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September Weather in Birigui, Brazil

Last updated: August 22, 2025

In Birigui, Brazil, the average temperature in September is a warm 26°C (80°F). Expect a range of conditions, with minimums dipping to 13°C (55°F) and maximums soaring to 41°C (105°F). During this month, you can anticipate around 22 mm (0.9 in) of precipitation over a span of 3 days, while the average humidity sits comfortably at 33%.

September Temperature in Birigui

In September in Birigui, the average temperature is 26°C (80°F). Maximums can reach 41°C (105°F), while minimums can drop to as low as 13°C (55°F). Travelers should be prepared for hot days and cooler evenings when visiting.

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

The chart illustrates September temperature patterns in Birigui, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Birigui, September typically has an average temperature of 26°C (80°F), with highs reaching up to 41°C (105°F) and lows dropping to around 13°C (55°F).
JanFebMarAprMayJunJulAugSepOctNovDec807980777272707279807979
Data source: Temperature data for Birigui 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 Birigui

In Birigui in September, the precipitation amount is 22 mm (0.9 in) over a span of 3 days.

September Precipitation Trends in Birigui

The chart displays monthly precipitation patterns in Birigui, 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 Birigui, September typically receives around 22 mm (0.9 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec1681458548301210222290127145
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Birigui

In Birigui in September humidity is 33%. With an average temperature of 26°C (80°F), this humidity feels like a warm embrace, making it comfortable for traveling as the air is pleasantly dry, allowing you to explore without feeling too hot or sticky.

September Average Humidity in Birigui

This chart illustrates the average monthly humidity levels in Birigui, 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 Birigui is approximately 33%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%85%85%76%60%48%44%38%33%31%62%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Birigui

In Birigui in September, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Birigui.

Maximum UV Index Levels in Birigui for September

The chart shows the monthly maximum UV Index (UVI) for Birigui 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 Birigui typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151613118781012141416
Data source: Birigui 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 Birigui Compares to Other Months

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

This table compares monthly weather conditions in Birigui, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (80°F)168 mm (6.6 inches)84%extreme
February Weather26°C (80°F)145 mm (5.7 inches)85%extreme
March Weather27°C (80°F)85 mm (3.3 inches)84%extreme
April Weather25°C (77°F)48 mm (1.9 inches)76%extreme
May Weather22°C (72°F)30 mm (1.2 inches)60%very high
June Weather22°C (72°F)12 mm (0.5 inches)48%high
July Weather21°C (70°F)10 mm (0.4 inches)44%very high
August Weather22°C (73°F)22 mm (0.9 inches)38%very high
September Weather26°C (80°F)22 mm (0.9 inches)33%extreme
October Weather26°C (80°F)90 mm (3.5 inches)31%extreme
November Weather26°C (79°F)126 mm (5.0 inches)62%extreme
December Weather26°C (80°F)145 mm (5.7 inches)82%extreme

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