nomadseason

September Weather in Goianinha, Brazil

Last updated: August 22, 2025

In September, the average temperature in Goianinha, Brazil is a pleasant 25°C (78°F). You'll experience comfortable warmth, with temperatures dipping to a minimum of 21°C (69°F) and peaking at a maximum of 31°C (89°F). However, be prepared for some rain, as 28 mm (1.1 in) of precipitation may fall over 11 days. With an average humidity of 72%, it's the perfect time to enjoy the balmy climate!

September Temperature in Goianinha

In September in Goianinha, the average temperature is 25°C (78°F). The maximum can reach 31°C (89°F) and the minimum can be as low as 21°C (69°F). This pleasant climate makes it an ideal time for outdoor activities and exploring the vibrant surroundings.

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

The chart illustrates September temperature patterns in Goianinha, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Goianinha, September typically has an average temperature of 25°C (78°F), with highs reaching up to 31°C (89°F) and lows dropping to around 21°C (69°F).
JanFebMarAprMayJunJulAugSepOctNovDec818181807977767778808181
Data source: Temperature data for Goianinha generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Goianinha

In Goianinha in September, the precipitation amount is 28 mm (1.1 in) over the course of 11 days.

September Precipitation Trends in Goianinha

The chart displays monthly precipitation patterns in Goianinha, 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 Goianinha, September typically receives around 28 mm (1.1 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec47961441221131001243128242435
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Goianinha

In Goianinha in September humidity is 72%. With an average temperature of 25°C (78°F), this humidity feels like a warm blanket wrapping around you, making it essential to stay hydrated and take breaks in the shade while exploring.

September Average Humidity in Goianinha

This chart illustrates the average monthly humidity levels in Goianinha, 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 Goianinha is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%89%90%89%90%86%80%77%72%68%66%70%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Goianinha

In Goianinha in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Goianinha.

Maximum UV Index Levels in Goianinha for September

The chart shows the monthly maximum UV Index (UVI) for Goianinha 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 Goianinha typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141415141211111213131414
Data source: Goianinha 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 Goianinha Compares to Other Months

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

This table compares monthly weather conditions in Goianinha, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)47 mm (1.8 inches)86%extreme
February Weather27°C (81°F)96 mm (3.8 inches)89%extreme
March Weather27°C (81°F)144 mm (5.7 inches)89%extreme
April Weather27°C (80°F)122 mm (4.8 inches)89%extreme
May Weather26°C (79°F)113 mm (4.5 inches)90%extreme
June Weather25°C (78°F)100 mm (3.9 inches)86%extreme
July Weather24°C (76°F)124 mm (4.9 inches)80%extreme
August Weather25°C (77°F)31 mm (1.2 inches)77%extreme
September Weather25°C (78°F)28 mm (1.1 inches)72%extreme
October Weather26°C (80°F)24 mm (1.0 inches)68%extreme
November Weather27°C (81°F)24 mm (0.9 inches)66%extreme
December Weather27°C (81°F)35 mm (1.4 inches)70%extreme

Compare Goianinha's Climate with Cities Worldwide