September Weather in Chametla, Mexico

Last updated: August 27, 2025

In September, the average temperature in Chametla, Mexico hovers around 28°C (83°F), making it a warm destination. While you can expect minimum temperatures to dip to 20°C (69°F), the maximum can soar to a sizzling 37°C (99°F). During this month, the region experiences an average precipitation of 113 mm (4.5 in) over 10 days, coupled with a humidity level of approximately 74%. Perfect for those who enjoy warm climates!

September Temperature in Chametla

In September in Chametla, the average temperature is 28°C (83°F). The maximum can reach 37°C (99°F), while the minimum can drop to as low as 20°C (69°F). It's a great time to explore outdoor activities while enjoying warm weather and pleasant evenings.

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

The chart illustrates September temperature patterns in Chametla, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chametla, September typically has an average temperature of 28°C (83°F), with highs reaching up to 37°C (99°F) and lows dropping to around 20°C (69°F).

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

September Precipitation in Chametla

In Chametla in September, the total precipitation amount is 113 mm (4.5 in) over the course of 10 days.

September Precipitation Trends in Chametla

The chart displays monthly precipitation patterns in Chametla, 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 Chametla, September typically receives around 113 mm (4.5 inches) of precipitation spread over approximately 10 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 Chametla

In Chametla in September, humidity is 74%. With an average temperature of 28°C (83°F), this humidity feels like a heavy blanket enveloping you, making travel feel more tiring as every step is met with a warm, sticky embrace that can drain your energy quickly.

September Average Humidity in Chametla

This chart illustrates the average monthly humidity levels in Chametla, 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 Chametla is approximately 74%, 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 Chametla

In Chametla 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 Chametla.

Maximum UV Index Levels in Chametla for September

The chart shows the monthly maximum UV Index (UVI) for Chametla 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 Chametla typically reaches 12, which falls under the extreme exposure category.

Data source: Chametla 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 Chametla Compares to Other Months

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

This table compares monthly weather conditions in Chametla, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	18°C (64°F)	9 mm (0.3 inches)	69%	high
February Weather	18°C (65°F)	14 mm (0.5 inches)	66%	very high
March Weather	20°C (69°F)	2 mm (0.1 inches)	64%	extreme
April Weather	23°C (73°F)	0 mm (0.0 inches)	64%	extreme
May Weather	24°C (76°F)	0 mm (0.0 inches)	66%	extreme
June Weather	27°C (81°F)	7 mm (0.3 inches)	67%	extreme
July Weather	29°C (85°F)	17 mm (0.7 inches)	72%	extreme
August Weather	30°C (86°F)	56 mm (2.2 inches)	73%	extreme
September Weather	28°C (83°F)	113 mm (4.5 inches)	74%	extreme
October Weather	27°C (80°F)	10 mm (0.4 inches)	75%	very high
November Weather	23°C (74°F)	22 mm (0.9 inches)	73%	very high
December Weather	19°C (67°F)	18 mm (0.7 inches)	72%	high