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September Weather in Ourinhos, Brazil

Last updated: August 22, 2025

In September, the average temperature in Ourinhos, Brazil is a pleasant 24°C (75°F). Expect a minimum chill of 11°C (52°F) and the occasional heat spike, reaching up to 38°C (101°F). During this month, anticipate about 29 mm (1.1 in) of precipitation spread over 4 days, while the air maintains an average humidity of 54%.

September Temperature in Ourinhos

In September in Ourinhos, the average temperature is 24°C (75°F). Maximum temperatures can reach 38°C (101°F), while minimums can drop to as low as 11°C (52°F). Be prepared for warm days and cool nights, making it ideal for a range of outdoor activities.

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

The chart illustrates September temperature patterns in Ourinhos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ourinhos, September typically has an average temperature of 24°C (75°F), with highs reaching up to 38°C (101°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec777777736967666875757577
Data source: Temperature data for Ourinhos 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 Ourinhos

In Ourinhos in September, the precipitation amount is 29 mm (1.1 in) over a span of 4 days.

September Precipitation Trends in Ourinhos

The chart displays monthly precipitation patterns in Ourinhos, 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 Ourinhos, September typically receives around 29 mm (1.1 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec18813290434741165729108102127
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ourinhos

In Ourinhos in September humidity is 54%. With average temperature 24°C (75°F), this humidity feels like a refreshing breeze that enhances the comfort of traveling, allowing for enjoyable outdoor exploration without the discomfort often associated with higher humidity levels.

September Average Humidity in Ourinhos

This chart illustrates the average monthly humidity levels in Ourinhos, 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 Ourinhos is approximately 54%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%86%82%76%71%68%59%54%50%74%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ourinhos

In Ourinhos 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 Ourinhos.

Maximum UV Index Levels in Ourinhos for September

The chart shows the monthly maximum UV Index (UVI) for Ourinhos 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 Ourinhos typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151513118671012131416
Data source: Ourinhos 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 Ourinhos Compares to Other Months

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

This table compares monthly weather conditions in Ourinhos, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (78°F)188 mm (7.4 inches)88%extreme
February Weather25°C (77°F)132 mm (5.2 inches)87%extreme
March Weather25°C (77°F)90 mm (3.5 inches)86%extreme
April Weather23°C (74°F)43 mm (1.7 inches)82%extreme
May Weather21°C (69°F)47 mm (1.9 inches)76%very high
June Weather20°C (68°F)41 mm (1.6 inches)71%high
July Weather19°C (67°F)16 mm (0.6 inches)67%high
August Weather20°C (68°F)57 mm (2.2 inches)59%very high
September Weather24°C (75°F)29 mm (1.1 inches)54%extreme
October Weather24°C (75°F)108 mm (4.3 inches)50%extreme
November Weather24°C (76°F)102 mm (4.0 inches)74%extreme
December Weather25°C (77°F)127 mm (5.0 inches)83%extreme

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