September Weather in La Union, Honduras

Last updated: August 23, 2025

In La Union, Honduras, the average temperature in September is a pleasant 26°C (79°F), with a minimum of 23°C (73°F) and a maximum reaching 30°C (87°F). Expect rainy days, as precipitation averages 184 mm (7.3 in) over 27 days, creating a humid environment with an average humidity of 75%. Perfect for those who enjoy a warm, tropical climate!

September Temperature in La Union

In September in La Union, the average temperature is 26°C (79°F). The maximum can reach 30°C (87°F), and the minimum can be as low as 23°C (73°F). This pleasant climate makes La Union an ideal destination for travelers seeking warmth and comfort during their visit.

September Weather in La Union: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in La Union, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In La Union, September typically has an average temperature of 26°C (79°F), with highs reaching up to 30°C (87°F) and lows dropping to around 23°C (73°F).

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

September Precipitation in La Union

In La Union, in September, the precipitation amount is 184 mm (7.3 in) over the course of 27 days.

September Precipitation Trends in La Union

The chart displays monthly precipitation patterns in La Union, 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 La Union, September typically receives around 184 mm (7.3 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 La Union

In La Union in September, humidity is 75%. With an average temperature of 26°C (79°F), this humidity feels like a warm blanket wrapped around you, making traveling a sticky experience where every step requires extra effort and frequent breaks to cool off.

September Average Humidity in La Union

This chart illustrates the average monthly humidity levels in La Union, 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 La Union is approximately 75%, 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 La Union

In La Union 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 La Union.

Maximum UV Index Levels in La Union for September

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

Data source: La Union 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 La Union Compares to Other Months

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

This table compares monthly weather conditions in La Union, 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 (73°F)	222 mm (8.7 inches)	78%	very high
February Weather	23°C (74°F)	112 mm (4.4 inches)	74%	extreme
March Weather	24°C (75°F)	97 mm (3.8 inches)	67%	extreme
April Weather	25°C (78°F)	85 mm (3.4 inches)	61%	extreme
May Weather	26°C (79°F)	122 mm (4.8 inches)	59%	extreme
June Weather	26°C (80°F)	178 mm (7.0 inches)	61%	extreme
July Weather	26°C (79°F)	132 mm (5.2 inches)	68%	extreme
August Weather	26°C (79°F)	167 mm (6.6 inches)	70%	extreme
September Weather	26°C (79°F)	184 mm (7.3 inches)	75%	extreme
October Weather	25°C (78°F)	333 mm (13.1 inches)	81%	extreme
November Weather	24°C (75°F)	416 mm (16.4 inches)	82%	very high
December Weather	23°C (73°F)	262 mm (10.3 inches)	75%	very high