September Weather in Caetes, Brazil

Last updated: August 22, 2025

In September, the average temperature in Caetes, Brazil is a pleasant 21°C (71°F). While the temperatures can swing from a minimum of 15°C (59°F) to a maximum of 33°C (91°F), this climate is complemented by an average humidity level of 79%. Expect about 26 mm (1.0 in) of precipitation spread over 10 days, making it a month of varied weather to enjoy!

September Temperature in Caetes

In September in Caetes, the average temperature is 21°C (71°F). The maximum can reach 33°C (91°F), while the minimum can be as low as 15°C (59°F). This pleasant climate makes it an ideal time for travelers to explore the outdoors and enjoy various activities.

September Weather in Caetes: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Caetes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Caetes, September typically has an average temperature of 21°C (71°F), with highs reaching up to 33°C (91°F) and lows dropping to around 15°C (59°F).
JanFebMarAprMayJunJulAugSepOctNovDec757675747270686970737575
Data source: Temperature data for Caetes 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 Caetes

In Caetes in September, the precipitation amount is 26 mm (1.0 in) spread over 10 days.

September Precipitation Trends in Caetes

The chart displays monthly precipitation patterns in Caetes, 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 Caetes, September typically receives around 26 mm (1.0 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec314987866847573327161818
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Caetes

In Caetes in September humidity is 79%. With an average temperature of 21°C (71°F), this humidity feels like a warm, sticky embrace that can make outdoor activities feel laborious and exhausting. Travelers should be prepared to hydrate frequently and take breaks in shaded areas to fully enjoy their time exploring.

September Average Humidity in Caetes

This chart illustrates the average monthly humidity levels in Caetes, 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 Caetes is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%87%88%89%90%89%86%84%79%74%71%72%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Caetes

In Caetes in September, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Caetes, you can check here.

Maximum UV Index Levels in Caetes for September

The chart shows the monthly maximum UV Index (UVI) for Caetes 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 Caetes typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151415141211111214141515
Data source: Caetes 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 Caetes Compares to Other Months

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

This table compares monthly weather conditions in Caetes, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (75°F)31 mm (1.2 inches)84%extreme
February Weather24°C (76°F)49 mm (1.9 inches)87%extreme
March Weather24°C (75°F)87 mm (3.4 inches)88%extreme
April Weather23°C (74°F)86 mm (3.4 inches)89%extreme
May Weather22°C (72°F)68 mm (2.7 inches)90%extreme
June Weather21°C (70°F)47 mm (1.8 inches)89%extreme
July Weather20°C (68°F)57 mm (2.2 inches)86%extreme
August Weather20°C (69°F)33 mm (1.3 inches)84%extreme
September Weather21°C (71°F)26 mm (1.0 inches)79%extreme
October Weather23°C (74°F)16 mm (0.6 inches)74%extreme
November Weather24°C (75°F)18 mm (0.7 inches)71%extreme
December Weather24°C (75°F)18 mm (0.7 inches)72%extreme

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