September Weather in San Ildefonso Tultepec, Mexico

Last updated: August 27, 2025

In San Ildefonso Tultepec, Mexico, the average temperature for September is a mild 17°C (62°F). Expect minimums dipping to 7°C (45°F) and delightful highs reaching up to 27°C (80°F). With an average humidity of 81%, you'll feel the atmosphere around you, as it brings about 187 mm (7.3 in) of precipitation spread over 19 days. Plan accordingly to enjoy this vibrant season!

September Temperature in San Ildefonso Tultepec

In September in San Ildefonso Tultepec, the average temperature is 17°C (62°F). Maximums can reach 27°C (80°F), and minimums can be as low as 7°C (45°F). This mild climate makes it an ideal time for travelers to explore and enjoy outdoor activities.

September Weather in San Ildefonso Tultepec: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Ildefonso Tultepec, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Ildefonso Tultepec, September typically has an average temperature of 17°C (62°F), with highs reaching up to 27°C (80°F) and lows dropping to around 7°C (45°F).

Data source: Temperature data for San Ildefonso Tultepec generated using information from the Copernicus Climate Change Service.

September Precipitation in San Ildefonso Tultepec

In San Ildefonso Tultepec in September, the precipitation amount is 187 mm (7.3 in), distributed over 19 days.

September Precipitation Trends in San Ildefonso Tultepec

The chart displays monthly precipitation patterns in San Ildefonso Tultepec, 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 San Ildefonso Tultepec, September typically receives around 187 mm (7.3 inches) of precipitation spread over approximately 19 days.

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

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Millimeters (mm) Inches (in)

September Humidity in San Ildefonso Tultepec

In San Ildefonso Tultepec in September, humidity is 81%. With an average temperature of 17°C (62°F), this humidity feels like a warm blanket enveloping you, making outdoor adventures feel sticky and requiring frequent breaks to stay comfortable while exploring.

September Average Humidity in San Ildefonso Tultepec

This chart illustrates the average monthly humidity levels in San Ildefonso Tultepec, 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 San Ildefonso Tultepec is approximately 81%, 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 San Ildefonso Tultepec

In San Ildefonso Tultepec 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 San Ildefonso Tultepec, you can check here.

Maximum UV Index Levels in San Ildefonso Tultepec for September

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

Data source: San Ildefonso Tultepec 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 San Ildefonso Tultepec Compares to Other Months

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

This table compares monthly weather conditions in San Ildefonso Tultepec, 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 (55°F)	9 mm (0.4 inches)	74%	very high
February Weather	15°C (59°F)	12 mm (0.5 inches)	65%	extreme
March Weather	17°C (63°F)	17 mm (0.7 inches)	58%	extreme
April Weather	19°C (66°F)	25 mm (1.0 inches)	58%	extreme
May Weather	20°C (68°F)	52 mm (2.0 inches)	67%	extreme
June Weather	18°C (65°F)	174 mm (6.9 inches)	76%	extreme
July Weather	17°C (63°F)	150 mm (5.9 inches)	67%	extreme
August Weather	17°C (64°F)	145 mm (5.7 inches)	68%	extreme
September Weather	17°C (62°F)	187 mm (7.3 inches)	81%	extreme
October Weather	16°C (61°F)	84 mm (3.3 inches)	83%	extreme
November Weather	14°C (57°F)	23 mm (0.9 inches)	84%	very high
December Weather	13°C (55°F)	5 mm (0.2 inches)	81%	very high