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September Weather in Rio Largo, Brazil

Last updated: August 22, 2025

In Rio Largo, Brazil, the average temperature in September is a pleasant 24°C (76°F), with minimums dropping to 21°C (70°F) and maximums reaching up to 30°C (86°F). This month typically sees 77 mm (3.0 in) of precipitation spread over 24 days, alongside an average humidity of 79%, creating a warm and slightly humid atmosphere.

September Temperature in Rio Largo

In September in Rio Largo, the average temperature is 24°C (76°F). The maximum can reach 30°C (86°F) and the minimum can be as low as 21°C (70°F). This pleasant climate makes it an ideal time for traveling and exploring all that Rio Largo has to offer.

September Weather in Rio Largo: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Rio Largo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rio Largo, September typically has an average temperature of 24°C (76°F), with highs reaching up to 30°C (86°F) and lows dropping to around 21°C (70°F).
JanFebMarAprMayJunJulAugSepOctNovDec808180797877757576787980
Data source: Temperature data for Rio Largo 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 Rio Largo

In Rio Largo in September, the precipitation amount is 77 mm (3.0 in) distributed over 24 days.

September Precipitation Trends in Rio Largo

The chart displays monthly precipitation patterns in Rio Largo, 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 Rio Largo, September typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 24 days.
JanFebMarAprMayJunJulAugSepOctNovDec576014414118317218811777474452
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Rio Largo

In Rio Largo in September, humidity is 79%. With an average temperature of 24°C (76°F), this humidity feels like a thick blanket wrapped around you, making traveling somewhat uncomfortable and sticky, as you navigate through the warmth while constantly seeking shade and hydration.

September Average Humidity in Rio Largo

This chart illustrates the average monthly humidity levels in Rio Largo, 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 Rio Largo is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%87%88%89%90%89%86%84%79%74%71%72%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Rio Largo

In Rio Largo 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 Rio Largo.

Maximum UV Index Levels in Rio Largo for September

The chart shows the monthly maximum UV Index (UVI) for Rio Largo 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 Rio Largo typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141414141210101213131414
Data source: Rio Largo 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 Rio Largo Compares to Other Months

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

This table compares monthly weather conditions in Rio Largo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (80°F)57 mm (2.2 inches)84%extreme
February Weather27°C (81°F)60 mm (2.4 inches)87%extreme
March Weather27°C (81°F)144 mm (5.7 inches)88%extreme
April Weather26°C (80°F)141 mm (5.6 inches)89%extreme
May Weather26°C (78°F)183 mm (7.2 inches)90%extreme
June Weather25°C (77°F)172 mm (6.8 inches)89%very high
July Weather24°C (75°F)188 mm (7.4 inches)86%very high
August Weather24°C (75°F)117 mm (4.6 inches)84%extreme
September Weather24°C (76°F)77 mm (3.0 inches)79%extreme
October Weather25°C (78°F)47 mm (1.9 inches)74%extreme
November Weather26°C (79°F)44 mm (1.7 inches)71%extreme
December Weather26°C (80°F)52 mm (2.1 inches)72%extreme

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