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September Weather in Lagoa Formosa, Brazil

Last updated: August 22, 2025

In September, the average temperature in Lagoa Formosa, Brazil hovers around 23°C (75°F), with nighttime lows dipping to a cool 10°C (51°F) and daytime highs soaring to a balmy 36°C (97°F). Expect 20 mm (0.8 in) of rainfall spread over 2 days, while the average humidity remains a comfortable 45%.

September Temperature in Lagoa Formosa

In September in Lagoa Formosa, the average temperature is 23°C (75°F), with maximums reaching 36°C (97°F) and minimums dipping as low as 10°C (51°F). This variation makes it an ideal time for travelers seeking pleasant weather while exploring the local attractions.

September Weather in Lagoa Formosa: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Lagoa Formosa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lagoa Formosa, September typically has an average temperature of 23°C (75°F), with highs reaching up to 36°C (97°F) and lows dropping to around 10°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec747373726867656974757273
Data source: Temperature data for Lagoa Formosa 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 Lagoa Formosa

In Lagoa Formosa in September, the precipitation amount is 20 mm (0.8 in) over the course of 2 days.

September Precipitation Trends in Lagoa Formosa

The chart displays monthly precipitation patterns in Lagoa Formosa, 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 Lagoa Formosa, September typically receives around 20 mm (0.8 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec137219134623020720116225228
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Lagoa Formosa

In Lagoa Formosa in September, humidity is 45%. With an average temperature of 23°C (75°F), this humidity feels like a comfortable embrace, making it pleasant for traveling as you can explore outdoors without feeling sticky or overwhelmed.

September Average Humidity in Lagoa Formosa

This chart illustrates the average monthly humidity levels in Lagoa Formosa, 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 Lagoa Formosa is approximately 45%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%87%86%77%69%67%64%55%45%33%58%66%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Lagoa Formosa

In Lagoa Formosa 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 Lagoa Formosa.

Maximum UV Index Levels in Lagoa Formosa for September

The chart shows the monthly maximum UV Index (UVI) for Lagoa Formosa 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 Lagoa Formosa typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1616141210891113151516
Data source: Lagoa Formosa 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 Lagoa Formosa Compares to Other Months

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

This table compares monthly weather conditions in Lagoa Formosa, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)137 mm (5.4 inches)84%extreme
February Weather23°C (73°F)219 mm (8.6 inches)87%extreme
March Weather23°C (74°F)134 mm (5.3 inches)86%extreme
April Weather22°C (72°F)62 mm (2.4 inches)77%extreme
May Weather20°C (68°F)30 mm (1.2 inches)69%very high
June Weather19°C (67°F)2 mm (0.1 inches)67%very high
July Weather18°C (65°F)0 mm (0.0 inches)63%very high
August Weather20°C (69°F)7 mm (0.3 inches)54%extreme
September Weather23°C (75°F)20 mm (0.8 inches)45%extreme
October Weather24°C (76°F)116 mm (4.6 inches)33%extreme
November Weather22°C (72°F)225 mm (8.9 inches)58%extreme
December Weather23°C (73°F)228 mm (9.0 inches)66%extreme

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