September Weather in Santiago Tlapanaloya, Mexico

Last updated: August 27, 2025

In September, the average temperature in Santiago Tlapanaloya, Mexico hovers around 17°C (63°F), with minimums dipping to 6°C (43°F) and highs reaching up to 27°C (80°F). This month also brings an average precipitation of 159 mm (6.2 in) spread over approximately 21 days, contributing to a humidity level of 82%. Stay prepared for a mix of mild warmth and refreshing rain!

September Temperature in Santiago Tlapanaloya

In September in Santiago Tlapanaloya, the average temperature is 17°C (63°F). Maximums can reach 27°C (80°F), while minimums can be as low as 6°C (43°F). It's a great time to explore Santiago Tlapanaloya and enjoy the pleasant weather!

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

The chart illustrates September temperature patterns in Santiago Tlapanaloya, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santiago Tlapanaloya, September typically has an average temperature of 17°C (63°F), with highs reaching up to 27°C (80°F) and lows dropping to around 6°C (43°F).

Data source: Temperature data for Santiago Tlapanaloya generated using information from the Copernicus Climate Change Service.

September Precipitation in Santiago Tlapanaloya

In Santiago Tlapanaloya in September, the total precipitation amount is 159 mm (6.2 in), occurring over the course of 21 days.

September Precipitation Trends in Santiago Tlapanaloya

The chart displays monthly precipitation patterns in Santiago Tlapanaloya, 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 Tlapanaloya, September typically receives around 159 mm (6.2 inches) of precipitation spread over approximately 21 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Santiago Tlapanaloya

In Santiago Tlapanaloya in September, humidity is 82%. With an average temperature of 17°C (63°F), this humidity feels like a warm blanket wrapping around you—comfortable yet heavy, making outdoor activities more taxing and requiring frequent breaks for hydration.

September Average Humidity in Santiago Tlapanaloya

This chart illustrates the average monthly humidity levels in Santiago Tlapanaloya, 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 Tlapanaloya is approximately 82%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Santiago Tlapanaloya

In Santiago Tlapanaloya 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 Tlapanaloya, you can check here.

Maximum UV Index Levels in Santiago Tlapanaloya for September

The chart shows the monthly maximum UV Index (UVI) for Santiago Tlapanaloya 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 Tlapanaloya typically reaches 14, which falls under the extreme exposure category.

Data source: Santiago Tlapanaloya 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 Tlapanaloya Compares to Other Months

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

This table compares monthly weather conditions in Santiago Tlapanaloya, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	13°C (56°F)	12 mm (0.5 inches)	84%	very high
February Weather	15°C (60°F)	10 mm (0.4 inches)	78%	extreme
March Weather	17°C (64°F)	22 mm (0.9 inches)	75%	extreme
April Weather	19°C (66°F)	29 mm (1.1 inches)	70%	extreme
May Weather	20°C (68°F)	46 mm (1.8 inches)	77%	extreme
June Weather	19°C (66°F)	137 mm (5.4 inches)	76%	extreme
July Weather	18°C (64°F)	116 mm (4.5 inches)	68%	extreme
August Weather	17°C (64°F)	137 mm (5.4 inches)	70%	extreme
September Weather	17°C (63°F)	159 mm (6.2 inches)	82%	extreme
October Weather	16°C (61°F)	85 mm (3.4 inches)	91%	extreme
November Weather	14°C (58°F)	23 mm (0.9 inches)	89%	very high
December Weather	13°C (57°F)	5 mm (0.2 inches)	88%	very high