September Weather in Casimiro de Abreu, Brazil

Last updated: August 22, 2025

In Casimiro de Abreu, Brazil, the average temperature in September hovers around 21°C (71°F). Expect a range from a crisp minimum of 11°C (53°F) to a toasty maximum of 34°C (94°F). With an average precipitation of 83 mm (3.3 in) spread over 10 days, you might want to keep an umbrella handy. The atmosphere is often humid, with an average humidity level of 75%. Enjoy your visit!

September Temperature in Casimiro de Abreu

In September in Casimiro de Abreu, the average temperature is 21°C (71°F). Maximums can reach 34°C (94°F), while minimums can drop as low as 11°C (53°F). It's a great time to visit for those who enjoy mild weather with the option for warm afternoons and cooler evenings.

September Weather in Casimiro de Abreu: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Casimiro de Abreu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Casimiro de Abreu, September typically has an average temperature of 21°C (71°F), with highs reaching up to 34°C (94°F) and lows dropping to around 11°C (53°F).
JanFebMarAprMayJunJulAugSepOctNovDec777676726968666671727275
Data source: Temperature data for Casimiro de Abreu 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 Casimiro de Abreu

In Casimiro de Abreu in September, the total precipitation amount is 83 mm (3.3 in) over a span of 10 days.

September Precipitation Trends in Casimiro de Abreu

The chart displays monthly precipitation patterns in Casimiro de Abreu, 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 Casimiro de Abreu, September typically receives around 83 mm (3.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec1952932391147543276983161296316
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Casimiro de Abreu

In Casimiro de Abreu in September, humidity is 75%. With an average temperature of 21°C (71°F), this humidity feels like a warm blanket wrapping around you, making travel slightly uncomfortable but offering a lush, vibrant atmosphere that invites exploration at a leisurely pace.

September Average Humidity in Casimiro de Abreu

This chart illustrates the average monthly humidity levels in Casimiro de Abreu, 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 Casimiro de Abreu is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%86%84%82%80%78%77%75%76%74%79%81%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Casimiro de Abreu

In Casimiro de Abreu 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 Casimiro de Abreu.

Maximum UV Index Levels in Casimiro de Abreu for September

The chart shows the monthly maximum UV Index (UVI) for Casimiro de Abreu 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 Casimiro de Abreu typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec16151311867912131416
Data source: Casimiro de Abreu 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 Casimiro de Abreu Compares to Other Months

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

This table compares monthly weather conditions in Casimiro de Abreu, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (78°F)195 mm (7.7 inches)85%extreme
February Weather24°C (76°F)293 mm (11.5 inches)86%extreme
March Weather24°C (76°F)239 mm (9.4 inches)84%extreme
April Weather22°C (73°F)114 mm (4.5 inches)82%extreme
May Weather20°C (69°F)75 mm (2.9 inches)80%very high
June Weather20°C (68°F)43 mm (1.7 inches)78%high
July Weather19°C (66°F)27 mm (1.1 inches)77%high
August Weather19°C (67°F)69 mm (2.7 inches)75%very high
September Weather21°C (71°F)83 mm (3.3 inches)75%extreme
October Weather22°C (72°F)161 mm (6.3 inches)74%extreme
November Weather22°C (72°F)296 mm (11.7 inches)79%extreme
December Weather24°C (75°F)316 mm (12.4 inches)81%extreme

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