nomadseason

September Weather in Dieciocho de Marzo, Mexico

Last updated: August 27, 2025

In September, the average temperature in Dieciocho de Marzo, Mexico is a warm 27°C (80°F), with a minimum of 20°C (69°F) and a maximum reaching 36°C (98°F). During this month, expect about 174 mm (6.9 in) of precipitation spread over 17 days, contributing to an average humidity of a sultry 83%.

September Temperature in Dieciocho de Marzo

In September in Dieciocho de Marzo, the average temperature is 27°C (80°F). Maximum can reach 36°C (98°F) and minimum can be as low as 20°C (69°F). This pleasant climate makes it an ideal time for travelers to explore and enjoy outdoor activities.

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 27°C (80°F), with highs reaching up to 36°C (98°F) and lows dropping to around 20°C (69°F).
JanFebMarAprMayJunJulAugSepOctNovDec757882848783828280797774
Data source: Temperature data for Dieciocho de Marzo generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Dieciocho de Marzo

In Dieciocho de Marzo in September, the total precipitation amount is 174 mm (6.9 in) spread over 17 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 174 mm (6.9 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec231071567316717495251
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Dieciocho de Marzo

In Dieciocho de Marzo in September, humidity is 83%. With an average temperature of 27°C (80°F), this humidity feels like a warm, steamy embrace, making traveling a bit uncomfortable as the air clings to your skin and renders even the slightest exertion more exhausting.

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 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%65%59%60%67%80%81%83%83%80%77%76%
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 reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Dieciocho de Marzo.

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 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec910131313141313131198
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.
 TemperaturePrecipitationHumidityUV
January Weather24°C (75°F)1 mm (0.1 inches)70%very high
February Weather25°C (78°F)3 mm (0.1 inches)65%very high
March Weather28°C (82°F)1 mm (0.0 inches)59%extreme
April Weather29°C (85°F)0 mm (0.0 inches)60%extreme
May Weather30°C (87°F)7 mm (0.3 inches)67%extreme
June Weather28°C (83°F)156 mm (6.2 inches)80%extreme
July Weather28°C (82°F)73 mm (2.9 inches)81%extreme
August Weather28°C (82°F)167 mm (6.6 inches)83%extreme
September Weather27°C (80°F)174 mm (6.9 inches)83%extreme
October Weather26°C (80°F)95 mm (3.7 inches)80%extreme
November Weather25°C (77°F)25 mm (1.0 inches)77%very high
December Weather24°C (75°F)1 mm (0.0 inches)76%very high

Compare Dieciocho de Marzo's Climate with Cities Worldwide