September Weather in Coahuayana Viejo, Mexico

Last updated: August 27, 2025

In September, the average temperature in Coahuayana Viejo, Mexico hovers around 27°C (80°F), providing a warm and inviting climate. Expect minimum temperatures of 24°C (75°F) and maximums reaching 30°C (86°F). However, prepare for the chance of rain, as 246 mm (9.7 in) of precipitation can fall over 24 days, paired with an average humidity level of 83%.

September Temperature in Coahuayana Viejo

In September in Coahuayana Viejo, the average temperature is 27°C (80°F). Maximums can reach 30°C (86°F), and minimums can be as low as 24°C (75°F). This mild and pleasant weather makes Coahuayana Viejo an ideal destination for travelers seeking warmth and sunshine during September.

September Weather in Coahuayana Viejo: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Coahuayana Viejo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Coahuayana Viejo, September typically has an average temperature of 27°C (80°F), with highs reaching up to 30°C (86°F) and lows dropping to around 24°C (75°F).

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

September Precipitation in Coahuayana Viejo

In Coahuayana Viejo in September, the total precipitation amount is 246 mm (9.7 in), occurring over a span of 24 days.

September Precipitation Trends in Coahuayana Viejo

The chart displays monthly precipitation patterns in Coahuayana Viejo, 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 Coahuayana Viejo, September typically receives around 246 mm (9.7 inches) of precipitation spread over approximately 24 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 Coahuayana Viejo

In Coahuayana Viejo 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 Coahuayana Viejo

This chart illustrates the average monthly humidity levels in Coahuayana Viejo, 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 Coahuayana Viejo is approximately 83%, 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 Coahuayana Viejo

In Coahuayana Viejo 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 Coahuayana Viejo.

Maximum UV Index Levels in Coahuayana Viejo for September

The chart shows the monthly maximum UV Index (UVI) for Coahuayana Viejo 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 Coahuayana Viejo typically reaches 13, which falls under the extreme exposure category.

Data source: Coahuayana Viejo 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 Coahuayana Viejo Compares to Other Months

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

This table compares monthly weather conditions in Coahuayana Viejo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	24°C (76°F)	12 mm (0.5 inches)	70%	very high
February Weather	24°C (75°F)	8 mm (0.3 inches)	65%	very high
March Weather	24°C (75°F)	1 mm (0.0 inches)	59%	extreme
April Weather	24°C (75°F)	1 mm (0.0 inches)	60%	extreme
May Weather	25°C (77°F)	5 mm (0.2 inches)	67%	extreme
June Weather	26°C (80°F)	176 mm (6.9 inches)	80%	extreme
July Weather	27°C (81°F)	133 mm (5.2 inches)	81%	extreme
August Weather	27°C (81°F)	267 mm (10.5 inches)	83%	extreme
September Weather	27°C (80°F)	246 mm (9.7 inches)	83%	extreme
October Weather	27°C (80°F)	163 mm (6.4 inches)	80%	extreme
November Weather	26°C (79°F)	37 mm (1.5 inches)	77%	very high
December Weather	25°C (77°F)	8 mm (0.3 inches)	76%	very high