September Weather in Sunuapa, Mexico

Last updated: August 27, 2025

In Sunuapa, Mexico, the average temperature in September hovers around 26°C (79°F). Expect a minimum of 21°C (69°F) and a maximum that can reach 35°C (95°F). During this time, precipitation typically totals 259 mm (10.2 in) over 27 days, contributing to an average humidity of 87%. Whether you're planning outdoor activities or seeking refuge indoors, this blend of warmth and moisture is sure to define your experience!

September Temperature in Sunuapa

In September in Sunuapa, the average temperature is 26°C (79°F), with maximums reaching up to 35°C (95°F) and minimums dipping as low as 21°C (69°F). This makes it an ideal time for travelers who enjoy warm weather and outdoor activities.

September Weather in Sunuapa: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Sunuapa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sunuapa, September typically has an average temperature of 26°C (79°F), with highs reaching up to 35°C (95°F) and lows dropping to around 21°C (69°F).

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

September Precipitation in Sunuapa

In Sunuapa in September, the precipitation amount is 259 mm (10.2 in) spread over 27 days.

September Precipitation Trends in Sunuapa

The chart displays monthly precipitation patterns in Sunuapa, 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 Sunuapa, September typically receives around 259 mm (10.2 inches) of precipitation spread over approximately 27 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 Sunuapa

In Sunuapa in September, humidity is 87%. With an average temperature of 26°C (79°F), this humidity feels like walking through a warm, thick blanket, making it essential to stay hydrated and take frequent breaks while exploring.

September Average Humidity in Sunuapa

This chart illustrates the average monthly humidity levels in Sunuapa, 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 Sunuapa is approximately 87%, 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 Sunuapa

In Sunuapa 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 Sunuapa.

Maximum UV Index Levels in Sunuapa for September

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

Data source: Sunuapa 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 Sunuapa Compares to Other Months

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

This table compares monthly weather conditions in Sunuapa, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	21°C (70°F)	158 mm (6.2 inches)	83%	very high
February Weather	22°C (73°F)	80 mm (3.1 inches)	76%	extreme
March Weather	24°C (75°F)	95 mm (3.7 inches)	66%	extreme
April Weather	26°C (79°F)	75 mm (2.9 inches)	59%	extreme
May Weather	27°C (82°F)	114 mm (4.5 inches)	64%	extreme
June Weather	26°C (80°F)	306 mm (12.0 inches)	69%	extreme
July Weather	27°C (80°F)	120 mm (4.7 inches)	82%	extreme
August Weather	26°C (80°F)	185 mm (7.3 inches)	87%	extreme
September Weather	26°C (79°F)	259 mm (10.2 inches)	87%	extreme
October Weather	25°C (77°F)	304 mm (12.0 inches)	88%	extreme
November Weather	23°C (73°F)	241 mm (9.5 inches)	88%	very high
December Weather	22°C (71°F)	156 mm (6.1 inches)	88%	very high