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September Weather in Indaial, Brazil

Last updated: August 22, 2025

In September, the average temperature in Indaial, Brazil is a pleasant 18°C (64°F). However, be prepared for some variation; temperatures can dip as low as 6°C (43°F) and rise up to a warm 31°C (88°F). Expect 129 mm (5.1 in) of precipitation spread over 16 days, contributing to an average humidity of 82%.

September Temperature in Indaial

In September in Indaial, the average temperature is 18°C (64°F). Maximum temperatures can reach 31°C (88°F), while minimums can drop to as low as 6°C (43°F). This comfortable climate makes Indaial an ideal destination for outdoor activities and sightseeing.

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

The chart illustrates September temperature patterns in Indaial, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Indaial, September typically has an average temperature of 18°C (64°F), with highs reaching up to 31°C (88°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec747372676360586064666872
Data source: Temperature data for Indaial 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 Indaial

In Indaial in September, the total precipitation amount is 129 mm (5.1 in), recorded over a span of 16 days.

September Precipitation Trends in Indaial

The chart displays monthly precipitation patterns in Indaial, 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 Indaial, September typically receives around 129 mm (5.1 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec224183167891141205179129155145212
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Indaial

In Indaial in September humidity is 82%. With an average temperature of 18°C (64°F), this humidity feels like a warm, muggy embrace that can make exploring the area feel stifling, leaving travelers drenched in sweat and longing for respite in the shade.

September Average Humidity in Indaial

This chart illustrates the average monthly humidity levels in Indaial, 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 Indaial is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%83%85%85%86%85%80%79%82%82%86%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Indaial

In Indaial 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 Indaial.

Maximum UV Index Levels in Indaial for September

The chart shows the monthly maximum UV Index (UVI) for Indaial 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 Indaial typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15141210766811131415
Data source: Indaial 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 Indaial Compares to Other Months

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

This table compares monthly weather conditions in Indaial, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)224 mm (8.8 inches)86%extreme
February Weather23°C (73°F)183 mm (7.2 inches)83%extreme
March Weather22°C (72°F)166 mm (6.6 inches)85%extreme
April Weather20°C (68°F)89 mm (3.5 inches)85%very high
May Weather17°C (63°F)114 mm (4.5 inches)86%high
June Weather16°C (61°F)120 mm (4.7 inches)85%high
July Weather15°C (58°F)51 mm (2.0 inches)80%high
August Weather15°C (60°F)79 mm (3.1 inches)79%very high
September Weather18°C (64°F)129 mm (5.1 inches)82%extreme
October Weather19°C (66°F)155 mm (6.1 inches)82%extreme
November Weather20°C (68°F)145 mm (5.7 inches)86%extreme
December Weather22°C (72°F)212 mm (8.4 inches)88%extreme

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