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September Weather in Santiago Quetzalapa, Mexico

Last updated: August 27, 2025

In September, the average temperature in Santiago Quetzalapa, Mexico hovers around 19°C (67°F). Expect a minimum of 13°C (55°F) and a comfortable maximum of 28°C (83°F). Prepare for the wet season with 449 mm (17.7 in) of precipitation over 28 days, coupled with an average humidity level of 84%.

September Temperature in Santiago Quetzalapa

In September in Santiago Quetzalapa, the average temperature is 19°C (67°F). Maximum temperatures can reach 28°C (83°F), while minimums can drop to as low as 13°C (55°F). This mild climate makes Santiago Quetzalapa a comfortable destination for travelers seeking pleasant weather.

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

The chart illustrates September temperature patterns in Santiago Quetzalapa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santiago Quetzalapa, September typically has an average temperature of 19°C (67°F), with highs reaching up to 28°C (83°F) and lows dropping to around 13°C (55°F).
JanFebMarAprMayJunJulAugSepOctNovDec596264676967666666656159
Data source: Temperature data for Santiago Quetzalapa 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 Quetzalapa

In Santiago Quetzalapa in September, the total precipitation amount is 449 mm (17.7 in) distributed over a period of 28 days.

September Precipitation Trends in Santiago Quetzalapa

The chart displays monthly precipitation patterns in Santiago Quetzalapa, 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 Quetzalapa, September typically receives around 449 mm (17.7 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec5338446914438628140544930712038
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Santiago Quetzalapa

In Santiago Quetzalapa in September humidity is 84%. With an average temperature of 19°C (67°F), this humidity feels like a warm, sticky embrace that can make traveling somewhat uncomfortable, as the air becomes thick and heavy, often leaving you feeling fatigued and in need of constant hydration.

September Average Humidity in Santiago Quetzalapa

This chart illustrates the average monthly humidity levels in Santiago Quetzalapa, 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 Quetzalapa is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%80%73%67%72%73%76%80%84%89%88%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Santiago Quetzalapa

In Santiago Quetzalapa 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 Quetzalapa, you can check here.

Maximum UV Index Levels in Santiago Quetzalapa for September

The chart shows the monthly maximum UV Index (UVI) for Santiago Quetzalapa 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 Quetzalapa typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10131415151515141413109
Data source: Santiago Quetzalapa 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 Quetzalapa Compares to Other Months

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

This table compares monthly weather conditions in Santiago Quetzalapa, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather15°C (59°F)53 mm (2.1 inches)84%very high
February Weather16°C (62°F)38 mm (1.5 inches)80%extreme
March Weather18°C (64°F)43 mm (1.7 inches)73%extreme
April Weather20°C (68°F)69 mm (2.7 inches)67%extreme
May Weather20°C (69°F)144 mm (5.7 inches)72%extreme
June Weather20°C (67°F)386 mm (15.2 inches)73%extreme
July Weather19°C (66°F)281 mm (11.0 inches)76%extreme
August Weather19°C (66°F)405 mm (16.0 inches)80%extreme
September Weather19°C (67°F)449 mm (17.7 inches)84%extreme
October Weather18°C (65°F)307 mm (12.1 inches)89%extreme
November Weather16°C (62°F)120 mm (4.7 inches)88%very high
December Weather15°C (59°F)38 mm (1.5 inches)88%very high

Compare Santiago Quetzalapa's Climate with Cities Worldwide