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September Weather in Santa Branca, Brazil

Last updated: August 22, 2025

In September, the average temperature in Santa Branca, Brazil is a pleasant 20°C (68°F), making it an ideal time to explore. However, temperatures can range from a cool 10°C (51°F) to a sizzling 35°C (95°F). Expect 50 mm (2.0 in) of precipitation over about 9 days, contributing to an average humidity of 58%. Whether you're soaking up the sun or enjoying a refreshing shower, there's plenty to experience this month!

September Temperature in Santa Branca

In September in Santa Branca, the average temperature is 20°C (68°F). Maximum temperatures can reach 35°C (95°F), while the minimum can drop as low as 10°C (51°F). It's an ideal time for travelers looking to enjoy mild weather with warm days and cooler evenings.

September Weather in Santa Branca: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Santa Branca, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Branca, September typically has an average temperature of 20°C (68°F), with highs reaching up to 35°C (95°F) and lows dropping to around 10°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec747373696564626368696972
Data source: Temperature data for Santa Branca 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 Santa Branca

In Santa Branca in September, the precipitation amount is 50 mm (2.0 in) over the course of 9 days.

September Precipitation Trends in Santa Branca

The chart displays monthly precipitation patterns in Santa Branca, 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 Santa Branca, September typically receives around 50 mm (2.0 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec204190156655844296350131133162
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Santa Branca

In Santa Branca in September humidity is 58%. With an average temperature of 20°C (68°F), this humidity feels like a refreshing embrace, creating a comfortable atmosphere for exploring the local sights and enjoying leisurely walks outdoors.

September Average Humidity in Santa Branca

This chart illustrates the average monthly humidity levels in Santa Branca, 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 Santa Branca is approximately 58%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%88%84%79%77%72%65%58%50%75%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Santa Branca

In Santa Branca 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 Santa Branca.

Maximum UV Index Levels in Santa Branca for September

The chart shows the monthly maximum UV Index (UVI) for Santa Branca 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 Santa Branca typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec16151211867911131415
Data source: Santa Branca 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 Santa Branca Compares to Other Months

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

This table compares monthly weather conditions in Santa Branca, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (75°F)204 mm (8.0 inches)88%extreme
February Weather23°C (73°F)190 mm (7.5 inches)88%extreme
March Weather23°C (73°F)156 mm (6.2 inches)87%extreme
April Weather20°C (69°F)65 mm (2.6 inches)84%extreme
May Weather18°C (65°F)58 mm (2.3 inches)79%very high
June Weather18°C (64°F)44 mm (1.7 inches)77%high
July Weather16°C (62°F)29 mm (1.2 inches)72%high
August Weather17°C (63°F)63 mm (2.5 inches)65%very high
September Weather20°C (68°F)50 mm (2.0 inches)58%extreme
October Weather21°C (70°F)131 mm (5.2 inches)50%extreme
November Weather21°C (69°F)133 mm (5.2 inches)75%extreme
December Weather22°C (72°F)162 mm (6.4 inches)80%extreme

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