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September Weather in Sao Goncalo, Brazil

Last updated: August 22, 2025

In September, the average temperature in Sao Goncalo, Brazil hovers around 23°C (74°F). Minimum temperatures can dip to 14°C (58°F), while maximums can soar to 37°C (100°F). Expect about 63 mm (2.5 in) of precipitation over 8 days, contributing to an average humidity of 68%.

September Temperature in Sao Goncalo

In September in Sao Goncalo, the average temperature is 23°C (74°F). Maximum temperatures can reach 37°C (100°F), while the minimum can drop to as low as 14°C (58°F). This diverse range makes it an excellent time for travelers to enjoy both warm days and cooler evenings.

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

The chart illustrates September temperature patterns in Sao Goncalo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sao Goncalo, September typically has an average temperature of 23°C (74°F), with highs reaching up to 37°C (100°F) and lows dropping to around 14°C (58°F).
JanFebMarAprMayJunJulAugSepOctNovDec818079767271697074757578
Data source: Temperature data for Sao Goncalo 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 Goncalo

In Sao Goncalo in September, the precipitation amount is 63 mm (2.5 in) spread over 8 days.

September Precipitation Trends in Sao Goncalo

The chart displays monthly precipitation patterns in Sao Goncalo, 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 Goncalo, September typically receives around 63 mm (2.5 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec168215184966847377163123191217
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sao Goncalo

In Sao Goncalo in September, humidity is 68%. With an average temperature of 23°C (74°F), this humidity feels like a warm embrace, making traveling quite uncomfortable if you're not prepared. The air is thick and muggy, leaving you yearning for a cool breeze and frequent breaks in the shade.

September Average Humidity in Sao Goncalo

This chart illustrates the average monthly humidity levels in Sao Goncalo, 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 Goncalo is approximately 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%86%83%81%80%76%73%68%61%72%75%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sao Goncalo

In Sao Goncalo 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 Goncalo.

Maximum UV Index Levels in Sao Goncalo for September

The chart shows the monthly maximum UV Index (UVI) for Sao Goncalo 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 Goncalo typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15141310767911121315
Data source: Sao Goncalo 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 Goncalo Compares to Other Months

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

This table compares monthly weather conditions in Sao Goncalo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (82°F)168 mm (6.6 inches)85%extreme
February Weather26°C (80°F)215 mm (8.5 inches)85%extreme
March Weather26°C (80°F)184 mm (7.2 inches)86%extreme
April Weather24°C (76°F)96 mm (3.8 inches)83%very high
May Weather22°C (72°F)68 mm (2.7 inches)81%high
June Weather22°C (71°F)47 mm (1.8 inches)80%high
July Weather21°C (69°F)37 mm (1.5 inches)76%high
August Weather21°C (70°F)71 mm (2.8 inches)73%very high
September Weather23°C (74°F)63 mm (2.5 inches)68%extreme
October Weather24°C (75°F)123 mm (4.9 inches)61%extreme
November Weather24°C (75°F)191 mm (7.5 inches)72%extreme
December Weather26°C (78°F)217 mm (8.6 inches)75%extreme

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