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September Weather in Passira, Brazil

Last updated: August 22, 2025

In September, the average temperature in Passira, Brazil hovers around 24°C (75°F), making it a pleasant destination for travelers. Expect temperatures to range from a comfortable 18°C (65°F) to a warm 32°C (91°F). With an average humidity of 79%, the air can feel a bit sticky, particularly during the warmer days. However, be prepared for the occasional rain, as 27 mm (1.1 in) of precipitation typically falls over 11 days that month.

September Temperature in Passira

In September in Passira, the average temperature is 24°C (75°F). Maximums can reach 32°C (91°F), while minimums can drop to as low as 18°C (65°F). This mild and pleasant climate makes it a perfect time for outdoor activities and exploring the local attractions.

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

The chart illustrates September temperature patterns in Passira, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Passira, September typically has an average temperature of 24°C (75°F), with highs reaching up to 32°C (91°F) and lows dropping to around 18°C (65°F).
JanFebMarAprMayJunJulAugSepOctNovDec797979787775737475777979
Data source: Temperature data for Passira 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 Passira

In Passira in September, the precipitation amount is 27 mm (1.1 in) spread over 11 days.

September Precipitation Trends in Passira

The chart displays monthly precipitation patterns in Passira, 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 Passira, September typically receives around 27 mm (1.1 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec365579706663483127222534
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Passira

In Passira in September, humidity is 79%. With an average temperature of 24°C (75°F), this humidity feels like a warm, tropical embrace, making traveling quite sticky and requiring ample hydration and light clothing to keep comfortable while exploring.

September Average Humidity in Passira

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

In Passira 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 Passira.

Maximum UV Index Levels in Passira for September

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

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

This table compares monthly weather conditions in Passira, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)36 mm (1.4 inches)84%extreme
February Weather26°C (80°F)55 mm (2.2 inches)87%extreme
March Weather26°C (79°F)79 mm (3.1 inches)88%extreme
April Weather26°C (79°F)70 mm (2.8 inches)89%extreme
May Weather25°C (77°F)66 mm (2.6 inches)90%extreme
June Weather24°C (75°F)63 mm (2.5 inches)89%extreme
July Weather23°C (74°F)48 mm (1.9 inches)86%extreme
August Weather23°C (74°F)30 mm (1.2 inches)84%extreme
September Weather24°C (75°F)27 mm (1.1 inches)79%extreme
October Weather25°C (78°F)22 mm (0.9 inches)74%extreme
November Weather26°C (79°F)25 mm (1.0 inches)71%extreme
December Weather26°C (79°F)34 mm (1.3 inches)72%extreme

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