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September Weather in San Juan Achiutla, Mexico

Last updated: August 27, 2025

In September, the average temperature in San Juan Achiutla, Mexico hovers around 17°C (62°F). Expect a range of 9°C (49°F) as the minimum and 27°C (80°F) at its warmest. During this month, you can anticipate 288 mm (11.3 in) of precipitation spread over approximately 25 days, contributing to a high average humidity of 82%. Stay prepared for a mix of weather!

September Temperature in San Juan Achiutla

In September in San Juan Achiutla, the average temperature is 17°C (62°F). The maximum can reach 27°C (80°F), while the minimum can drop as low as 9°C (49°F). Be prepared for mild days and cooler evenings, making it a great time for outdoor adventures.

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

The chart illustrates September temperature patterns in San Juan Achiutla, 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 Achiutla, September typically has an average temperature of 17°C (62°F), with highs reaching up to 27°C (80°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec576063646563626262615958
Data source: Temperature data for San Juan Achiutla 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 Achiutla

In San Juan Achiutla in September, the total precipitation amount is 288 mm (11.3 in) spread over 25 days.

September Precipitation Trends in San Juan Achiutla

The chart displays monthly precipitation patterns in San Juan Achiutla, 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 Achiutla, September typically receives around 288 mm (11.3 inches) of precipitation spread over approximately 25 days.
JanFebMarAprMayJunJulAugSepOctNovDec1131944121268191264288132206
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Juan Achiutla

In San Juan Achiutla in September, humidity is 82%. With an average temperature of 17°C (62°F), this humidity feels like a thick blanket enveloping you, making every step feel heavier and the air thicker, which can be quite exhausting for traveling.

September Average Humidity in San Juan Achiutla

This chart illustrates the average monthly humidity levels in San Juan Achiutla, 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 Achiutla 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 Achiutla

In San Juan Achiutla 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 Achiutla, you can check here.

Maximum UV Index Levels in San Juan Achiutla for September

The chart shows the monthly maximum UV Index (UVI) for San Juan Achiutla 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 Achiutla typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec11131515151515141413119
Data source: San Juan Achiutla 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 Achiutla Compares to Other Months

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

This table compares monthly weather conditions in San Juan Achiutla, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather14°C (58°F)11 mm (0.4 inches)65%extreme
February Weather16°C (60°F)3 mm (0.1 inches)61%extreme
March Weather17°C (63°F)19 mm (0.7 inches)59%extreme
April Weather18°C (64°F)44 mm (1.7 inches)62%extreme
May Weather18°C (65°F)121 mm (4.8 inches)73%extreme
June Weather17°C (63°F)268 mm (10.5 inches)78%extreme
July Weather17°C (62°F)191 mm (7.5 inches)79%extreme
August Weather17°C (62°F)264 mm (10.4 inches)82%extreme
September Weather17°C (62°F)288 mm (11.3 inches)82%extreme
October Weather16°C (62°F)132 mm (5.2 inches)79%extreme
November Weather15°C (60°F)20 mm (0.8 inches)72%extreme
December Weather15°C (58°F)6 mm (0.2 inches)70%very high

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