September Weather in Rio Amarillo, Honduras

Last updated: August 23, 2025

In Rio Amarillo, Honduras, the average temperature in September hovers around 24°C (76°F). You can expect a minimum temperature of 18°C (65°F) and a maximum of 33°C (92°F). During this month, precipitation totals approximately 275 mm (10.8 in) spread over 28 days, contributing to an average humidity of 71%.

September Temperature in Rio Amarillo

In September in Rio Amarillo, the average temperature is 24°C (76°F). The maximum can reach 33°C (92°F), and the minimum can be as low as 18°C (65°F). It's the perfect time for travelers to enjoy pleasant weather while exploring all that Rio Amarillo has to offer.

September Weather in Rio Amarillo: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Rio Amarillo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rio Amarillo, September typically has an average temperature of 24°C (76°F), with highs reaching up to 33°C (92°F) and lows dropping to around 18°C (65°F).

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

September Precipitation in Rio Amarillo

In Rio Amarillo in September, the precipitation amount is 275 mm (10.8 in) over the course of 28 days.

September Precipitation Trends in Rio Amarillo

The chart displays monthly precipitation patterns in Rio Amarillo, 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 Rio Amarillo, September typically receives around 275 mm (10.8 inches) of precipitation spread over approximately 28 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 Rio Amarillo

In Rio Amarillo in September humidity is 71%. With an average temperature of 24°C (76°F), this humidity feels like a warm, tropical embrace, making it essential to stay hydrated while exploring, as the air is thick and can leave you feeling sticky and slightly tired after even short excursions.

September Average Humidity in Rio Amarillo

This chart illustrates the average monthly humidity levels in Rio Amarillo, 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 Rio Amarillo 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 Rio Amarillo

In Rio Amarillo 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 Rio Amarillo.

Maximum UV Index Levels in Rio Amarillo for September

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

Data source: Rio Amarillo 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 Rio Amarillo Compares to Other Months

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

This table compares monthly weather conditions in Rio Amarillo, 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 (69°F)	86 mm (3.4 inches)	80%	very high
February Weather	22°C (71°F)	75 mm (3.0 inches)	72%	extreme
March Weather	22°C (73°F)	78 mm (3.1 inches)	61%	extreme
April Weather	25°C (77°F)	56 mm (2.2 inches)	53%	extreme
May Weather	25°C (78°F)	213 mm (8.4 inches)	51%	extreme
June Weather	25°C (77°F)	323 mm (12.7 inches)	52%	extreme
July Weather	24°C (75°F)	241 mm (9.5 inches)	58%	extreme
August Weather	24°C (76°F)	266 mm (10.5 inches)	63%	extreme
September Weather	24°C (76°F)	275 mm (10.8 inches)	71%	extreme
October Weather	24°C (75°F)	286 mm (11.3 inches)	79%	extreme
November Weather	22°C (71°F)	180 mm (7.1 inches)	79%	very high
December Weather	21°C (70°F)	98 mm (3.8 inches)	74%	very high