nomadseason

September Weather in Santiago Yosondua, Mexico

Last updated: August 27, 2025

In Santiago Yosondua, Mexico, the average temperature in September is a comfortable 18°C (64°F), with a minimum of 11°C (52°F) and a pleasant maximum reaching 28°C (82°F). However, be prepared for frequent showers, as the area receives an average precipitation of 274 mm (10.8 in) over 25 days. The humidity is relatively high, averaging at 82%, adding to the region's lush and vibrant atmosphere.

September Temperature in Santiago Yosondua

In September in Santiago Yosondua, the average temperature is 18°C (64°F). Maximums can reach 28°C (82°F) and minimums can be as low as 11°C (52°F). This pleasant climate makes it an ideal time for outdoor adventures and sightseeing.

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

The chart illustrates September temperature patterns in Santiago Yosondua, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santiago Yosondua, September typically has an average temperature of 18°C (64°F), with highs reaching up to 28°C (82°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec606264666664646464636260
Data source: Temperature data for Santiago Yosondua 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 Yosondua

In Santiago Yosondua in September, the precipitation amount is 274 mm (10.8 in) during 25 days, indicating a period of significant rainfall.

September Precipitation Trends in Santiago Yosondua

The chart displays monthly precipitation patterns in Santiago Yosondua, 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 Yosondua, September typically receives around 274 mm (10.8 inches) of precipitation spread over approximately 25 days.
JanFebMarAprMayJunJulAugSepOctNovDec7320381032401662392741341910
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Santiago Yosondua

In Santiago Yosondua in September humidity is 82%. With an average temperature of 18°C (64°F), this humidity feels like a warm, muggy embrace that can make exploring the area feel stifling, leaving travelers drenched in sweat and longing for respite in the shade.

September Average Humidity in Santiago Yosondua

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

In Santiago Yosondua 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 Yosondua, you can check here.

Maximum UV Index Levels in Santiago Yosondua for September

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

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

This table compares monthly weather conditions in Santiago Yosondua, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather15°C (60°F)7 mm (0.3 inches)65%extreme
February Weather17°C (62°F)3 mm (0.1 inches)61%extreme
March Weather18°C (65°F)20 mm (0.8 inches)59%extreme
April Weather19°C (66°F)38 mm (1.5 inches)62%extreme
May Weather19°C (67°F)103 mm (4.1 inches)73%extreme
June Weather18°C (64°F)240 mm (9.5 inches)78%extreme
July Weather18°C (64°F)166 mm (6.5 inches)79%extreme
August Weather18°C (64°F)239 mm (9.4 inches)82%extreme
September Weather18°C (64°F)274 mm (10.8 inches)82%extreme
October Weather17°C (64°F)134 mm (5.3 inches)79%extreme
November Weather16°C (62°F)19 mm (0.8 inches)72%extreme
December Weather16°C (61°F)10 mm (0.4 inches)70%very high

Compare Santiago Yosondua's Climate with Cities Worldwide