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September Weather in Santa Helena de Goias, Brazil

Last updated: August 22, 2025

In Santa Helena de Goias, Brazil, the average temperature in September reaches a warm 28°C (82°F), with daily fluctuations from a minimum of 12°C (54°F) to a scorching maximum of 40°C (105°F). Visitors should be prepared for some moisture, as the region experiences approximately 17 mm (0.7 in) of precipitation over the course of 3 days. With average humidity at just 33%, the conditions are quite comfortable for outdoor exploration!

September Temperature in Santa Helena de Goias

In September in Santa Helena de Goias, the average temperature is 28°C (82°F), with maximums potentially reaching 40°C (105°F) and minimums dipping to as low as 12°C (54°F). Be prepared for a mix of warm days and cooler evenings when traveling during this time.

September Weather in Santa Helena de Goias: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Santa Helena de Goias, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Helena de Goias, September typically has an average temperature of 28°C (82°F), with highs reaching up to 40°C (105°F) and lows dropping to around 12°C (54°F).
JanFebMarAprMayJunJulAugSepOctNovDec787778767373717682817878
Data source: Temperature data for Santa Helena de Goias 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 Santa Helena de Goias

In Santa Helena de Goias in September, the precipitation amount is 17 mm (0.7 in) over the course of 3 days.

September Precipitation Trends in Santa Helena de Goias

The chart displays monthly precipitation patterns in Santa Helena de Goias, 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 Santa Helena de Goias, September typically receives around 17 mm (0.7 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec135194134611930517102179194
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Santa Helena de Goias

In Santa Helena de Goias in September, humidity is 33%. With an average temperature of 28°C (82°F), this humidity feels like a comfortable and refreshing embrace, making it ideal for traveling as you can explore without feeling weighed down by oppressive heat or stickiness.

September Average Humidity in Santa Helena de Goias

This chart illustrates the average monthly humidity levels in Santa Helena de Goias, 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 Santa Helena de Goias 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 Santa Helena de Goias

In Santa Helena de Goias 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 Santa Helena de Goias.

Maximum UV Index Levels in Santa Helena de Goias for September

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

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

This table compares monthly weather conditions in Santa Helena de Goias, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (78°F)135 mm (5.3 inches)87%extreme
February Weather25°C (78°F)194 mm (7.6 inches)89%extreme
March Weather25°C (78°F)134 mm (5.3 inches)89%extreme
April Weather25°C (77°F)61 mm (2.4 inches)83%extreme
May Weather23°C (74°F)19 mm (0.8 inches)68%very high
June Weather23°C (73°F)3 mm (0.1 inches)60%very high
July Weather22°C (71°F)0 mm (0.0 inches)53%very high
August Weather24°C (76°F)5 mm (0.2 inches)43%extreme
September Weather28°C (82°F)17 mm (0.7 inches)33%extreme
October Weather27°C (81°F)102 mm (4.0 inches)28%extreme
November Weather26°C (78°F)179 mm (7.1 inches)61%extreme
December Weather25°C (78°F)194 mm (7.6 inches)84%extreme

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