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September Weather in Santa Cecilia, Brazil

Last updated: August 22, 2025

In September, the average temperature in Santa Cecilia, Brazil is a pleasant 16°C (62°F). During this time, you can expect minimum temperatures to drop to 3°C (38°F), while highs can reach up to 31°C (88°F). The region experiences an average precipitation of 123 mm (4.8 in) over about 12 days, contributing to an average humidity level of 75%. Whether you're exploring or relaxing, be prepared for a mix of weather!

September Temperature in Santa Cecilia

In September in Santa Cecilia, the average temperature is 16°C (62°F). The maximum can reach 31°C (88°F), and the minimum can be as low as 3°C (38°F). Pack accordingly to enjoy the pleasant days while being prepared for cooler evenings!

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

The chart illustrates September temperature patterns in Santa Cecilia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Cecilia, September typically has an average temperature of 16°C (62°F), with highs reaching up to 31°C (88°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec696867625755545561626467
Data source: Temperature data for Santa Cecilia 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 Cecilia

In Santa Cecilia in September, the precipitation amount is 123 mm (4.8 in) during a period of 12 days.

September Precipitation Trends in Santa Cecilia

The chart displays monthly precipitation patterns in Santa Cecilia, 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 Cecilia, September typically receives around 123 mm (4.8 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec197145133781251215381123181143200
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Santa Cecilia

In Santa Cecilia in September, humidity is 75%. With an average temperature of 16°C (62°F), this humidity feels like a heavy blanket wrapping around you, making traveling feel a bit stifling and sticky, as the air clings to your skin and can sap your energy.

September Average Humidity in Santa Cecilia

This chart illustrates the average monthly humidity levels in Santa Cecilia, 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 Cecilia is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%81%82%84%86%84%77%70%75%76%84%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Santa Cecilia

In Santa Cecilia 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 Santa Cecilia.

Maximum UV Index Levels in Santa Cecilia for September

The chart shows the monthly maximum UV Index (UVI) for Santa Cecilia 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 Cecilia typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15151311766811131515
Data source: Santa Cecilia 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 Cecilia Compares to Other Months

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

This table compares monthly weather conditions in Santa Cecilia, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather20°C (69°F)197 mm (7.8 inches)85%extreme
February Weather20°C (68°F)145 mm (5.7 inches)81%extreme
March Weather19°C (67°F)133 mm (5.2 inches)82%extreme
April Weather17°C (62°F)78 mm (3.1 inches)84%extreme
May Weather14°C (57°F)125 mm (4.9 inches)86%high
June Weather13°C (55°F)121 mm (4.8 inches)84%high
July Weather12°C (54°F)53 mm (2.1 inches)77%high
August Weather13°C (56°F)81 mm (3.2 inches)70%very high
September Weather16°C (62°F)123 mm (4.8 inches)75%extreme
October Weather17°C (62°F)181 mm (7.1 inches)76%extreme
November Weather18°C (64°F)143 mm (5.6 inches)84%extreme
December Weather20°C (67°F)200 mm (7.9 inches)88%extreme

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