September Weather in Puerto Barrios, Guatemala

Last updated: August 23, 2025

In September, the average temperature in Puerto Barrios, Guatemala hovers around 27°C (81°F). You'll experience warm days with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 32°C (89°F). Be prepared for significant precipitation, as 229 mm (9.0 in) of rain may fall over 27 days. With an average humidity of 71%, it's advisable to stay hydrated and enjoy the tropical ambiance!

September Temperature in Puerto Barrios

In September in Puerto Barrios, the average temperature is 27°C (81°F), with maximums reaching up to 32°C (89°F) and minimums dropping to as low as 24°C (75°F). This pleasant climate makes it an ideal time to explore and enjoy outdoor activities in Puerto Barrios.

September Weather in Puerto Barrios: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Puerto Barrios, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Puerto Barrios, September typically has an average temperature of 27°C (81°F), with highs reaching up to 32°C (89°F) and lows dropping to around 24°C (75°F).

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

September Precipitation in Puerto Barrios

In Puerto Barrios in September, the precipitation amount is 229 mm (9.0 in) spread over 27 days, indicating a relatively wet period for the area.

September Precipitation Trends in Puerto Barrios

The chart displays monthly precipitation patterns in Puerto Barrios, 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 Puerto Barrios, September typically receives around 229 mm (9.0 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 Puerto Barrios

In Puerto Barrios in September, humidity is 71%. With an average temperature of 27°C (81°F), this humidity feels like a thick blanket wrapping around you, making travel feel more strenuous and sweaty, yet the tropical atmosphere offers a unique charm that invites exploration amidst the warmth.

September Average Humidity in Puerto Barrios

This chart illustrates the average monthly humidity levels in Puerto Barrios, 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 Puerto Barrios is approximately 71%, 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 Puerto Barrios

In Puerto Barrios 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 Puerto Barrios.

Maximum UV Index Levels in Puerto Barrios for September

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

Data source: Puerto Barrios 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 Puerto Barrios Compares to Other Months

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

This table compares monthly weather conditions in Puerto Barrios, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	23°C (75°F)	208 mm (8.2 inches)	80%	very high
February Weather	24°C (76°F)	122 mm (4.8 inches)	72%	extreme
March Weather	25°C (77°F)	146 mm (5.7 inches)	61%	extreme
April Weather	27°C (80°F)	87 mm (3.4 inches)	53%	extreme
May Weather	27°C (82°F)	151 mm (5.9 inches)	51%	extreme
June Weather	27°C (82°F)	281 mm (11.0 inches)	52%	extreme
July Weather	27°C (81°F)	290 mm (11.4 inches)	58%	extreme
August Weather	27°C (81°F)	275 mm (10.8 inches)	63%	extreme
September Weather	27°C (81°F)	229 mm (9.0 inches)	71%	extreme
October Weather	26°C (80°F)	345 mm (13.6 inches)	79%	extreme
November Weather	25°C (77°F)	477 mm (18.8 inches)	79%	very high
December Weather	24°C (75°F)	195 mm (7.7 inches)	74%	very high