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September Weather in Santiago Tilantongo, Mexico

Last updated: August 27, 2025

In September, the average temperature in Santiago Tilantongo, Mexico hovers around a pleasant 17°C (63°F). Expect a range with minimums dipping to 10°C (50°F) and maximums reaching up to 27°C (81°F). During this period, the region experiences approximately 273 mm (10.7 in) of precipitation over 23 days, contributing to an average humidity of 84%. Prepare for a mix of mild temperatures and a bit of wet weather!

September Temperature in Santiago Tilantongo

In September in Santiago Tilantongo, the average temperature is 17°C (63°F). Maximums can reach 27°C (81°F) and minimums can be as low as 10°C (50°F). This mild climate makes Santiago Tilantongo an ideal destination for outdoor activities and exploration during this time of year.

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

The chart illustrates September temperature patterns in Santiago Tilantongo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santiago Tilantongo, September typically has an average temperature of 17°C (63°F), with highs reaching up to 27°C (81°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec586164666764636363626058
Data source: Temperature data for Santiago Tilantongo 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 Tilantongo

In Santiago Tilantongo in September, the precipitation amount is 273 mm (10.7 in) over the course of 23 days.

September Precipitation Trends in Santiago Tilantongo

The chart displays monthly precipitation patterns in Santiago Tilantongo, 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 Tilantongo, September typically receives around 273 mm (10.7 inches) of precipitation spread over approximately 23 days.
JanFebMarAprMayJunJulAugSepOctNovDec52144682251152251273121175
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Santiago Tilantongo

In Santiago Tilantongo in September, humidity is 84%. With an average temperature of 17°C (63°F), this humidity feels like a warm, sticky embrace that can make traveling feel heavy and cumbersome, often leaving visitors yearning for refreshing breezes and shade.

September Average Humidity in Santiago Tilantongo

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

In Santiago Tilantongo 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 Tilantongo, you can check here.

Maximum UV Index Levels in Santiago Tilantongo for September

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

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

This table compares monthly weather conditions in Santiago Tilantongo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather14°C (58°F)5 mm (0.2 inches)84%extreme
February Weather16°C (61°F)2 mm (0.1 inches)80%extreme
March Weather18°C (64°F)14 mm (0.5 inches)73%extreme
April Weather19°C (66°F)46 mm (1.8 inches)67%extreme
May Weather19°C (67°F)82 mm (3.2 inches)72%extreme
June Weather18°C (64°F)251 mm (9.9 inches)73%extreme
July Weather17°C (63°F)152 mm (6.0 inches)76%extreme
August Weather17°C (63°F)251 mm (9.9 inches)80%extreme
September Weather17°C (63°F)273 mm (10.7 inches)84%extreme
October Weather17°C (62°F)121 mm (4.8 inches)89%extreme
November Weather15°C (60°F)17 mm (0.7 inches)88%extreme
December Weather15°C (59°F)5 mm (0.2 inches)88%very high

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