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September Weather in Arara, Brazil

Last updated: August 22, 2025

The average temperature in Arara, Brazil during September is a pleasant 23°C (74°F). Expect minimums of 17°C (64°F) and maximums reaching 31°C (89°F). With an average precipitation of 29 mm (1.1 in) spread over 12 days, the area experiences a humidity level of about 72%.

September Temperature in Arara

In September in Arara, the average temperature is 23°C (74°F), with maximums reaching 31°C (89°F) and minimums dipping to 17°C (64°F). This pleasant climate makes Arara an ideal destination for outdoor activities and sightseeing.

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

The chart illustrates September temperature patterns in Arara, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arara, September typically has an average temperature of 23°C (74°F), with highs reaching up to 31°C (89°F) and lows dropping to around 17°C (64°F).
JanFebMarAprMayJunJulAugSepOctNovDec777877777574727374767778
Data source: Temperature data for Arara 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 Arara

In Arara in September, the precipitation amount is 29 mm (1.1 in) spread over 12 days.

September Precipitation Trends in Arara

The chart displays monthly precipitation patterns in Arara, 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 Arara, September typically receives around 29 mm (1.1 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec44951201029545623029262434
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Arara

In Arara in September humidity is 72%. With an average temperature of 23°C (74°F), this humidity feels like a warm, enveloping blanket that clings to the skin, making outdoor activities a challenge but offering a refreshing atmosphere for leisurely strolls in the shade.

September Average Humidity in Arara

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

In Arara 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 Arara.

Maximum UV Index Levels in Arara for September

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

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

This table compares monthly weather conditions in Arara, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (78°F)44 mm (1.7 inches)86%extreme
February Weather25°C (78°F)95 mm (3.7 inches)89%extreme
March Weather25°C (78°F)120 mm (4.7 inches)89%extreme
April Weather25°C (77°F)102 mm (4.0 inches)89%extreme
May Weather24°C (75°F)95 mm (3.8 inches)90%extreme
June Weather23°C (74°F)45 mm (1.8 inches)86%extreme
July Weather22°C (73°F)62 mm (2.4 inches)80%extreme
August Weather23°C (73°F)30 mm (1.2 inches)77%extreme
September Weather23°C (74°F)29 mm (1.1 inches)72%extreme
October Weather24°C (76°F)26 mm (1.0 inches)68%extreme
November Weather25°C (78°F)24 mm (0.9 inches)66%extreme
December Weather25°C (78°F)34 mm (1.3 inches)70%extreme

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