring up to 40°C (105°F). With an average humidity of just 33%, conditions remain comfortable, despite the 12 mm (0.5 in) of precipitation typically spread over 2 days during the month. Enjoy the warmth!

September Temperature in Santa Terezinha

In September, in Santa Terezinha, the average temperature is 30°C (87°F). Maximums can reach 40°C (105°F), while minimums can be as low as 19°C (66°F). Be prepared for warm weather and pack accordingly for a comfortable trip!

September Weather in Santa Terezinha: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Santa Terezinha, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Terezinha, September typically has an average temperature of 30°C (87°F), with highs reaching up to 40°C (105°F) and lows dropping to around 19°C (66°F).
JanFebMarAprMayJunJulAugSepOctNovDec807980818181818487848080
Data source: Temperature data for Santa Terezinha 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 Santa Terezinha

In Santa Terezinha in September, the precipitation amount is 12 mm (0.5 in) over the course of 2 days.

September Precipitation Trends in Santa Terezinha

The chart displays monthly precipitation patterns in Santa Terezinha, 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 Santa Terezinha, September typically receives around 12 mm (0.5 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec197294275184260031283233275
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Santa Terezinha

In Santa Terezinha in September, humidity is 33%. With an average temperature of 30°C (87°F), this humidity feels like a warm, comfortable embrace, making it ideal for traveling and exploring the sights without feeling overwhelmed by the heat.

September Average Humidity in Santa Terezinha

This chart illustrates the average monthly humidity levels in Santa Terezinha, 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 Santa Terezinha is approximately 33%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%89%90%88%80%65%53%43%33%27%50%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Santa Terezinha

In Santa Terezinha 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 Santa Terezinha.

Maximum UV Index Levels in Santa Terezinha for September

The chart shows the monthly maximum UV Index (UVI) for Santa Terezinha 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 Santa Terezinha typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151515131210101112141515
Data source: Santa Terezinha 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 Santa Terezinha Compares to Other Months

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

This table compares monthly weather conditions in Santa Terezinha, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (80°F)197 mm (7.7 inches)89%extreme
February Weather26°C (79°F)294 mm (11.6 inches)89%extreme
March Weather26°C (80°F)275 mm (10.8 inches)90%extreme
April Weather27°C (81°F)184 mm (7.2 inches)88%extreme
May Weather27°C (82°F)26 mm (1.0 inches)80%extreme
June Weather27°C (81°F)0 mm (0.0 inches)65%very high
July Weather27°C (81°F)0 mm (0.0 inches)53%very high
August Weather29°C (84°F)3 mm (0.1 inches)43%extreme
September Weather30°C (87°F)12 mm (0.5 inches)33%extreme
October Weather29°C (84°F)83 mm (3.3 inches)27%extreme
November Weather27°C (81°F)233 mm (9.2 inches)50%extreme
December Weather27°C (80°F)275 mm (10.8 inches)80%extreme

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