September Weather in Arraias, Brazil

Last updated: August 22, 2025

In Arraias, Brazil, the average temperature in September reaches a warm 27°C (82°F), with minimums dipping to 17°C (62°F) and soaring to a maximum of 38°C (101°F). Expect minimal precipitation, with an average of just 2 mm (0.1 in) spread over 0 days. The overall average humidity sits at a comfortable 37%, making it an ideal time to enjoy the outdoors!

September Temperature in Arraias

In September in Arraias, the average temperature is 27°C (82°F), with maximums that can reach 38°C (101°F) and minimums that can drop to 17°C (62°F). It's a great time to visit if you enjoy warm weather, but be sure to prepare for the heat and pack accordingly!

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

The chart illustrates September temperature patterns in Arraias, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arraias, September typically has an average temperature of 27°C (82°F), with highs reaching up to 38°C (101°F) and lows dropping to around 17°C (62°F).
JanFebMarAprMayJunJulAugSepOctNovDec777677777675747881827777
Data source: Temperature data for Arraias 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 Arraias

In Arraias in September, the precipitation amount is 2 mm (0.1 in) during a span of 0 days.

September Precipitation Trends in Arraias

The chart displays monthly precipitation patterns in Arraias, 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 Arraias, September typically receives around 2 mm (0.1 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec18932925815612004292252299
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Arraias

In Arraias in September, humidity is 37%. With an average temperature of 27°C (82°F), this humidity feels like a comfortable embrace, making it an ideal time for traveling and exploring the vibrant sights without the burden of excessive stickiness.

September Average Humidity in Arraias

This chart illustrates the average monthly humidity levels in Arraias, 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 Arraias is approximately 37%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%89%91%84%67%54%48%44%37%29%35%56%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Arraias

In Arraias 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 Arraias.

Maximum UV Index Levels in Arraias for September

The chart shows the monthly maximum UV Index (UVI) for Arraias 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 Arraias typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec16151413119101213151515
Data source: Arraias 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 Arraias Compares to Other Months

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

This table compares monthly weather conditions in Arraias, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)189 mm (7.4 inches)84%extreme
February Weather24°C (76°F)329 mm (13.0 inches)89%extreme
March Weather25°C (77°F)258 mm (10.2 inches)91%extreme
April Weather25°C (77°F)156 mm (6.1 inches)84%extreme
May Weather25°C (76°F)12 mm (0.5 inches)67%extreme
June Weather24°C (75°F)0 mm (0.0 inches)54%very high
July Weather23°C (74°F)0 mm (0.0 inches)48%very high
August Weather25°C (78°F)4 mm (0.2 inches)44%extreme
September Weather27°C (82°F)2 mm (0.1 inches)37%extreme
October Weather28°C (82°F)92 mm (3.6 inches)29%extreme
November Weather25°C (77°F)252 mm (9.9 inches)35%extreme
December Weather25°C (77°F)299 mm (11.8 inches)56%extreme

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