nomadseason

September Weather in Santiago Yolomecatl, Mexico

Last updated: August 27, 2025

In September, the average temperature in Santiago Yolomecatl, Mexico hovers around 16°C (62°F), with a minimum dipping to 9°C (49°F) and a maximum reaching up to 26°C (78°F). Expect 301 mm (11.9 in) of precipitation over approximately 25 days, contributing to an average humidity level of 82%. This blend of warmth and moisture makes for a vibrant atmosphere in Santiago Yolomecatl during this time of year!

September Temperature in Santiago Yolomecatl

In September in Santiago Yolomecatl, the average temperature is 16°C (62°F). Maximums can reach 26°C (78°F), while minimums can be as low as 9°C (49°F). This moderate climate makes Santiago Yolomecatl an ideal destination for travelers seeking comfortable weather for outdoor activities.

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

The chart illustrates September temperature patterns in Santiago Yolomecatl, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santiago Yolomecatl, September typically has an average temperature of 16°C (62°F), with highs reaching up to 26°C (78°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec565962646562616161615857
Data source: Temperature data for Santiago Yolomecatl generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Santiago Yolomecatl

In Santiago Yolomecatl in September, the total precipitation amount is 301 mm (11.9 in) over the course of 25 days.

September Precipitation Trends in Santiago Yolomecatl

The chart displays monthly precipitation patterns in Santiago Yolomecatl, 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 Yolomecatl, September typically receives around 301 mm (11.9 inches) of precipitation spread over approximately 25 days.
JanFebMarAprMayJunJulAugSepOctNovDec1141643115288173244301126204
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Santiago Yolomecatl

In Santiago Yolomecatl in September, humidity is 82%. With an average temperature of 16°C (62°F), this humidity feels like a blanket of warmth enveloping you, making traveling feel sticky and heavy as you navigate through the air.

September Average Humidity in Santiago Yolomecatl

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

In Santiago Yolomecatl 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 Yolomecatl, you can check here.

Maximum UV Index Levels in Santiago Yolomecatl for September

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

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

This table compares monthly weather conditions in Santiago Yolomecatl, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather13°C (56°F)11 mm (0.4 inches)65%extreme
February Weather15°C (60°F)4 mm (0.1 inches)61%extreme
March Weather17°C (62°F)16 mm (0.6 inches)59%extreme
April Weather18°C (64°F)43 mm (1.7 inches)62%extreme
May Weather18°C (65°F)115 mm (4.5 inches)73%extreme
June Weather17°C (63°F)288 mm (11.4 inches)78%extreme
July Weather16°C (62°F)173 mm (6.8 inches)79%extreme
August Weather16°C (62°F)244 mm (9.6 inches)82%extreme
September Weather16°C (62°F)301 mm (11.9 inches)82%extreme
October Weather16°C (61°F)126 mm (5.0 inches)79%extreme
November Weather14°C (58°F)20 mm (0.8 inches)72%extreme
December Weather14°C (57°F)4 mm (0.2 inches)70%very high

Compare Santiago Yolomecatl's Climate with Cities Worldwide