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September Weather in Barretal, Mexico

Last updated: August 27, 2025

In September, the average temperature in Barretal, Mexico is a pleasant 26°C (79°F). However, you can expect a range of temperatures, with a minimum of 17°C (62°F) and soaring highs of 39°C (103°F). Be prepared for some moisture, as 132 mm (5.2 in) of precipitation typically falls over 13 days. With an average humidity level of 80%, it's a season marked by warmth and a touch of tropical flair.

September Temperature in Barretal

In September in Barretal, the average temperature is 26°C (79°F), with maximums reaching up to 39°C (103°F) and minimums dropping as low as 17°C (62°F). This makes it an ideal time for travelers to enjoy warm weather while being prepared for occasional cooler evenings.

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

The chart illustrates September temperature patterns in Barretal, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Barretal, September typically has an average temperature of 26°C (79°F), with highs reaching up to 39°C (103°F) and lows dropping to around 17°C (62°F).
JanFebMarAprMayJunJulAugSepOctNovDec606470758081838479746762
Data source: Temperature data for Barretal 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 Barretal

In Barretal in September, the precipitation amount is 132 mm (5.2 in) over the course of 13 days.

September Precipitation Trends in Barretal

The chart displays monthly precipitation patterns in Barretal, 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 Barretal, September typically receives around 132 mm (5.2 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec22284874126758131132822218
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Barretal

In Barretal in September humidity is 80%. With an average temperature of 26°C (79°F), this humidity feels like a heavy blanket, making outdoor activities feel sticky and exhausting, potentially dampening the travel experience and necessitating frequent breaks to cool down and hydrate.

September Average Humidity in Barretal

This chart illustrates the average monthly humidity levels in Barretal, 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 Barretal is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%83%84%85%79%71%72%80%85%88%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Barretal

In Barretal 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 Barretal.

Maximum UV Index Levels in Barretal for September

The chart shows the monthly maximum UV Index (UVI) for Barretal 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 Barretal typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec79111212121313121086
Data source: Barretal 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 Barretal Compares to Other Months

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

This table compares monthly weather conditions in Barretal, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather16°C (61°F)22 mm (0.9 inches)87%high
February Weather18°C (65°F)28 mm (1.1 inches)85%very high
March Weather21°C (70°F)48 mm (1.9 inches)83%extreme
April Weather24°C (75°F)74 mm (2.9 inches)84%extreme
May Weather27°C (80°F)126 mm (5.0 inches)85%extreme
June Weather27°C (82°F)75 mm (2.9 inches)79%extreme
July Weather28°C (83°F)81 mm (3.2 inches)71%extreme
August Weather29°C (84°F)31 mm (1.2 inches)72%extreme
September Weather26°C (79°F)132 mm (5.2 inches)80%extreme
October Weather23°C (74°F)82 mm (3.2 inches)85%very high
November Weather19°C (67°F)22 mm (0.9 inches)88%very high
December Weather17°C (63°F)18 mm (0.7 inches)89%high

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