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September Weather in Alagoa Grande, Brazil

Last updated: August 22, 2025

In September, the average temperature in Alagoa Grande, Brazil hovers around 24°C (75°F), with a pleasant range that dips to a minimum of 18°C (64°F) and peaks at 32°C (90°F). Expect 31 mm (1.2 in) of precipitation over 13 days, contributing to an average humidity of 72%. Enjoy the warmth while staying prepared for the occasional shower!

September Temperature in Alagoa Grande

In September in Alagoa Grande, the average temperature is 24°C (75°F), with maximums reaching up to 32°C (90°F) and minimums dropping as low as 18°C (64°F). This mild climate makes Alagoa Grande an ideal destination for travelers seeking comfortable weather.

September Weather in Alagoa Grande: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Alagoa Grande, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alagoa Grande, September typically has an average temperature of 24°C (75°F), with highs reaching up to 32°C (90°F) and lows dropping to around 18°C (64°F).
JanFebMarAprMayJunJulAugSepOctNovDec787978777674737375777878
Data source: Temperature data for Alagoa Grande 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 Alagoa Grande

In Alagoa Grande in September, the precipitation amount is 31 mm (1.2 in) spread over 13 days.

September Precipitation Trends in Alagoa Grande

The chart displays monthly precipitation patterns in Alagoa Grande, 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 Alagoa Grande, September typically receives around 31 mm (1.2 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec366691877155533531262331
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Alagoa Grande

In Alagoa Grande in September, humidity is 72%. With an average temperature of 24°C (75°F), this humidity feels like a warm blanket wrapped around you, making any travel plans feel pleasantly sticky but still enjoyable as long as you stay hydrated and take breaks in the shade.

September Average Humidity in Alagoa Grande

This chart illustrates the average monthly humidity levels in Alagoa Grande, 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 Alagoa Grande 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 Alagoa Grande

In Alagoa Grande 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 Alagoa Grande.

Maximum UV Index Levels in Alagoa Grande for September

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

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

This table compares monthly weather conditions in Alagoa Grande, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)36 mm (1.4 inches)86%extreme
February Weather26°C (79°F)66 mm (2.6 inches)89%extreme
March Weather26°C (79°F)91 mm (3.6 inches)89%extreme
April Weather25°C (78°F)87 mm (3.4 inches)89%extreme
May Weather24°C (76°F)71 mm (2.8 inches)90%extreme
June Weather23°C (74°F)55 mm (2.2 inches)86%extreme
July Weather23°C (73°F)53 mm (2.1 inches)80%extreme
August Weather23°C (73°F)35 mm (1.4 inches)77%extreme
September Weather24°C (75°F)31 mm (1.2 inches)72%extreme
October Weather25°C (77°F)26 mm (1.0 inches)68%extreme
November Weather26°C (78°F)23 mm (0.9 inches)66%extreme
December Weather26°C (79°F)31 mm (1.2 inches)70%extreme

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