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September Weather in Guapore, Brazil

Last updated: August 22, 2025

In September, the average temperature in Guapore, Brazil hovers around 17°C (63°F), with minimums dipping to 2°C (37°F) and maximums soaring to 33°C (91°F). Expect around 141 mm (5.5 in) of precipitation over 11 days, contributing to an average humidity of 80%. Be prepared for a mix of weather as you explore this vibrant destination!

September Temperature in Guapore

In September in Guapore, the average temperature is 17°C (63°F). Maximums can reach 33°C (91°F) and minimums can be as low as 2°C (37°F). Be prepared for a range of temperatures, ensuring you pack both warm and light clothing for your travels.

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

The chart illustrates September temperature patterns in Guapore, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Guapore, September typically has an average temperature of 17°C (63°F), with highs reaching up to 33°C (91°F) and lows dropping to around 2°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec737270655957555863656872
Data source: Temperature data for Guapore 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 Guapore

In Guapore in September, the total precipitation amount is 141 mm (5.5 in), which falls over the course of 11 days.

September Precipitation Trends in Guapore

The chart displays monthly precipitation patterns in Guapore, 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 Guapore, September typically receives around 141 mm (5.5 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec14614211210319513012179141149131104
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Guapore

In Guapore in September humidity is 80%. With an average temperature of 17°C (63°F), this humidity feels like you're walking through a thick, warm blanket, making travel feel slightly stifling and requiring frequent breaks to stay comfortable.

September Average Humidity in Guapore

This chart illustrates the average monthly humidity levels in Guapore, 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 Guapore is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%77%79%83%88%86%82%77%80%84%83%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Guapore

In Guapore in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Guapore.

Maximum UV Index Levels in Guapore for September

The chart shows the monthly maximum UV Index (UVI) for Guapore 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 Guapore typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15141210655710131415
Data source: Guapore 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 Guapore Compares to Other Months

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

This table compares monthly weather conditions in Guapore, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)146 mm (5.8 inches)80%extreme
February Weather22°C (72°F)142 mm (5.6 inches)77%extreme
March Weather21°C (70°F)112 mm (4.4 inches)79%extreme
April Weather18°C (65°F)103 mm (4.1 inches)83%very high
May Weather15°C (60°F)195 mm (7.7 inches)88%high
June Weather14°C (57°F)130 mm (5.1 inches)86%moderate
July Weather13°C (56°F)121 mm (4.8 inches)82%moderate
August Weather14°C (58°F)79 mm (3.1 inches)77%high
September Weather17°C (63°F)141 mm (5.5 inches)80%very high
October Weather18°C (66°F)149 mm (5.8 inches)84%extreme
November Weather20°C (68°F)131 mm (5.1 inches)83%extreme
December Weather22°C (72°F)104 mm (4.1 inches)87%extreme

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