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September Weather in Atasta, Mexico

Last updated: August 27, 2025

In September, the average temperature in Atasta, Mexico hovers around 28°C (83°F). You can expect minimum temperatures of about 24°C (75°F) and soaring maximums reaching 35°C (96°F). This month also brings 200 mm (7.9 in) of precipitation across 22 days, resulting in a high average humidity of 80%. Be prepared for a warm and humid atmosphere!

September Temperature in Atasta

In September in Atasta, the average temperature is 28°C (83°F). Maximums can reach 35°C (96°F) and minimums can be as low as 24°C (75°F). This mild and warm climate makes Atasta an ideal destination for travelers seeking pleasant weather.

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

The chart illustrates September temperature patterns in Atasta, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Atasta, September typically has an average temperature of 28°C (83°F), with highs reaching up to 35°C (96°F) and lows dropping to around 24°C (75°F).
JanFebMarAprMayJunJulAugSepOctNovDec757881848784848483817876
Data source: Temperature data for Atasta 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 Atasta

In Atasta in September, the precipitation amount is 200 mm (7.9 in) over the course of 22 days.

September Precipitation Trends in Atasta

The chart displays monthly precipitation patterns in Atasta, 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 Atasta, September typically receives around 200 mm (7.9 inches) of precipitation spread over approximately 22 days.
JanFebMarAprMayJunJulAugSepOctNovDec45181726532728211920024712047
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Atasta

In Atasta in September, humidity is 80%. With an average temperature of 28°C (83°F), this humidity feels like a thick blanket enveloping you, making travel feel sluggish and sticky, as every movement generates a sheen of perspiration that clings to your skin.

September Average Humidity in Atasta

This chart illustrates the average monthly humidity levels in Atasta, 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 Atasta is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%73%64%61%60%59%64%76%80%82%83%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Atasta

In Atasta 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 Atasta.

Maximum UV Index Levels in Atasta for September

The chart shows the monthly maximum UV Index (UVI) for Atasta 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 Atasta typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131313131313121198
Data source: Atasta 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 Atasta Compares to Other Months

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

This table compares monthly weather conditions in Atasta, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)45 mm (1.8 inches)78%very high
February Weather26°C (78°F)18 mm (0.7 inches)73%extreme
March Weather27°C (81°F)17 mm (0.7 inches)64%extreme
April Weather29°C (85°F)25 mm (1.0 inches)61%extreme
May Weather30°C (87°F)53 mm (2.1 inches)59%extreme
June Weather29°C (84°F)272 mm (10.7 inches)59%extreme
July Weather29°C (84°F)82 mm (3.2 inches)64%extreme
August Weather29°C (84°F)118 mm (4.7 inches)76%extreme
September Weather28°C (83°F)200 mm (7.9 inches)80%extreme
October Weather27°C (81°F)247 mm (9.7 inches)82%extreme
November Weather26°C (78°F)120 mm (4.7 inches)83%very high
December Weather24°C (76°F)47 mm (1.9 inches)84%very high

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