September Weather in San Juan Ihualtepec, Mexico

Last updated: August 27, 2025

In September, the average temperature in San Juan Ihualtepec, Mexico hovers around 22°C (72°F), making it a pleasant time to visit. Expect minimum temperatures to dip to 14°C (58°F) and can peak at a warm 33°C (91°F). However, be prepared for some rain, as 214 mm (8.4 in) of precipitation can be expected over 24 days. With an average humidity of 82%, you'll feel the tropical ambiance enveloping you!

September Temperature in San Juan Ihualtepec

In September in San Juan Ihualtepec, the average temperature is 22°C (72°F). Maximums can reach 33°C (91°F), while minimums can drop to 14°C (58°F). This mild climate makes San Juan Ihualtepec a perfect destination for traveling, offering comfortable conditions for exploration and outdoor activities.

September Weather in San Juan Ihualtepec: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Juan Ihualtepec, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Juan Ihualtepec, September typically has an average temperature of 22°C (72°F), with highs reaching up to 33°C (91°F) and lows dropping to around 14°C (58°F).
JanFebMarAprMayJunJulAugSepOctNovDec677174767774737372727068
Data source: Temperature data for San Juan Ihualtepec 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 San Juan Ihualtepec

In San Juan Ihualtepec in September, the precipitation amount is 214 mm (8.4 in) spread over 24 days.

September Precipitation Trends in San Juan Ihualtepec

The chart displays monthly precipitation patterns in San Juan Ihualtepec, 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 San Juan Ihualtepec, September typically receives around 214 mm (8.4 inches) of precipitation spread over approximately 24 days.
JanFebMarAprMayJunJulAugSepOctNovDec32594614511016021468112
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Juan Ihualtepec

In San Juan Ihualtepec in September humidity is 82%. With an average temperature of 22°C (72°F), this humidity feels like walking through a warm, damp blanket, making travel feel more exhausting and sticky as sweat clings to your skin, and every step seems to draw you into a slow, sultry embrace.

September Average Humidity in San Juan Ihualtepec

This chart illustrates the average monthly humidity levels in San Juan Ihualtepec, 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 San Juan Ihualtepec is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%61%59%62%73%78%79%82%82%79%72%70%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in San Juan Ihualtepec

In San Juan Ihualtepec in September, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in San Juan Ihualtepec, you can check here.

Maximum UV Index Levels in San Juan Ihualtepec for September

The chart shows the monthly maximum UV Index (UVI) for San Juan Ihualtepec 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 San Juan Ihualtepec typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121415151415141412109
Data source: San Juan Ihualtepec 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 San Juan Ihualtepec Compares to Other Months

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

This table compares monthly weather conditions in San Juan Ihualtepec, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather20°C (68°F)3 mm (0.1 inches)65%very high
February Weather21°C (71°F)2 mm (0.1 inches)61%extreme
March Weather23°C (74°F)5 mm (0.2 inches)59%extreme
April Weather25°C (77°F)9 mm (0.3 inches)62%extreme
May Weather25°C (77°F)46 mm (1.8 inches)73%extreme
June Weather23°C (74°F)145 mm (5.7 inches)78%extreme
July Weather23°C (73°F)110 mm (4.3 inches)79%extreme
August Weather23°C (73°F)160 mm (6.3 inches)82%extreme
September Weather22°C (72°F)214 mm (8.4 inches)82%extreme
October Weather22°C (72°F)68 mm (2.7 inches)79%extreme
November Weather21°C (70°F)11 mm (0.4 inches)72%very high
December Weather20°C (68°F)2 mm (0.1 inches)70%very high

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