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September Weather in Sonoita, Mexico

Last updated: August 27, 2025

In September, the average temperature in Sonoita, Mexico reaches a warm 30°C (86°F). Expect fluctuations, with minimum temperatures dipping to 14°C (58°F) and highs soaring up to 45°C (112°F). The region sees 16 mm (0.6 in) of precipitation over 3 days, complemented by an average humidity of 57%.

September Temperature in Sonoita

In September in Sonoita, the average temperature is 30°C (86°F). Maximums can reach 45°C (112°F) and minimums can be as low as 14°C (58°F). Travelers should be prepared for hot days and cooler nights, ensuring they stay hydrated and bring layers for the evening chill.

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

The chart illustrates September temperature patterns in Sonoita, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sonoita, September typically has an average temperature of 30°C (86°F), with highs reaching up to 45°C (112°F) and lows dropping to around 14°C (58°F).
JanFebMarAprMayJunJulAugSepOctNovDec575864727786909086766757
Data source: Temperature data for Sonoita 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 Sonoita

In Sonoita in September, the precipitation amount is 16 mm (0.6 in), spread over a duration of 3 days.

September Precipitation Trends in Sonoita

The chart displays monthly precipitation patterns in Sonoita, 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 Sonoita, September typically receives around 16 mm (0.6 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec202214226312816111015
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sonoita

In Sonoita in September, humidity is 57%. With an average temperature of 30°C (86°F), this humidity feels like a warm embrace, intensifying the heat and making travel slightly more exhausting, yet providing a tropical ambiance that invites exploration.

September Average Humidity in Sonoita

This chart illustrates the average monthly humidity levels in Sonoita, 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 Sonoita is approximately 57%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec71%73%57%42%32%31%31%40%57%63%71%77%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sonoita

In Sonoita 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 Sonoita.

Maximum UV Index Levels in Sonoita for September

The chart shows the monthly maximum UV Index (UVI) for Sonoita 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 Sonoita typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec579111212121111865
Data source: Sonoita 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 Sonoita Compares to Other Months

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

This table compares monthly weather conditions in Sonoita, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather14°C (57°F)20 mm (0.8 inches)71%moderate
February Weather15°C (58°F)22 mm (0.9 inches)73%high
March Weather18°C (65°F)14 mm (0.5 inches)56%very high
April Weather22°C (73°F)2 mm (0.1 inches)42%extreme
May Weather25°C (77°F)2 mm (0.1 inches)32%extreme
June Weather30°C (86°F)6 mm (0.2 inches)31%extreme
July Weather32°C (90°F)31 mm (1.2 inches)30%extreme
August Weather32°C (91°F)28 mm (1.1 inches)40%extreme
September Weather30°C (86°F)16 mm (0.6 inches)57%extreme
October Weather24°C (76°F)11 mm (0.4 inches)62%very high
November Weather20°C (67°F)10 mm (0.4 inches)71%high
December Weather14°C (58°F)15 mm (0.6 inches)77%moderate

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