September Weather in Van Horn, United States

Last updated: June 24, 2025

In September, the average temperature in Van Horn, United States is a pleasant 25°C (76°F), with lows of 8°C (46°F) and highs reaching up to 37°C (99°F). Expect a moderate amount of rainfall, averaging 23 mm (0.9 in) over 6 days, and a comfortable average humidity of 74% to round out the month.

September Temperature in Van Horn

In September, in Van Horn, the average temperature is 25°C (76°F). Maximum temperatures can reach 37°C (99°F), while the minimum can drop as low as 8°C (46°F). Be sure to pack for both warm days and cool evenings while traveling during this month!

September Weather in Van Horn: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Van Horn, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Van Horn, September typically has an average temperature of 25°C (76°F), with highs reaching up to 37°C (99°F) and lows dropping to around 8°C (46°F).

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

September Precipitation in Van Horn

In Van Horn in September, the precipitation amount is 23 mm (0.9 in) spread over 6 days.

September Precipitation Trends in Van Horn

The chart displays monthly precipitation patterns in Van Horn, 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 Van Horn, September typically receives around 23 mm (0.9 inches) of precipitation spread over approximately 6 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 Van Horn

In Van Horn in September, humidity is 74%. With an average temperature of 25°C (76°F), this humidity feels like you're enveloped in a warm, steamy embrace, making outdoor adventures quite challenging and ensuring that plenty of water and shade are essential for a comfortable experience.

September Average Humidity in Van Horn

This chart illustrates the average monthly humidity levels in Van Horn, 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 Van Horn is approximately 74%, 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 Van Horn

In Van Horn in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Van Horn.

Maximum UV Index Levels in Van Horn for September

The chart shows the monthly maximum UV Index (UVI) for Van Horn 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 Van Horn typically reaches 11, which falls under the extreme exposure category.

Data source: Van Horn 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 Van Horn Compares to Other Months

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

This table compares monthly weather conditions in Van Horn, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (46°F)	10 mm (0.4 inches)	76%	moderate
February Weather	11°C (52°F)	8 mm (0.3 inches)	74%	very high
March Weather	16°C (61°F)	12 mm (0.5 inches)	63%	very high
April Weather	20°C (69°F)	9 mm (0.4 inches)	61%	extreme
May Weather	25°C (77°F)	9 mm (0.4 inches)	68%	extreme
June Weather	29°C (84°F)	22 mm (0.9 inches)	70%	extreme
July Weather	28°C (83°F)	20 mm (0.8 inches)	70%	extreme
August Weather	28°C (83°F)	20 mm (0.8 inches)	67%	extreme
September Weather	25°C (76°F)	23 mm (0.9 inches)	74%	extreme
October Weather	19°C (67°F)	18 mm (0.7 inches)	75%	very high
November Weather	13°C (56°F)	7 mm (0.3 inches)	84%	high
December Weather	9°C (48°F)	11 mm (0.4 inches)	85%	moderate