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September Weather in Guapiacu, Brazil

Last updated: August 22, 2025

In September, the average temperature in Guapiacu, Brazil hovers around a warm 26°C (79°F). Expect a range where the minimum can dip to 11°C (52°F) and the maximum might soar to 40°C (105°F). With an average humidity of 41%, you can enjoy the warm weather with relative comfort. Just prepare for 22 mm (0.9 in) of precipitation distributed over about 2 days during the month.

September Temperature in Guapiacu

In September, in Guapiacu, the average temperature is 26°C (79°F). Maximums can reach 40°C (105°F), and minimums can dip as low as 11°C (52°F). Travelers should be prepared for both hot days and cooler evenings during this time.

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

The chart illustrates September temperature patterns in Guapiacu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Guapiacu, September typically has an average temperature of 26°C (79°F), with highs reaching up to 40°C (105°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec787878767171707379797878
Data source: Temperature data for Guapiacu 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 Guapiacu

In Guapiacu in September, the precipitation amount is 22 mm (0.9 in) over a span of 2 days.

September Precipitation Trends in Guapiacu

The chart displays monthly precipitation patterns in Guapiacu, 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 Guapiacu, September typically receives around 22 mm (0.9 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec153158101513157212299160159
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Guapiacu

In Guapiacu in September humidity is 41%. With an average temperature of 26°C (79°F), this humidity feels like a comfortable embrace, making it ideal for exploring the sights and enjoying outdoor activities without feeling overly sticky or overheated.

September Average Humidity in Guapiacu

This chart illustrates the average monthly humidity levels in Guapiacu, 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 Guapiacu is approximately 41%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%87%86%79%68%60%57%48%41%35%65%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Guapiacu

In Guapiacu 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 Guapiacu.

Maximum UV Index Levels in Guapiacu for September

The chart shows the monthly maximum UV Index (UVI) for Guapiacu 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 Guapiacu typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161613118781012141416
Data source: Guapiacu 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 Guapiacu Compares to Other Months

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

This table compares monthly weather conditions in Guapiacu, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (78°F)153 mm (6.0 inches)85%extreme
February Weather25°C (78°F)158 mm (6.2 inches)87%extreme
March Weather26°C (79°F)101 mm (4.0 inches)86%extreme
April Weather25°C (76°F)51 mm (2.0 inches)79%extreme
May Weather22°C (72°F)30 mm (1.2 inches)68%very high
June Weather22°C (71°F)5 mm (0.2 inches)60%high
July Weather21°C (70°F)7 mm (0.3 inches)57%very high
August Weather23°C (73°F)21 mm (0.8 inches)48%very high
September Weather26°C (79°F)22 mm (0.9 inches)41%extreme
October Weather26°C (80°F)99 mm (3.9 inches)35%extreme
November Weather25°C (78°F)160 mm (6.3 inches)65%extreme
December Weather26°C (78°F)159 mm (6.3 inches)80%extreme

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