September Weather in Loma Chapultepec, Mexico

Last updated: August 27, 2025

In Loma Chapultepec, Mexico, the average temperature for September hovers around 21°C (70°F), with a comfortable minimum of 15°C (59°F) and a warm maximum of 30°C (87°F). Expect a fair share of rain, with 402 mm (15.8 in) of precipitation spread across 27 days. The air remains quite humid, with an average humidity level of 84%.

September Temperature in Loma Chapultepec

In September in Loma Chapultepec, the average temperature is 21°C (70°F), with maximums reaching 30°C (87°F) and minimums dropping as low as 15°C (59°F). This pleasant weather makes it an ideal time for outdoor activities and sightseeing in Loma Chapultepec.

September Weather in Loma Chapultepec: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Loma Chapultepec, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Loma Chapultepec, September typically has an average temperature of 21°C (70°F), with highs reaching up to 30°C (87°F) and lows dropping to around 15°C (59°F).

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

September Precipitation in Loma Chapultepec

In Loma Chapultepec in September, the total precipitation amount is 402 mm (15.8 in), which falls over a span of 27 days.

September Precipitation Trends in Loma Chapultepec

The chart displays monthly precipitation patterns in Loma Chapultepec, 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 Loma Chapultepec, September typically receives around 402 mm (15.8 inches) of precipitation spread over approximately 27 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 Loma Chapultepec

In Loma Chapultepec in September, humidity is 84%. With an average temperature of 21°C (70°F), this humidity feels like thick, warm air wrapping around you, making outdoor activities quite uncomfortable and necessitating frequent hydration breaks for a more enjoyable travel experience.

September Average Humidity in Loma Chapultepec

This chart illustrates the average monthly humidity levels in Loma Chapultepec, 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 Loma Chapultepec is approximately 84%, 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 Loma Chapultepec

In Loma Chapultepec 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 Loma Chapultepec, you can check here.

Maximum UV Index Levels in Loma Chapultepec for September

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

Data source: Loma Chapultepec 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 Loma Chapultepec Compares to Other Months

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

This table compares monthly weather conditions in Loma Chapultepec, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	16°C (61°F)	96 mm (3.8 inches)	84%	very high
February Weather	17°C (64°F)	83 mm (3.3 inches)	80%	extreme
March Weather	19°C (66°F)	87 mm (3.4 inches)	73%	extreme
April Weather	21°C (70°F)	124 mm (4.9 inches)	67%	extreme
May Weather	22°C (72°F)	181 mm (7.1 inches)	72%	extreme
June Weather	21°C (71°F)	375 mm (14.8 inches)	73%	extreme
July Weather	21°C (70°F)	239 mm (9.4 inches)	76%	extreme
August Weather	21°C (70°F)	322 mm (12.7 inches)	80%	extreme
September Weather	21°C (70°F)	402 mm (15.8 inches)	84%	extreme
October Weather	20°C (68°F)	328 mm (12.9 inches)	89%	extreme
November Weather	18°C (64°F)	176 mm (6.9 inches)	88%	very high
December Weather	16°C (62°F)	72 mm (2.8 inches)	88%	very high