September Weather in Atlapa Chico, Mexico

Last updated: August 27, 2025

In September, the average temperature in Atlapa Chico, Mexico hovers around 20°C (69°F). Expect a minimum of 13°C (57°F) and a pleasant maximum of 29°C (85°F). However, be prepared for frequent showers; rainfall totals about 257 mm (10.1 in) over 25 days, accompanied by a high average humidity level of 86%.

September Temperature in Atlapa Chico

In September in Atlapa Chico, the average temperature is 20°C (69°F). Maximums can reach 29°C (85°F) and minimums can be as low as 13°C (57°F). This makes it a pleasant time for travelers, offering comfortable weather for outdoor activities and exploration.

September Weather in Atlapa Chico: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Atlapa Chico, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Atlapa Chico, September typically has an average temperature of 20°C (69°F), with highs reaching up to 29°C (85°F) and lows dropping to around 13°C (57°F).

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

September Precipitation in Atlapa Chico

In Atlapa Chico in September, the precipitation amount is 257 mm (10.1 in) over the course of 25 days.

September Precipitation Trends in Atlapa Chico

The chart displays monthly precipitation patterns in Atlapa Chico, 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 Atlapa Chico, September typically receives around 257 mm (10.1 inches) of precipitation spread over approximately 25 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Atlapa Chico

In Atlapa Chico in September, humidity is 86%. With an average temperature of 20°C (69°F), this humidity feels like a warm, dense blanket wrapping around you, making travel feel sluggish and sticky, as each step can leave you yearning for a cool breeze or a refreshing drink.

September Average Humidity in Atlapa Chico

This chart illustrates the average monthly humidity levels in Atlapa Chico, 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 Atlapa Chico is approximately 86%, 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 Atlapa Chico

In Atlapa Chico 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 Atlapa Chico, you can check here.

Maximum UV Index Levels in Atlapa Chico for September

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

Data source: Atlapa Chico 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 Atlapa Chico Compares to Other Months

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

This table compares monthly weather conditions in Atlapa Chico, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	15°C (59°F)	78 mm (3.1 inches)	88%	very high
February Weather	16°C (62°F)	55 mm (2.2 inches)	86%	extreme
March Weather	18°C (64°F)	83 mm (3.2 inches)	84%	extreme
April Weather	20°C (68°F)	94 mm (3.7 inches)	81%	extreme
May Weather	21°C (71°F)	150 mm (5.9 inches)	82%	extreme
June Weather	21°C (70°F)	213 mm (8.4 inches)	81%	extreme
July Weather	21°C (69°F)	144 mm (5.7 inches)	81%	extreme
August Weather	21°C (69°F)	221 mm (8.7 inches)	82%	extreme
September Weather	20°C (69°F)	257 mm (10.1 inches)	86%	extreme
October Weather	19°C (67°F)	166 mm (6.5 inches)	90%	extreme
November Weather	17°C (62°F)	90 mm (3.5 inches)	91%	very high
December Weather	15°C (60°F)	38 mm (1.5 inches)	91%	very high