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September Weather in Alcantara, Brazil

Last updated: August 22, 2025

In Alcantara, Brazil, the average temperature in September hovers around 28°C (82°F), with daily variations from a minimum of 25°C (77°F) to a maximum of 33°C (92°F). Visitors can expect moderate precipitation totaling 20 mm (0.8 in) spread over 4 days, while the average humidity level remains comfortable at 51%.

September Temperature in Alcantara

In September in Alcantara, the average temperature is 28°C (82°F), with maximums reaching 33°C (92°F) and minimums dropping as low as 25°C (77°F). This warm climate makes Alcantara an ideal destination for travelers seeking sunshine and pleasant weather.

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

The chart illustrates September temperature patterns in Alcantara, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alcantara, September typically has an average temperature of 28°C (82°F), with highs reaching up to 33°C (92°F) and lows dropping to around 25°C (77°F).
JanFebMarAprMayJunJulAugSepOctNovDec808079808181818182828282
Data source: Temperature data for Alcantara 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 Alcantara

In Alcantara in September, the total precipitation amount is 20 mm (0.8 in) spread over a period of 4 days.

September Precipitation Trends in Alcantara

The chart displays monthly precipitation patterns in Alcantara, 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 Alcantara, September typically receives around 20 mm (0.8 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec187382450436280136933420235895
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Alcantara

In Alcantara in September, humidity is 51%. With an average temperature of 28°C (82°F), this humidity feels like a warm embrace, making travel feel lovely yet slightly sticky, perfect for lounging at a café or exploring the sights, albeit with the need to stay hydrated and take breaks from the heat.

September Average Humidity in Alcantara

This chart illustrates the average monthly humidity levels in Alcantara, 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 Alcantara is approximately 51%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%90%90%92%89%79%64%55%51%53%60%78%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Alcantara

In Alcantara 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 Alcantara.

Maximum UV Index Levels in Alcantara for September

The chart shows the monthly maximum UV Index (UVI) for Alcantara 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 Alcantara typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141416151312111313131313
Data source: Alcantara 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 Alcantara Compares to Other Months

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

This table compares monthly weather conditions in Alcantara, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (80°F)187 mm (7.4 inches)89%extreme
February Weather26°C (80°F)382 mm (15.0 inches)90%extreme
March Weather26°C (80°F)450 mm (17.7 inches)90%extreme
April Weather27°C (80°F)436 mm (17.2 inches)92%extreme
May Weather27°C (81°F)280 mm (11.0 inches)89%extreme
June Weather27°C (81°F)136 mm (5.4 inches)79%extreme
July Weather27°C (81°F)93 mm (3.7 inches)64%extreme
August Weather27°C (82°F)34 mm (1.3 inches)55%extreme
September Weather28°C (82°F)20 mm (0.8 inches)51%extreme
October Weather28°C (82°F)23 mm (0.9 inches)53%extreme
November Weather28°C (82°F)58 mm (2.3 inches)60%extreme
December Weather28°C (82°F)95 mm (3.7 inches)78%extreme

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