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September Weather in Rio Bravo, Mexico

Last updated: August 27, 2025

In Rio Bravo, Mexico, the average temperature in September hovers around 27°C (82°F). This warm climate experiences a range of temperatures, with minimums dipping to 13°C (55°F) and maximums soaring up to 41°C (106°F). During this month, expect 110 mm (4.3 in) of precipitation spread over 10 days, along with an average humidity of 68%.

September Temperature in Rio Bravo

In September in Rio Bravo, the average temperature is 27°C (82°F). Maximum temperatures can reach 41°C (106°F), while minimums can drop as low as 13°C (55°F). Be prepared for a wide range of temperatures and pack accordingly for your travels!

September Weather in Rio Bravo: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Rio Bravo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rio Bravo, September typically has an average temperature of 27°C (82°F), with highs reaching up to 41°C (106°F) and lows dropping to around 13°C (55°F).
JanFebMarAprMayJunJulAugSepOctNovDec555968748185878781736358
Data source: Temperature data for Rio Bravo 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 Rio Bravo

In Rio Bravo in September, the precipitation amount is 110 mm (4.3 in) over a period of 10 days.

September Precipitation Trends in Rio Bravo

The chart displays monthly precipitation patterns in Rio Bravo, 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 Rio Bravo, September typically receives around 110 mm (4.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec1213193096425436110551617
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Rio Bravo

In Rio Bravo in September, humidity is 68%. With an average temperature of 27°C (82°F), this humidity feels like a warm, sticky embrace that can make exploring the area a bit uncomfortable. Travelers may find themselves sweating more than usual, so staying hydrated and taking breaks in shaded areas will be essential for a pleasant experience.

September Average Humidity in Rio Bravo

This chart illustrates the average monthly humidity levels in Rio Bravo, 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 Rio Bravo is approximately 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%75%70%73%79%78%65%55%68%77%84%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Rio Bravo

In Rio Bravo 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 Rio Bravo.

Maximum UV Index Levels in Rio Bravo for September

The chart shows the monthly maximum UV Index (UVI) for Rio Bravo 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 Rio Bravo typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec6810111112121211975
Data source: Rio Bravo 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 Rio Bravo Compares to Other Months

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

This table compares monthly weather conditions in Rio Bravo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather13°C (55°F)12 mm (0.5 inches)76%high
February Weather15°C (60°F)13 mm (0.5 inches)75%very high
March Weather20°C (69°F)19 mm (0.7 inches)70%very high
April Weather24°C (75°F)30 mm (1.2 inches)73%extreme
May Weather27°C (81°F)96 mm (3.8 inches)79%extreme
June Weather29°C (85°F)42 mm (1.6 inches)78%extreme
July Weather30°C (87°F)54 mm (2.1 inches)65%extreme
August Weather31°C (87°F)36 mm (1.4 inches)55%extreme
September Weather27°C (82°F)110 mm (4.3 inches)68%extreme
October Weather23°C (73°F)54 mm (2.1 inches)77%very high
November Weather17°C (63°F)16 mm (0.6 inches)84%high
December Weather14°C (58°F)17 mm (0.7 inches)87%moderate

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