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September Weather in Mactun, Mexico

Last updated: August 27, 2025

In Mactun, Mexico, the average temperature in September hovers around 28°C (82°F). The climate can be quite variable, with minimums dipping to 22°C (71°F) and maxima soaring up to 38°C (100°F). Expect 233 mm (9.2 in) of precipitation spread over 24 days, contributing to an average humidity level of 77%. Prepare accordingly for a warm and humid experience!

September Temperature in Mactun

In September in Mactun, the average temperature is 28°C (82°F). Maximums can reach 38°C (100°F) and minimums can be as low as 22°C (71°F). Travelers should be prepared for warm weather and stay hydrated while exploring.

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

The chart illustrates September temperature patterns in Mactun, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mactun, September typically has an average temperature of 28°C (82°F), with highs reaching up to 38°C (100°F) and lows dropping to around 22°C (71°F).
JanFebMarAprMayJunJulAugSepOctNovDec747881868883838382807675
Data source: Temperature data for Mactun 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 Mactun

In Mactun in September, the precipitation amount is 233 mm (9.2 in) during a span of 24 days.

September Precipitation Trends in Mactun

The chart displays monthly precipitation patterns in Mactun, 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 Mactun, September typically receives around 233 mm (9.2 inches) of precipitation spread over approximately 24 days.
JanFebMarAprMayJunJulAugSepOctNovDec492321439729710716923322810242
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Mactun

In Mactun in September humidity is 77%. With an average temperature of 28°C (82°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities sticky and exhausting, but also offers a lush vibrancy to the landscape, perfect for enjoying leisurely strolls in the early morning or late afternoon.

September Average Humidity in Mactun

This chart illustrates the average monthly humidity levels in Mactun, 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 Mactun is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%73%59%53%54%55%61%71%77%78%82%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Mactun

In Mactun in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Mactun.

Maximum UV Index Levels in Mactun for September

The chart shows the monthly maximum UV Index (UVI) for Mactun 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 Mactun typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131413131313131298
Data source: Mactun 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 Mactun Compares to Other Months

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

This table compares monthly weather conditions in Mactun, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)49 mm (1.9 inches)84%very high
February Weather25°C (78°F)23 mm (0.9 inches)73%extreme
March Weather27°C (81°F)21 mm (0.8 inches)59%extreme
April Weather30°C (86°F)43 mm (1.7 inches)52%extreme
May Weather31°C (88°F)97 mm (3.8 inches)53%extreme
June Weather28°C (83°F)297 mm (11.7 inches)55%extreme
July Weather28°C (83°F)107 mm (4.2 inches)61%extreme
August Weather28°C (83°F)169 mm (6.7 inches)71%extreme
September Weather28°C (82°F)233 mm (9.2 inches)77%extreme
October Weather27°C (80°F)228 mm (9.0 inches)78%extreme
November Weather25°C (76°F)102 mm (4.0 inches)82%very high
December Weather24°C (75°F)42 mm (1.6 inches)86%very high

Compare Mactun's Climate with Cities Worldwide