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September Weather in Canoas, Brazil

Last updated: August 22, 2025

In Canoas, Brazil, the average temperature in September hovers around 18°C (65°F), offering a pleasant climate for outdoor activities. However, be prepared for temperature fluctuations, with minimums dropping to 7°C (45°F) and maximums soaring up to 36°C (96°F). This month also brings about 155 mm (6.1 in) of rain over 12 days, contributing to a high average humidity of 84%.

September Temperature in Canoas

In September in Canoas, the average temperature is 18°C (65°F). Maximum temperatures can reach up to 36°C (96°F), while minimums can dip as low as 7°C (45°F). This makes it an ideal time for travelers seeking a mix of warm and cool weather.

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

The chart illustrates September temperature patterns in Canoas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Canoas, September typically has an average temperature of 18°C (65°F), with highs reaching up to 36°C (96°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec787774706360586065687175
Data source: Temperature data for Canoas 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 Canoas

In Canoas in September, the total precipitation amount reaches 155 mm (6.1 in) over the course of 12 days.

September Precipitation Trends in Canoas

The chart displays monthly precipitation patterns in Canoas, 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 Canoas, September typically receives around 155 mm (6.1 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec93112109731531131237015513911280
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Canoas

In Canoas in September, humidity is 84%. With an average temperature of 18°C (65°F), this humidity feels like a thick blanket enveloping you, making travel feel heavy and slightly uncomfortable as the air clings to your skin and limits your breath.

September Average Humidity in Canoas

This chart illustrates the average monthly humidity levels in Canoas, 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 Canoas is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%79%79%82%87%85%82%81%84%85%82%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Canoas

In Canoas in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Canoas.

Maximum UV Index Levels in Canoas for September

The chart shows the monthly maximum UV Index (UVI) for Canoas 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 Canoas typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141312964579121314
Data source: Canoas 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 Canoas Compares to Other Months

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

This table compares monthly weather conditions in Canoas, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)93 mm (3.7 inches)77%extreme
February Weather25°C (77°F)112 mm (4.4 inches)79%extreme
March Weather23°C (75°F)109 mm (4.3 inches)79%extreme
April Weather21°C (71°F)73 mm (2.9 inches)82%very high
May Weather17°C (63°F)153 mm (6.0 inches)87%high
June Weather16°C (60°F)113 mm (4.4 inches)85%moderate
July Weather14°C (58°F)122 mm (4.8 inches)82%moderate
August Weather16°C (61°F)70 mm (2.8 inches)81%high
September Weather18°C (65°F)155 mm (6.1 inches)84%very high
October Weather20°C (68°F)139 mm (5.5 inches)85%extreme
November Weather22°C (72°F)112 mm (4.4 inches)82%extreme
December Weather24°C (76°F)80 mm (3.2 inches)84%extreme

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