September Weather in Sombrio, Brazil

Last updated: August 22, 2025

In Sombrio, Brazil, the average temperature in September hovers around 18°C (65°F), providing a comfortable climate for outdoor activities. Expect minimums of 11°C (51°F) and delightful highs of 29°C (85°F). However, be prepared for potential showers, as 143 mm (5.6 in) of precipitation can occur over 14 days. With an average humidity of 86%, it's a great time to embrace the lush, vibrant surroundings!

September Temperature in Sombrio

In September in Sombrio, the average temperature is 18°C (65°F). Maximums can reach 29°C (85°F), and minimums can be as low as 11°C (51°F). This makes it an ideal time for travelers to enjoy pleasant weather while exploring the local attractions.

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

The chart illustrates September temperature patterns in Sombrio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sombrio, September typically has an average temperature of 18°C (65°F), with highs reaching up to 29°C (85°F) and lows dropping to around 11°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec757574706662606165676972
Data source: Temperature data for Sombrio 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 Sombrio

In Sombrio in September, the total precipitation amount is 143 mm (5.6 in), spread over a duration of 14 days.

September Precipitation Trends in Sombrio

The chart displays monthly precipitation patterns in Sombrio, 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 Sombrio, September typically receives around 143 mm (5.6 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec149120129971341249555143129121131
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sombrio

In Sombrio in September humidity is 86%. With an average temperature of 18°C (65°F), this humidity feels like you’re wrapped in a warm, heavy blanket, making outdoor activities feel quite muggy and sticky for traveling.

September Average Humidity in Sombrio

This chart illustrates the average monthly humidity levels in Sombrio, 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 Sombrio is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%84%83%86%82%80%81%86%87%87%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sombrio

In Sombrio in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Sombrio.

Maximum UV Index Levels in Sombrio for September

The chart shows the monthly maximum UV Index (UVI) for Sombrio 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 Sombrio typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15141210655710121415
Data source: Sombrio 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 Sombrio Compares to Other Months

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

This table compares monthly weather conditions in Sombrio, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)149 mm (5.9 inches)85%extreme
February Weather24°C (75°F)120 mm (4.7 inches)84%extreme
March Weather23°C (74°F)129 mm (5.1 inches)84%extreme
April Weather21°C (71°F)97 mm (3.8 inches)83%very high
May Weather19°C (66°F)134 mm (5.3 inches)86%high
June Weather17°C (63°F)124 mm (4.9 inches)82%moderate
July Weather16°C (60°F)95 mm (3.7 inches)80%moderate
August Weather16°C (61°F)55 mm (2.2 inches)81%high
September Weather18°C (65°F)143 mm (5.6 inches)86%very high
October Weather20°C (68°F)129 mm (5.1 inches)87%extreme
November Weather21°C (69°F)121 mm (4.8 inches)87%extreme
December Weather22°C (73°F)131 mm (5.2 inches)88%extreme

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