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September Weather in Mesa Tres Rios, Mexico

Last updated: August 27, 2025

In September, the average temperature in Mesa Tres Rios, Mexico is a pleasant 21°C (70°F). However, temperatures can fluctuate, with minimums dipping to 9°C (48°F) and maximums soaring to 33°C (92°F). Expect some rain, as precipitation averages around 91 mm (3.6 in) over 10 days, paired with a relatively high humidity level of 82%. Whether you're basking in the warmth or dodging the showers, Mesa Tres Rios has a diverse climate to experience!

September Temperature in Mesa Tres Rios

In September in Mesa Tres Rios, the average temperature is 21°C (70°F), with maximums reaching up to 33°C (92°F) and minimums dropping as low as 9°C (48°F). This range makes it an ideal time for travelers who enjoy mild weather and the opportunity for various outdoor activities.

September Weather in Mesa Tres Rios: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Mesa Tres Rios, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mesa Tres Rios, September typically has an average temperature of 21°C (70°F), with highs reaching up to 33°C (92°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec474955636977737270645648
Data source: Temperature data for Mesa Tres Rios 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 Mesa Tres Rios

In Mesa Tres Rios in September, the precipitation amount totals 91 mm (3.6 in) over a span of 10 days.

September Precipitation Trends in Mesa Tres Rios

The chart displays monthly precipitation patterns in Mesa Tres Rios, 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 Mesa Tres Rios, September typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec455448662821117791465251
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Mesa Tres Rios

In Mesa Tres Rios in September, humidity is 82%. With an average temperature of 21°C (70°F), this humidity feels like a warm, sticky embrace that can quickly lead to discomfort for travelers, making outdoor activities less enjoyable and requiring frequent breaks for hydration.

September Average Humidity in Mesa Tres Rios

This chart illustrates the average monthly humidity levels in Mesa Tres Rios, 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 Mesa Tres Rios is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%69%63%50%39%36%60%78%82%76%80%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Mesa Tres Rios

In Mesa Tres Rios 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 Mesa Tres Rios.

Maximum UV Index Levels in Mesa Tres Rios for September

The chart shows the monthly maximum UV Index (UVI) for Mesa Tres Rios 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 Mesa Tres Rios typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec6810121213121211975
Data source: Mesa Tres Rios 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 Mesa Tres Rios Compares to Other Months

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

This table compares monthly weather conditions in Mesa Tres Rios, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)45 mm (1.8 inches)78%high
February Weather10°C (50°F)54 mm (2.1 inches)69%very high
March Weather13°C (55°F)47 mm (1.9 inches)63%very high
April Weather17°C (63°F)6 mm (0.2 inches)49%extreme
May Weather21°C (69°F)6 mm (0.2 inches)39%extreme
June Weather25°C (77°F)28 mm (1.1 inches)36%extreme
July Weather23°C (73°F)211 mm (8.3 inches)60%extreme
August Weather22°C (72°F)177 mm (7.0 inches)78%extreme
September Weather21°C (70°F)91 mm (3.6 inches)82%extreme
October Weather18°C (64°F)46 mm (1.8 inches)76%very high
November Weather13°C (56°F)52 mm (2.0 inches)80%high
December Weather9°C (48°F)51 mm (2.0 inches)85%moderate

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