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September Weather in Mari, Brazil

Last updated: August 22, 2025

In Mari, Brazil, the average temperature in September hovers around 25°C (78°F), with lows of 20°C (68°F) and highs reaching 32°C (89°F). Expect 33 mm (1.3 in) of precipitation spread over 15 days, contributing to an average humidity of 72%. Enjoy the warm, slightly humid days while staying prepared for an occasional rain shower!

September Temperature in Mari

In September in Mari, the average temperature is 25°C (78°F). Maximums can reach 32°C (89°F), while minimums can be as low as 20°C (68°F). This makes it an ideal time for outdoor activities and exploring the local attractions comfortably.

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

The chart illustrates September temperature patterns in Mari, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mari, September typically has an average temperature of 25°C (78°F), with highs reaching up to 32°C (89°F) and lows dropping to around 20°C (68°F).
JanFebMarAprMayJunJulAugSepOctNovDec818181807977757677798181
Data source: Temperature data for Mari 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 Mari

In Mari in September, the precipitation amount is 33 mm (1.3 in) spread over 15 days.

September Precipitation Trends in Mari

The chart displays monthly precipitation patterns in Mari, 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 Mari, September typically receives around 33 mm (1.3 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec477911912812581863533272843
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Mari

In Mari in September humidity is 72%. With an average temperature of 25°C (78°F), this humidity feels like a warm blanket wrapping around you, making it essential to stay hydrated and take breaks in the shade while exploring.

September Average Humidity in Mari

This chart illustrates the average monthly humidity levels in Mari, 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 Mari 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 Mari

In Mari 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 Mari.

Maximum UV Index Levels in Mari for September

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

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

This table compares monthly weather conditions in Mari, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)47 mm (1.8 inches)86%extreme
February Weather27°C (81°F)79 mm (3.1 inches)89%extreme
March Weather27°C (81°F)119 mm (4.7 inches)89%extreme
April Weather27°C (80°F)128 mm (5.0 inches)89%extreme
May Weather26°C (79°F)125 mm (4.9 inches)90%extreme
June Weather25°C (77°F)81 mm (3.2 inches)86%extreme
July Weather24°C (76°F)86 mm (3.4 inches)80%extreme
August Weather24°C (76°F)35 mm (1.4 inches)77%extreme
September Weather25°C (78°F)33 mm (1.3 inches)72%extreme
October Weather26°C (80°F)27 mm (1.1 inches)68%extreme
November Weather27°C (81°F)28 mm (1.1 inches)66%extreme
December Weather27°C (81°F)43 mm (1.7 inches)70%extreme

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