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September Weather in Otacilio Costa, Brazil

Last updated: August 22, 2025

In September, the average temperature in Otacilio Costa, Brazil hovers around 16°C (61°F). You can expect a minimum temperature of 2°C (35°F) and a peak of 31°C (88°F). With an average precipitation of 128 mm (5.0 in) spread across 15 days, the air tends to be quite humid, averaging 75%. Prepare accordingly for a mix of warm and rainy days!

September Temperature in Otacilio Costa

In September in Otacilio Costa, the average temperature is 16°C (61°F). The maximum can reach 31°C (88°F), and the minimum can be as low as 2°C (35°F). This range of temperatures makes it essential to pack both light clothing for warmer days and layers for cooler evenings while traveling.

September Weather in Otacilio Costa: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Otacilio Costa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Otacilio Costa, September typically has an average temperature of 16°C (61°F), with highs reaching up to 31°C (88°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec706968635855535561636568
Data source: Temperature data for Otacilio Costa 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 Otacilio Costa

In Otacilio Costa in September, the precipitation amount is 128 mm (5.0 in) over the course of 15 days.

September Precipitation Trends in Otacilio Costa

The chart displays monthly precipitation patterns in Otacilio Costa, 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 Otacilio Costa, September typically receives around 128 mm (5.0 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec202156146861381316591128165169180
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Otacilio Costa

In Otacilio Costa in September humidity is 75%. With an average temperature of 16°C (61°F), this humidity feels like a warm, muggy embrace, making traveling somewhat uncomfortable as you may find yourself constantly adjusting your clothing and seeking shade to escape the sticky air.

September Average Humidity in Otacilio Costa

This chart illustrates the average monthly humidity levels in Otacilio Costa, 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 Otacilio Costa 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 Otacilio Costa

In Otacilio Costa 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 Otacilio Costa.

Maximum UV Index Levels in Otacilio Costa for September

The chart shows the monthly maximum UV Index (UVI) for Otacilio Costa 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 Otacilio Costa typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15151310756811131515
Data source: Otacilio Costa 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 Otacilio Costa Compares to Other Months

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

This table compares monthly weather conditions in Otacilio Costa, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather21°C (71°F)202 mm (8.0 inches)85%extreme
February Weather21°C (69°F)155 mm (6.1 inches)81%extreme
March Weather20°C (68°F)146 mm (5.8 inches)82%extreme
April Weather17°C (63°F)86 mm (3.4 inches)84%very high
May Weather14°C (58°F)138 mm (5.4 inches)86%high
June Weather13°C (56°F)131 mm (5.2 inches)84%moderate
July Weather12°C (54°F)65 mm (2.6 inches)77%high
August Weather13°C (56°F)91 mm (3.6 inches)70%very high
September Weather16°C (61°F)128 mm (5.0 inches)75%extreme
October Weather17°C (63°F)165 mm (6.5 inches)76%extreme
November Weather18°C (65°F)169 mm (6.7 inches)84%extreme
December Weather20°C (69°F)180 mm (7.1 inches)88%extreme

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