September Weather in El Rosario, Honduras

Last updated: August 23, 2025

In September, the average temperature in El Rosario, Honduras hovers around 23°C (74°F), with a minimum dipping to 16°C (62°F) and a maximum soaring to 35°C (95°F). Expect 169 mm (6.6 in) of precipitation spread over 19 days, contributing to an average humidity of 75%. Stay prepared for a pleasantly warm and occasionally wet climate!

September Temperature in El Rosario

In September in El Rosario, the average temperature is 23°C (74°F), with maximums reaching up to 35°C (95°F) and minimums dropping to as low as 16°C (62°F). It's a perfect time to enjoy outdoor activities while packing for varying temperatures.

September Weather in El Rosario: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in El Rosario, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In El Rosario, September typically has an average temperature of 23°C (74°F), with highs reaching up to 35°C (95°F) and lows dropping to around 16°C (62°F).

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

September Precipitation in El Rosario

In El Rosario in September, the precipitation amount is 169 mm (6.6 in) over the course of 19 days.

September Precipitation Trends in El Rosario

The chart displays monthly precipitation patterns in El Rosario, 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 El Rosario, September typically receives around 169 mm (6.6 inches) of precipitation spread over approximately 19 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 El Rosario

In El Rosario in September, humidity is 75%. With an average temperature of 23°C (74°F), this humidity feels like a warm, heavy blanket wrapping around you, making it feel more sweltering than it actually is, which can be quite uncomfortable for traveling.

September Average Humidity in El Rosario

This chart illustrates the average monthly humidity levels in El Rosario, 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 El Rosario 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 El Rosario

In El Rosario 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 El Rosario.

Maximum UV Index Levels in El Rosario for September

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

Data source: El Rosario 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 El Rosario Compares to Other Months

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

This table compares monthly weather conditions in El Rosario, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	20°C (68°F)	33 mm (1.3 inches)	78%	extreme
February Weather	21°C (70°F)	21 mm (0.8 inches)	74%	extreme
March Weather	22°C (72°F)	25 mm (1.0 inches)	67%	extreme
April Weather	24°C (75°F)	58 mm (2.3 inches)	61%	extreme
May Weather	24°C (76°F)	185 mm (7.3 inches)	59%	extreme
June Weather	23°C (74°F)	170 mm (6.7 inches)	61%	extreme
July Weather	23°C (74°F)	98 mm (3.8 inches)	68%	extreme
August Weather	23°C (74°F)	136 mm (5.4 inches)	70%	extreme
September Weather	23°C (74°F)	169 mm (6.6 inches)	75%	extreme
October Weather	22°C (72°F)	254 mm (10.0 inches)	81%	extreme
November Weather	21°C (69°F)	130 mm (5.1 inches)	82%	very high
December Weather	20°C (68°F)	43 mm (1.7 inches)	75%	very high