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September Weather in Sao Manuel, Brazil

Last updated: August 22, 2025

The average temperature in Sao Manuel, Brazil during September is a pleasant 23°C (73°F). However, expect min temperatures to drop to 10°C (50°F), while the max can soar up to 37°C (100°F). With precipitation totaling 24 mm (1.0 in) over about 5 days, and an average humidity of 54%, this month presents a varied yet inviting climate.

September Temperature in Sao Manuel

In September in Sao Manuel, the average temperature is 23°C (73°F). Maximum can reach 37°C (100°F), and the minimum can be as low as 10°C (50°F). This makes Sao Manuel an ideal destination for travelers seeking warm weather during the day but cool evenings for relaxation.

September Weather in Sao Manuel: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Sao Manuel, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sao Manuel, September typically has an average temperature of 23°C (73°F), with highs reaching up to 37°C (100°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec767676726867656673747476
Data source: Temperature data for Sao Manuel 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 Sao Manuel

In Sao Manuel in September, the precipitation amount is 24 mm (1.0 in) spread over the course of 5 days.

September Precipitation Trends in Sao Manuel

The chart displays monthly precipitation patterns in Sao Manuel, 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 Sao Manuel, September typically receives around 24 mm (1.0 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec20314810250372613542493118126
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sao Manuel

In Sao Manuel in September humidity is 54%. With an average temperature of 23°C (73°F), this humidity feels like a refreshing embrace, making it quite comfortable for traveling, as the mild heat is balanced by just enough moisture in the air to keep you feeling energized while exploring the sights.

September Average Humidity in Sao Manuel

This chart illustrates the average monthly humidity levels in Sao Manuel, 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 Sao Manuel is approximately 54%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%86%82%76%71%68%59%54%50%74%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sao Manuel

In Sao Manuel 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 Sao Manuel.

Maximum UV Index Levels in Sao Manuel for September

The chart shows the monthly maximum UV Index (UVI) for Sao Manuel 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 Sao Manuel typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151513118771012131416
Data source: Sao Manuel 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 Sao Manuel Compares to Other Months

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

This table compares monthly weather conditions in Sao Manuel, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (76°F)203 mm (8.0 inches)88%extreme
February Weather24°C (76°F)148 mm (5.8 inches)87%extreme
March Weather24°C (76°F)102 mm (4.0 inches)86%extreme
April Weather22°C (72°F)50 mm (2.0 inches)82%extreme
May Weather20°C (68°F)36 mm (1.4 inches)76%very high
June Weather19°C (67°F)26 mm (1.0 inches)71%high
July Weather18°C (65°F)13 mm (0.5 inches)67%high
August Weather19°C (67°F)54 mm (2.1 inches)59%very high
September Weather23°C (73°F)24 mm (1.0 inches)54%extreme
October Weather23°C (74°F)93 mm (3.7 inches)50%extreme
November Weather23°C (74°F)118 mm (4.7 inches)74%extreme
December Weather24°C (76°F)126 mm (5.0 inches)83%extreme

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