September Weather in Dieciocho de Marzo, Mexico

Last updated: August 27, 2025

In September, the average temperature in Dieciocho de Marzo, Mexico is a pleasant 18°C (64°F), with minimums dipping to 8°C (47°F) and maximums reaching 28°C (82°F). Expect 169 mm (6.6 in) of precipitation spread over 18 days, contributing to an average humidity level of 81%. Embrace the refreshing atmosphere this month!

September Temperature in Dieciocho de Marzo

In September in Dieciocho de Marzo, the average temperature is 18°C (64°F). Maximums can reach 28°C (82°F), and minimums can drop to 8°C (47°F). This makes it a comfortable time to explore Dieciocho de Marzo, so pack layers for both warm and cooler moments during your travels.

September Weather in Dieciocho de Marzo: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Dieciocho de Marzo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dieciocho de Marzo, 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 8°C (47°F).

Data source: Temperature data for Dieciocho de Marzo generated using information from the Copernicus Climate Change Service.

September Precipitation in Dieciocho de Marzo

In Dieciocho de Marzo in September, the total precipitation amount is 169 mm (6.6 in) spread over 18 days.

September Precipitation Trends in Dieciocho de Marzo

The chart displays monthly precipitation patterns in Dieciocho de Marzo, 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 Dieciocho de Marzo, September typically receives around 169 mm (6.6 inches) of precipitation spread over approximately 18 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 Dieciocho de Marzo

In Dieciocho de Marzo in September, humidity is 81%. With an average temperature of 18°C (64°F), this humidity feels like a warm embrace, making travel both refreshing and slightly stifling at the same time.

September Average Humidity in Dieciocho de Marzo

This chart illustrates the average monthly humidity levels in Dieciocho de Marzo, 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 Dieciocho de Marzo 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 Dieciocho de Marzo

In Dieciocho de Marzo 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 Dieciocho de Marzo, you can check here.

Maximum UV Index Levels in Dieciocho de Marzo for September

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

Data source: Dieciocho de Marzo 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 Dieciocho de Marzo Compares to Other Months

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

This table compares monthly weather conditions in Dieciocho de Marzo, 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)	10 mm (0.4 inches)	74%	very high
February Weather	15°C (60°F)	11 mm (0.4 inches)	65%	extreme
March Weather	18°C (65°F)	12 mm (0.5 inches)	58%	extreme
April Weather	20°C (68°F)	5 mm (0.2 inches)	58%	extreme
May Weather	21°C (70°F)	39 mm (1.5 inches)	67%	extreme
June Weather	20°C (68°F)	167 mm (6.6 inches)	76%	extreme
July Weather	18°C (66°F)	178 mm (7.0 inches)	67%	extreme
August Weather	19°C (66°F)	148 mm (5.8 inches)	68%	extreme
September Weather	18°C (64°F)	169 mm (6.6 inches)	81%	extreme
October Weather	17°C (63°F)	68 mm (2.7 inches)	83%	extreme
November Weather	15°C (59°F)	18 mm (0.7 inches)	84%	very high
December Weather	13°C (56°F)	8 mm (0.3 inches)	81%	very high