September Weather in La Constitucion, Mexico

Last updated: August 27, 2025

In September, the average temperature in La Constitucion, Mexico is 23°C (75°F), with minimums dipping to 12°C (54°F) and maximums soaring up to 35°C (96°F). Be prepared for occasional showers, as the region receives an average of 46 mm (1.8 in) of precipitation spread over 8 days. With an average humidity level of 79%, expect a warm and inviting climate during your visit!

September Temperature in La Constitucion

In September in La Constitucion, the average temperature is 23°C (75°F), with maximums reaching up to 35°C (96°F) and minimums dropping as low as 12°C (54°F). This makes it an ideal time for travelers to enjoy a warm climate while still having options for cooler outings.

September Weather in La Constitucion: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in La Constitucion, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In La Constitucion, September typically has an average temperature of 23°C (75°F), with highs reaching up to 35°C (96°F) and lows dropping to around 12°C (54°F).
JanFebMarAprMayJunJulAugSepOctNovDec485462697683807974685950
Data source: Temperature data for La Constitucion generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in La Constitucion

In La Constitucion in September, the precipitation amount is 46 mm (1.8 in) over the course of 8 days.

September Precipitation Trends in La Constitucion

The chart displays monthly precipitation patterns in La Constitucion, 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 La Constitucion, September typically receives around 46 mm (1.8 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec121154710624846181118
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in La Constitucion

In La Constitucion in September humidity is 79%. With an average temperature of 23°C (75°F), this humidity feels like a warm, enveloping blanket that can make traveling a bit uncomfortable. The air is thick and heavy, often leading to a sticky sensation on your skin, which can sap your energy and enthusiasm for exploration. Staying hydrated and taking breaks in the shade becomes essential to enjoy your visit.

September Average Humidity in La Constitucion

This chart illustrates the average monthly humidity levels in La Constitucion, 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 La Constitucion is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%71%60%52%49%50%65%70%79%77%83%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in La Constitucion

In La Constitucion in September, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in La Constitucion.

Maximum UV Index Levels in La Constitucion for September

The chart shows the monthly maximum UV Index (UVI) for La Constitucion 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 La Constitucion typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec6810131313131212976
Data source: La Constitucion 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 La Constitucion Compares to Other Months

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

This table compares monthly weather conditions in La Constitucion, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (49°F)12 mm (0.5 inches)78%high
February Weather12°C (54°F)11 mm (0.4 inches)71%very high
March Weather16°C (62°F)5 mm (0.2 inches)60%very high
April Weather21°C (70°F)4 mm (0.1 inches)52%extreme
May Weather25°C (77°F)7 mm (0.3 inches)49%extreme
June Weather28°C (83°F)10 mm (0.4 inches)50%extreme
July Weather27°C (80°F)62 mm (2.4 inches)65%extreme
August Weather26°C (79°F)47 mm (1.9 inches)70%extreme
September Weather23°C (75°F)46 mm (1.8 inches)79%extreme
October Weather20°C (68°F)18 mm (0.7 inches)77%very high
November Weather15°C (59°F)10 mm (0.4 inches)83%high
December Weather10°C (50°F)17 mm (0.7 inches)84%high

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