September Weather in El Nino, Mexico

Last updated: August 27, 2025

In El Nino, Mexico, the average temperature in September hovers around 23°C (73°F). However, don't be surprised if you experience a minimum of 12°C (54°F) on cooler nights and soar up to a sizzling 41°C (105°F) during the peaks of the day. Expect a modest precipitation amount of 5 mm (0.2 in) over the course of just 1 day, and stay comfortable with an average humidity level of 52%.

September Temperature in El Nino

In September, in El Nino, the average temperature is 23°C (73°F). Maximum temperatures can reach 41°C (105°F), while minimums can drop as low as 12°C (54°F). This makes El Nino an ideal destination for travelers seeking warm weather, but it's wise to be prepared for a range of temperatures throughout the day.

September Weather in El Nino: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in El Nino, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In El Nino, September typically has an average temperature of 23°C (73°F), with highs reaching up to 41°C (105°F) and lows dropping to around 12°C (54°F).

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

September Precipitation in El Nino

In El Nino in September, the precipitation amount is 5 mm (0.2 in) over a duration of 1 day.

September Precipitation Trends in El Nino

The chart displays monthly precipitation patterns in El Nino, 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 El Nino, September typically receives around 5 mm (0.2 inches) of precipitation spread over approximately 1 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 El Nino

In El Nino in September humidity is 52%. With an average temperature of 23°C (73°F), this humidity feels like a comfortable embrace, making it pleasant for traveling as you can enjoy outdoor activities without feeling overheated or sticky.

September Average Humidity in El Nino

This chart illustrates the average monthly humidity levels in El Nino, 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 El Nino is approximately 52%, 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 El Nino

In El Nino in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in El Nino.

Maximum UV Index Levels in El Nino for September

The chart shows the monthly maximum UV Index (UVI) for El Nino 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 El Nino typically reaches 11, which falls under the extreme exposure category.

Data source: El Nino 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 El Nino Compares to Other Months

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

This table compares monthly weather conditions in El Nino, 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)	68 mm (2.7 inches)	72%	moderate
February Weather	12°C (55°F)	85 mm (3.3 inches)	77%	high
March Weather	13°C (56°F)	68 mm (2.7 inches)	67%	very high
April Weather	16°C (61°F)	27 mm (1.1 inches)	56%	very high
May Weather	17°C (63°F)	27 mm (1.1 inches)	46%	extreme
June Weather	20°C (68°F)	3 mm (0.1 inches)	48%	extreme
July Weather	23°C (74°F)	4 mm (0.2 inches)	46%	extreme
August Weather	24°C (76°F)	4 mm (0.1 inches)	42%	extreme
September Weather	23°C (73°F)	5 mm (0.2 inches)	52%	extreme
October Weather	20°C (68°F)	14 mm (0.5 inches)	58%	very high
November Weather	17°C (62°F)	38 mm (1.5 inches)	66%	moderate
December Weather	13°C (55°F)	72 mm (2.8 inches)	74%	moderate