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September Weather in Porto Calvo, Brazil

Last updated: August 22, 2025

In September, the average temperature in Porto Calvo, Brazil is a delightful 24°C (76°F). Expect a comfortable range where temperatures can dip to a minimum of 19°C (66°F) and rise to a maximum of 32°C (89°F). However, be prepared for some rain, as the region sees around 67 mm (2.6 in) of precipitation over 22 days. With an average humidity of 79%, it's a perfect time to enjoy the warmth while staying hydrated!

September Temperature in Porto Calvo

In September in Porto Calvo, the average temperature is 24°C (76°F). Maximum can reach 32°C (89°F) and minimum can be as low as 19°C (66°F). This pleasant climate makes it an ideal time for outdoor activities and sightseeing.

September Weather in Porto Calvo: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Porto Calvo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Porto Calvo, September typically has an average temperature of 24°C (76°F), with highs reaching up to 32°C (89°F) and lows dropping to around 19°C (66°F).
JanFebMarAprMayJunJulAugSepOctNovDec808180797776747476787980
Data source: Temperature data for Porto Calvo 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 Porto Calvo

In Porto Calvo in September, the precipitation amount is 67 mm (2.6 in) over the course of 22 days.

September Precipitation Trends in Porto Calvo

The chart displays monthly precipitation patterns in Porto Calvo, 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 Porto Calvo, September typically receives around 67 mm (2.6 inches) of precipitation spread over approximately 22 days.
JanFebMarAprMayJunJulAugSepOctNovDec55671361161401471389467454448
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Porto Calvo

In Porto Calvo 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 Porto Calvo

This chart illustrates the average monthly humidity levels in Porto Calvo, 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 Porto Calvo 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 Porto Calvo

In Porto Calvo 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 Porto Calvo.

Maximum UV Index Levels in Porto Calvo for September

The chart shows the monthly maximum UV Index (UVI) for Porto Calvo 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 Porto Calvo typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141415141211111213131514
Data source: Porto Calvo 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 Porto Calvo Compares to Other Months

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

This table compares monthly weather conditions in Porto Calvo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (80°F)55 mm (2.2 inches)84%extreme
February Weather27°C (81°F)67 mm (2.6 inches)87%extreme
March Weather27°C (81°F)136 mm (5.3 inches)88%extreme
April Weather26°C (79°F)116 mm (4.6 inches)89%extreme
May Weather25°C (78°F)140 mm (5.5 inches)90%extreme
June Weather24°C (76°F)147 mm (5.8 inches)89%extreme
July Weather23°C (74°F)138 mm (5.4 inches)86%extreme
August Weather24°C (75°F)94 mm (3.7 inches)84%extreme
September Weather24°C (76°F)67 mm (2.6 inches)79%extreme
October Weather25°C (78°F)45 mm (1.8 inches)74%extreme
November Weather26°C (80°F)44 mm (1.7 inches)71%extreme
December Weather27°C (80°F)48 mm (1.9 inches)72%extreme

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