September Weather in Nanzintla, Mexico

Last updated: August 27, 2025

In September, the average temperature in Nanzintla, Mexico hovers around 20°C (68°F), with a comfortable range between a minimum of 14°C (58°F) and a maximum of 30°C (86°F). However, expect plenty of rain, as the region sees an average precipitation of 537 mm (21.1 in) spread over 29 days. With an average humidity level of 82%, it's a perfect time to embrace the region's lush beauty!

September Temperature in Nanzintla

In September in Nanzintla, the average temperature is 20°C (68°F). Maximums can reach 30°C (86°F), while minimums can drop as low as 14°C (58°F). This pleasant climate makes Nanzintla an ideal destination for travelers looking to enjoy mild weather and outdoor activities.

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

The chart illustrates September temperature patterns in Nanzintla, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nanzintla, September typically has an average temperature of 20°C (68°F), with highs reaching up to 30°C (86°F) and lows dropping to around 14°C (58°F).

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

September Precipitation in Nanzintla

In Nanzintla in September, the total precipitation amount is 537 mm (21.1 in) spread over 29 days.

September Precipitation Trends in Nanzintla

The chart displays monthly precipitation patterns in Nanzintla, 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 Nanzintla, September typically receives around 537 mm (21.1 inches) of precipitation spread over approximately 29 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 Nanzintla

In Nanzintla in September humidity is 82%. With an average temperature of 20°C (68°F), this humidity feels like a warm, enveloping blanket that makes traveling a bit sluggish but surprisingly refreshing, as long as you take breaks in shaded areas to cool off.

September Average Humidity in Nanzintla

This chart illustrates the average monthly humidity levels in Nanzintla, 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 Nanzintla is approximately 82%, 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 Nanzintla

In Nanzintla 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 Nanzintla, you can check here.

Maximum UV Index Levels in Nanzintla for September

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

Data source: Nanzintla 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 Nanzintla Compares to Other Months

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

This table compares monthly weather conditions in Nanzintla, 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)	13 mm (0.5 inches)	65%	very high
February Weather	18°C (65°F)	5 mm (0.2 inches)	61%	extreme
March Weather	20°C (68°F)	10 mm (0.4 inches)	59%	extreme
April Weather	21°C (69°F)	18 mm (0.7 inches)	62%	extreme
May Weather	21°C (70°F)	114 mm (4.5 inches)	73%	extreme
June Weather	20°C (69°F)	392 mm (15.4 inches)	78%	extreme
July Weather	20°C (69°F)	433 mm (17.0 inches)	79%	extreme
August Weather	20°C (68°F)	529 mm (20.8 inches)	82%	extreme
September Weather	20°C (68°F)	537 mm (21.1 inches)	82%	extreme
October Weather	20°C (68°F)	340 mm (13.4 inches)	79%	extreme
November Weather	19°C (67°F)	73 mm (2.9 inches)	72%	very high
December Weather	18°C (65°F)	28 mm (1.1 inches)	70%	very high