September Weather in Pedro II, Brazil

Last updated: August 22, 2025

In Pedro II, Brazil, the average temperature in September hovers around 30°C (86°F), with a minimum of 21°C (69°F) and a peak reaching 37°C (99°F). Expect a dry month with only 1 mm (0.0 in) of precipitation over the entire duration, while average humidity remains at a comfortable 41%.

September Temperature in Pedro II

In September in Pedro II, the average temperature is 30°C (86°F). Maximums can reach 37°C (99°F), while minimums can dip as low as 21°C (69°F). This warm climate makes Pedro II a great destination for travelers seeking sunny weather and outdoor adventures.

September Weather in Pedro II: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Pedro II, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pedro II, September typically has an average temperature of 30°C (86°F), with highs reaching up to 37°C (99°F) and lows dropping to around 21°C (69°F).
JanFebMarAprMayJunJulAugSepOctNovDec818079798081818385868684
Data source: Temperature data for Pedro II 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 Pedro II

In Pedro II in September, the precipitation amount is 1 mm (0.0 in) during a span of 0 days.

September Precipitation Trends in Pedro II

The chart displays monthly precipitation patterns in Pedro II, 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 Pedro II, September typically receives around 1 mm (0.0 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec120318343197587111164452
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Pedro II

In Pedro II in September humidity is 41%. With an average temperature of 30°C (86°F), this humidity feels like a warm embrace, making travel comfortable but slightly sticky, encouraging visitors to explore local attractions while taking breaks in shaded areas or enjoying refreshing drinks.

September Average Humidity in Pedro II

This chart illustrates the average monthly humidity levels in Pedro II, 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 Pedro II is approximately 41%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%91%93%93%88%75%56%46%41%39%43%67%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Pedro II

In Pedro II 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 Pedro II.

Maximum UV Index Levels in Pedro II for September

The chart shows the monthly maximum UV Index (UVI) for Pedro II 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 Pedro II typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141416151311111313131414
Data source: Pedro II 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 Pedro II Compares to Other Months

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

This table compares monthly weather conditions in Pedro II, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (82°F)120 mm (4.7 inches)90%extreme
February Weather27°C (80°F)318 mm (12.5 inches)91%extreme
March Weather26°C (79°F)343 mm (13.5 inches)93%extreme
April Weather26°C (79°F)197 mm (7.7 inches)93%extreme
May Weather27°C (80°F)58 mm (2.3 inches)88%extreme
June Weather27°C (81°F)7 mm (0.3 inches)75%extreme
July Weather27°C (82°F)11 mm (0.4 inches)55%extreme
August Weather29°C (84°F)1 mm (0.0 inches)46%extreme
September Weather30°C (86°F)1 mm (0.0 inches)41%extreme
October Weather30°C (87°F)6 mm (0.2 inches)38%extreme
November Weather30°C (86°F)44 mm (1.7 inches)43%extreme
December Weather29°C (85°F)52 mm (2.1 inches)67%extreme

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