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September Weather in Santiago Amoltepec, Mexico

Last updated: August 27, 2025

In September, the average temperature in Santiago Amoltepec, Mexico hovers around 19°C (67°F). Visitors can expect a comfortable range, with minimums dipping to 13°C (56°F) and maximums peaking at 29°C (85°F). However, prepare for a splash of rain, as precipitation amounts reach 443 mm (17.4 in) over 29 days. Don't forget, the atmosphere is quite humid, averaging 82% humidity—perfect for lush greenery but a reminder to stay hydrated!

September Temperature in Santiago Amoltepec

In September in Santiago Amoltepec, the average temperature is 19°C (67°F). Maximums can reach 29°C (85°F), while minimums can drop to as low as 13°C (56°F). This makes it an ideal time for travelers to enjoy pleasant weather and outdoor activities.

September Weather in Santiago Amoltepec: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Santiago Amoltepec, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santiago Amoltepec, September typically has an average temperature of 19°C (67°F), with highs reaching up to 29°C (85°F) and lows dropping to around 13°C (56°F).
JanFebMarAprMayJunJulAugSepOctNovDec646668696967676767676665
Data source: Temperature data for Santiago Amoltepec 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 Santiago Amoltepec

In Santiago Amoltepec in September, the precipitation amount is 443 mm (17.4 in) spread over 29 days.

September Precipitation Trends in Santiago Amoltepec

The chart displays monthly precipitation patterns in Santiago Amoltepec, 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 Santiago Amoltepec, September typically receives around 443 mm (17.4 inches) of precipitation spread over approximately 29 days.
JanFebMarAprMayJunJulAugSepOctNovDec11426481983723094164432353717
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Santiago Amoltepec

In Santiago Amoltepec in September humidity is 82%. With an average temperature of 19°C (67°F), this humidity feels like a heavy blanket wrapping around you, making each step feel sluggish and the air thick as you explore the sights.

September Average Humidity in Santiago Amoltepec

This chart illustrates the average monthly humidity levels in Santiago Amoltepec, 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 Santiago Amoltepec 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 Santiago Amoltepec

In Santiago Amoltepec 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 Santiago Amoltepec, you can check here.

Maximum UV Index Levels in Santiago Amoltepec for September

The chart shows the monthly maximum UV Index (UVI) for Santiago Amoltepec 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 Santiago Amoltepec typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10131415151414141412109
Data source: Santiago Amoltepec 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 Santiago Amoltepec Compares to Other Months

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

This table compares monthly weather conditions in Santiago Amoltepec, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather18°C (65°F)11 mm (0.4 inches)65%very high
February Weather19°C (67°F)4 mm (0.2 inches)61%extreme
March Weather20°C (69°F)26 mm (1.0 inches)59%extreme
April Weather21°C (70°F)48 mm (1.9 inches)62%extreme
May Weather21°C (70°F)198 mm (7.8 inches)73%extreme
June Weather20°C (68°F)372 mm (14.6 inches)78%extreme
July Weather20°C (68°F)309 mm (12.2 inches)79%extreme
August Weather20°C (67°F)416 mm (16.4 inches)82%extreme
September Weather19°C (67°F)443 mm (17.4 inches)82%extreme
October Weather19°C (67°F)235 mm (9.3 inches)79%extreme
November Weather19°C (66°F)37 mm (1.4 inches)72%very high
December Weather18°C (65°F)17 mm (0.7 inches)70%very high

Compare Santiago Amoltepec's Climate with Cities Worldwide