September Weather in Cubulco, Guatemala

Last updated: August 23, 2025

In September, the average temperature in Cubulco, Guatemala hovers around 20°C (68°F), perfect for enjoying the season. Expect minimum temperatures to dip to 11°C (53°F), while highs can reach a warm 29°C (85°F). However, don’t forget your umbrella, as the region receives an average precipitation of 186 mm (7.3 in) over approximately 26 days, contributing to an average humidity of 82%.

September Temperature in Cubulco

In September in Cubulco, the average temperature is 20°C (68°F). Maximums can reach 29°C (85°F), and minimums can be as low as 11°C (53°F). This pleasant climate makes Cubulco an ideal destination for travelers seeking comfortable weather to explore and enjoy outdoor activities.

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

The chart illustrates September temperature patterns in Cubulco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cubulco, September typically has an average temperature of 20°C (68°F), with highs reaching up to 29°C (85°F) and lows dropping to around 11°C (53°F).

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

September Precipitation in Cubulco

In Cubulco in September, the total precipitation amount is 186 mm (7.3 in), occurring over the course of 26 days.

September Precipitation Trends in Cubulco

The chart displays monthly precipitation patterns in Cubulco, 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 Cubulco, September typically receives around 186 mm (7.3 inches) of precipitation spread over approximately 26 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 Cubulco

In Cubulco 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 Cubulco

This chart illustrates the average monthly humidity levels in Cubulco, 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 Cubulco 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 Cubulco

In Cubulco 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 Cubulco, you can check here.

Maximum UV Index Levels in Cubulco for September

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

Data source: Cubulco 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 Cubulco Compares to Other Months

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

This table compares monthly weather conditions in Cubulco, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	17°C (63°F)	15 mm (0.6 inches)	76%	extreme
February Weather	18°C (66°F)	9 mm (0.3 inches)	68%	extreme
March Weather	19°C (67°F)	9 mm (0.3 inches)	59%	extreme
April Weather	21°C (70°F)	34 mm (1.3 inches)	57%	extreme
May Weather	21°C (70°F)	135 mm (5.3 inches)	65%	extreme
June Weather	20°C (69°F)	205 mm (8.1 inches)	66%	extreme
July Weather	20°C (68°F)	119 mm (4.7 inches)	75%	extreme
August Weather	20°C (68°F)	171 mm (6.7 inches)	82%	extreme
September Weather	20°C (68°F)	186 mm (7.3 inches)	82%	extreme
October Weather	19°C (67°F)	190 mm (7.5 inches)	83%	extreme
November Weather	18°C (65°F)	59 mm (2.3 inches)	80%	extreme
December Weather	17°C (64°F)	14 mm (0.6 inches)	76%	very high