September Weather in Las Vegas, Honduras

Last updated: August 23, 2025

The average temperature in Las Vegas, Honduras during September hovers around 24°C (76°F), making it a comfortable destination for travelers. Expect temperatures to swing from a minimum of 17°C (63°F) to a maximum of 33°C (92°F). However, be prepared for 229 mm (9.0 in) of rainfall over 25 days, resulting in an average humidity of 71%. This unique blend of warmth and moisture makes Las Vegas a vibrant, albeit occasionally rainy, locale to explore.

September Temperature in Las Vegas

In September in Las Vegas, the average temperature is 24°C (76°F). Maximum temperatures can reach up to 33°C (92°F), while the minimum can drop to as low as 17°C (63°F). Overall, this climate makes Las Vegas a comfortable destination for travelers seeking mild weather.

September Weather in Las Vegas: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Las Vegas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Las Vegas, 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 17°C (63°F).

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

September Precipitation in Las Vegas

In Las Vegas, in September, the total precipitation amount is 229 mm (9.0 in) over the course of 25 days.

September Precipitation Trends in Las Vegas

The chart displays monthly precipitation patterns in Las Vegas, 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 Las Vegas, September typically receives around 229 mm (9.0 inches) of precipitation spread over approximately 25 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 Las Vegas

In Las Vegas 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 Las Vegas

This chart illustrates the average monthly humidity levels in Las Vegas, 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 Las Vegas 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 Las Vegas

In Las Vegas 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 Las Vegas.

Maximum UV Index Levels in Las Vegas for September

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

Data source: Las Vegas 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 Las Vegas Compares to Other Months

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

This table compares monthly weather conditions in Las Vegas, 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)	56 mm (2.2 inches)	80%	very high
February Weather	22°C (71°F)	31 mm (1.2 inches)	72%	extreme
March Weather	23°C (73°F)	42 mm (1.6 inches)	61%	extreme
April Weather	25°C (78°F)	52 mm (2.1 inches)	53%	extreme
May Weather	25°C (78°F)	173 mm (6.8 inches)	51%	extreme
June Weather	25°C (77°F)	179 mm (7.1 inches)	52%	extreme
July Weather	25°C (77°F)	145 mm (5.7 inches)	58%	extreme
August Weather	24°C (76°F)	226 mm (8.9 inches)	63%	extreme
September Weather	24°C (76°F)	229 mm (9.0 inches)	71%	extreme
October Weather	23°C (74°F)	253 mm (9.9 inches)	79%	extreme
November Weather	21°C (70°F)	185 mm (7.3 inches)	79%	very high
December Weather	20°C (69°F)	69 mm (2.7 inches)	74%	very high