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September Weather in Sao Roque, Brazil

Last updated: August 22, 2025

The average temperature in Sao Roque, Brazil during September is a delightful 21°C (70°F). Visitors can experience a minimum of 9°C (48°F) and a maximum of 36°C (96°F). Expect about 34 mm (1.3 in) of precipitation over approximately 6 days, with an average humidity of 58%.

September Temperature in Sao Roque

In September in Sao Roque, the average temperature is 21°C (70°F), with maximums reaching up to 36°C (96°F) and minimums dropping as low as 9°C (48°F). It's a great time to visit if you enjoy mild to warm weather, but be prepared for temperature fluctuations throughout the day.

September Weather in Sao Roque: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Sao Roque, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sao Roque, September typically has an average temperature of 21°C (70°F), with highs reaching up to 36°C (96°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec747374706665636470717073
Data source: Temperature data for Sao Roque 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 Sao Roque

In Sao Roque in September, the total precipitation amount is 34 mm (1.3 in) spread over 6 days.

September Precipitation Trends in Sao Roque

The chart displays monthly precipitation patterns in Sao Roque, 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 Sao Roque, September typically receives around 34 mm (1.3 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec166144110514643245134106113138
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sao Roque

In Sao Roque in September, humidity is 58%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace, creating a tropical atmosphere that's perfect for leisurely strolls but may require frequent breaks to stay hydrated during your travels.

September Average Humidity in Sao Roque

This chart illustrates the average monthly humidity levels in Sao Roque, 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 Sao Roque is approximately 58%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%88%84%79%77%72%65%58%50%75%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sao Roque

In Sao Roque 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 Sao Roque.

Maximum UV Index Levels in Sao Roque for September

The chart shows the monthly maximum UV Index (UVI) for Sao Roque 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 Sao Roque typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec16151311867911131516
Data source: Sao Roque 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 Sao Roque Compares to Other Months

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

This table compares monthly weather conditions in Sao Roque, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (75°F)166 mm (6.6 inches)88%extreme
February Weather23°C (74°F)143 mm (5.6 inches)88%extreme
March Weather23°C (74°F)110 mm (4.3 inches)87%extreme
April Weather21°C (70°F)51 mm (2.0 inches)84%extreme
May Weather19°C (66°F)46 mm (1.8 inches)79%very high
June Weather18°C (65°F)43 mm (1.7 inches)77%high
July Weather17°C (63°F)23 mm (0.9 inches)72%high
August Weather18°C (64°F)51 mm (2.0 inches)65%very high
September Weather21°C (70°F)34 mm (1.3 inches)58%extreme
October Weather21°C (71°F)106 mm (4.2 inches)50%extreme
November Weather21°C (71°F)113 mm (4.4 inches)75%extreme
December Weather23°C (74°F)138 mm (5.4 inches)80%extreme

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