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September Weather in Sao Pedro, Brazil

Last updated: August 22, 2025

In September, the average temperature in Sao Pedro, Brazil hovers around 23°C (74°F). Expect a wide range, with a minimum of 9°C (48°F) and a maximum soaring to 38°C (101°F). Be prepared for some moisture, as the area receives about 31 mm (1.2 in) of precipitation over 5 days. With an average humidity of 54%, it's a comfortable month overall!

September Temperature in Sao Pedro

In September in Sao Pedro, the average temperature is 23°C (74°F). Maximum temperatures can reach 38°C (101°F), while minimums can drop to as low as 9°C (48°F). Be sure to pack layers and stay hydrated while enjoying the diverse weather conditions.

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

The chart illustrates September temperature patterns in Sao Pedro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sao Pedro, September typically has an average temperature of 23°C (74°F), with highs reaching up to 38°C (101°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec767676726867656774747476
Data source: Temperature data for Sao Pedro 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 Pedro

In Sao Pedro in September, the precipitation amount is 31 mm (1.2 in) spread over 5 days.

September Precipitation Trends in Sao Pedro

The chart displays monthly precipitation patterns in Sao Pedro, 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 Pedro, September typically receives around 31 mm (1.2 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec21117210353361994331107134154
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sao Pedro

In Sao Pedro in September humidity is 54%. With an average temperature of 23°C (74°F), this humidity feels like a comfortable and pleasant atmosphere for traveling, creating a mild environment that is neither too dry nor overly damp, making outdoor exploration enjoyable.

September Average Humidity in Sao Pedro

This chart illustrates the average monthly humidity levels in Sao Pedro, 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 Pedro 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 Sao Pedro

In Sao Pedro 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 Sao Pedro.

Maximum UV Index Levels in Sao Pedro for September

The chart shows the monthly maximum UV Index (UVI) for Sao Pedro 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 Pedro typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161613118771012131416
Data source: Sao Pedro 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 Pedro Compares to Other Months

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

This table compares monthly weather conditions in Sao Pedro, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)211 mm (8.3 inches)88%extreme
February Weather24°C (76°F)172 mm (6.8 inches)87%extreme
March Weather24°C (76°F)103 mm (4.0 inches)86%extreme
April Weather22°C (73°F)53 mm (2.1 inches)82%extreme
May Weather20°C (68°F)36 mm (1.4 inches)76%very high
June Weather19°C (67°F)19 mm (0.7 inches)71%high
July Weather18°C (65°F)9 mm (0.4 inches)67%high
August Weather19°C (67°F)43 mm (1.7 inches)59%very high
September Weather23°C (74°F)31 mm (1.2 inches)54%extreme
October Weather23°C (75°F)107 mm (4.2 inches)50%extreme
November Weather23°C (74°F)134 mm (5.3 inches)74%extreme
December Weather24°C (76°F)154 mm (6.1 inches)83%extreme

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