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September Weather in Altania, Brazil

Last updated: August 22, 2025

In Altania, Brazil, the average temperature in September is a pleasant 24°C (76°F). Visitors can expect temperature ranges from a cool 11°C (52°F) to a warm 37°C (98°F). During this month, rainfall is moderate, with an average precipitation of 48 mm (1.9 in) over approximately 5 days. Overall, the climate boasts an average humidity of 42%, making it an ideal time to explore the region!

September Temperature in Altania

In September in Altania, the average temperature is a pleasant 24°C (76°F). Maximum temperatures can reach a scorching 37°C (98°F), while minimums can drop to a cool 11°C (52°F). This weather makes it an ideal time for travelers who enjoy warm days and cooler evenings.

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

The chart illustrates September temperature patterns in Altania, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Altania, September typically has an average temperature of 24°C (76°F), with highs reaching up to 37°C (98°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec808079757067666875777880
Data source: Temperature data for Altania 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 Altania

In Altania in September, the precipitation amount is 48 mm (1.9 in) spread over the course of 5 days.

September Precipitation Trends in Altania

The chart displays monthly precipitation patterns in Altania, 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 Altania, September typically receives around 48 mm (1.9 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec14512611051107100211114815781162
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Altania

In Altania in September humidity is 42%. With an average temperature of 24°C (76°F), this humidity feels like a pleasant embrace, making it ideal for exploring the local sights without feeling overly sticky or uncomfortable.

September Average Humidity in Altania

This chart illustrates the average monthly humidity levels in Altania, 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 Altania is approximately 42%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%83%82%76%67%61%52%42%42%43%68%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Altania

In Altania in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Altania.

Maximum UV Index Levels in Altania for September

The chart shows the monthly maximum UV Index (UVI) for Altania 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 Altania typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15141311867911131415
Data source: Altania 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 Altania Compares to Other Months

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

This table compares monthly weather conditions in Altania, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (80°F)145 mm (5.7 inches)85%extreme
February Weather27°C (80°F)126 mm (4.9 inches)83%extreme
March Weather26°C (79°F)110 mm (4.3 inches)82%extreme
April Weather24°C (75°F)51 mm (2.0 inches)76%extreme
May Weather21°C (70°F)107 mm (4.2 inches)67%very high
June Weather19°C (67°F)100 mm (3.9 inches)61%high
July Weather19°C (66°F)21 mm (0.8 inches)52%high
August Weather20°C (68°F)111 mm (4.4 inches)42%very high
September Weather24°C (76°F)48 mm (1.9 inches)42%extreme
October Weather25°C (77°F)157 mm (6.2 inches)43%extreme
November Weather26°C (79°F)81 mm (3.2 inches)68%extreme
December Weather26°C (80°F)162 mm (6.4 inches)84%extreme

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