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September Weather in Piranhas, Brazil

Last updated: August 22, 2025

In September, the average temperature in Piranhas, Brazil is a warm 28°C (83°F). You can expect a range from a cool 13°C (57°F) to a scorching 40°C (105°F). Rainfall is light, with an average precipitation of just 6 mm (0.2 in) over 1 day. The air is pleasantly dry, boasting an average humidity of only 33%.

September Temperature in Piranhas

In September in Piranhas, the average temperature is 28°C (83°F), with maximums reaching 40°C (105°F) and minimums dropping as low as 13°C (57°F). Be prepared for warm days and cooler nights, making it an ideal time for both exploration and relaxation.

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

The chart illustrates September temperature patterns in Piranhas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Piranhas, September typically has an average temperature of 28°C (83°F), with highs reaching up to 40°C (105°F) and lows dropping to around 13°C (57°F).
JanFebMarAprMayJunJulAugSepOctNovDec787778787574737882827978
Data source: Temperature data for Piranhas 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 Piranhas

In Piranhas in September, the precipitation amount is 6 mm (0.2 in) over the course of 1 day.

September Precipitation Trends in Piranhas

The chart displays monthly precipitation patterns in Piranhas, 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 Piranhas, September typically receives around 6 mm (0.2 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec153174143448101665156199
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Piranhas

In Piranhas in September humidity is 33%. With an average temperature of 28°C (83°F), this humidity feels like a comfortable warmth that makes outdoor adventures enjoyable, allowing for pleasant strolls and exploration without feeling weighed down by moisture in the air.

September Average Humidity in Piranhas

This chart illustrates the average monthly humidity levels in Piranhas, 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 Piranhas is approximately 33%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%89%89%83%68%60%53%43%33%29%61%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Piranhas

In Piranhas 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 Piranhas.

Maximum UV Index Levels in Piranhas for September

The chart shows the monthly maximum UV Index (UVI) for Piranhas 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 Piranhas typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1516141210891112151516
Data source: Piranhas 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 Piranhas Compares to Other Months

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

This table compares monthly weather conditions in Piranhas, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (78°F)152 mm (6.0 inches)87%extreme
February Weather25°C (78°F)174 mm (6.8 inches)89%extreme
March Weather25°C (78°F)143 mm (5.6 inches)89%extreme
April Weather25°C (78°F)44 mm (1.7 inches)83%extreme
May Weather24°C (75°F)8 mm (0.3 inches)68%very high
June Weather24°C (75°F)1 mm (0.0 inches)60%very high
July Weather23°C (73°F)0 mm (0.0 inches)53%very high
August Weather26°C (78°F)1 mm (0.1 inches)43%extreme
September Weather28°C (83°F)6 mm (0.2 inches)33%extreme
October Weather28°C (82°F)65 mm (2.6 inches)28%extreme
November Weather26°C (79°F)156 mm (6.2 inches)61%extreme
December Weather26°C (78°F)199 mm (7.8 inches)84%extreme

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