September Weather in Pompeia, Brazil

Last updated: August 22, 2025

The average temperature in Pompeia, Brazil during September is a pleasant 26°C (78°F). However, be prepared for a temperature range that can dip as low as 12°C (53°F) and soar up to a scorching 41°C (105°F). During this month, you can expect a precipitation amount of 27 mm (1.0 in) over approximately 4 days, contributing to an average humidity of about 47%.

September Temperature in Pompeia

In September, in Pompeia, the average temperature is 26°C (78°F). The maximum can reach 41°C (105°F), and the minimum can be as low as 12°C (53°F). This wide temperature range makes it essential for travelers to pack accordingly, ensuring comfort during both hot and cooler moments of the day.

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

The chart illustrates September temperature patterns in Pompeia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pompeia, September typically has an average temperature of 26°C (78°F), with highs reaching up to 41°C (105°F) and lows dropping to around 12°C (53°F).
JanFebMarAprMayJunJulAugSepOctNovDec797879757170697178787879
Data source: Temperature data for Pompeia generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Pompeia

In Pompeia in September, the precipitation amount is 27 mm (1.0 in) over the course of 4 days.

September Precipitation Trends in Pompeia

The chart displays monthly precipitation patterns in Pompeia, 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 Pompeia, September typically receives around 27 mm (1.0 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec1721458746352064227106109131
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Pompeia

In Pompeia in September humidity is 47%. With an average temperature of 26°C (78°F), this humidity feels like a warm embrace, making it comfortable for exploring the sights without feeling overly sticky or uncomfortable.

September Average Humidity in Pompeia

This chart illustrates the average monthly humidity levels in Pompeia, 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 Pompeia is approximately 47%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%81%81%75%68%64%59%49%47%44%68%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Pompeia

In Pompeia in September, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Pompeia.

Maximum UV Index Levels in Pompeia for September

The chart shows the monthly maximum UV Index (UVI) for Pompeia 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 Pompeia typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151513118771012141416
Data source: Pompeia 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 Pompeia Compares to Other Months

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

This table compares monthly weather conditions in Pompeia, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)172 mm (6.8 inches)84%extreme
February Weather26°C (79°F)145 mm (5.7 inches)81%extreme
March Weather26°C (79°F)87 mm (3.4 inches)81%extreme
April Weather24°C (76°F)46 mm (1.8 inches)75%extreme
May Weather22°C (71°F)35 mm (1.4 inches)68%very high
June Weather21°C (70°F)20 mm (0.8 inches)64%high
July Weather21°C (69°F)5 mm (0.2 inches)58%high
August Weather21°C (71°F)42 mm (1.7 inches)49%very high
September Weather26°C (78°F)27 mm (1.0 inches)47%extreme
October Weather26°C (78°F)106 mm (4.2 inches)44%extreme
November Weather26°C (78°F)109 mm (4.3 inches)68%extreme
December Weather26°C (79°F)131 mm (5.2 inches)82%extreme

Compare Pompeia's Climate with Cities Worldwide