September Weather in Black Rock, United States

Last updated: June 24, 2025

In Black Rock, United States, the average temperature in September is a pleasant 24°C (75°F). Visitors can expect minimum temperatures to dip to 8°C (47°F) and maximums soaring to 35°C (96°F). The month also brings about 78 mm (3.1 in) of precipitation spread over 6 days, accompanied by an average humidity of 71%, creating a vibrant yet comfortable atmosphere.

September Temperature in Black Rock

In September in Black Rock, the average temperature is 24°C (75°F), with maximums reaching up to 35°C (96°F) and minimums dropping as low as 8°C (47°F). This range makes it an ideal time for travelers to enjoy both warm days and cooler evenings.

September Weather in Black Rock: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Black Rock, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Black Rock, September typically has an average temperature of 24°C (75°F), with highs reaching up to 35°C (96°F) and lows dropping to around 8°C (47°F).

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

September Precipitation in Black Rock

In Black Rock in September, the precipitation amount is 78 mm (3.1 in) spread over 6 days.

September Precipitation Trends in Black Rock

The chart displays monthly precipitation patterns in Black Rock, 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 Black Rock, September typically receives around 78 mm (3.1 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 Black Rock

In Black Rock in September, humidity is 71%. With an average temperature of 24°C (75°F), this humidity feels like a warm embrace, making outdoor activities for traveling both refreshing and sometimes a bit stifling, prompting travelers to seek shaded spots or refreshing drinks while exploring.

September Average Humidity in Black Rock

This chart illustrates the average monthly humidity levels in Black Rock, 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 Black Rock 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 Black Rock

In Black Rock in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Black Rock.

Maximum UV Index Levels in Black Rock for September

The chart shows the monthly maximum UV Index (UVI) for Black Rock 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 Black Rock typically reaches 9, which falls under the very high exposure category.

Data source: Black Rock 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 Black Rock Compares to Other Months

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

This table compares monthly weather conditions in Black Rock, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (40°F)	93 mm (3.7 inches)	84%	moderate
February Weather	6°C (43°F)	149 mm (5.9 inches)	83%	high
March Weather	12°C (53°F)	146 mm (5.8 inches)	81%	very high
April Weather	15°C (59°F)	167 mm (6.6 inches)	81%	very high
May Weather	21°C (70°F)	153 mm (6.0 inches)	83%	very high
June Weather	25°C (78°F)	93 mm (3.7 inches)	83%	extreme
July Weather	28°C (82°F)	97 mm (3.8 inches)	81%	extreme
August Weather	26°C (79°F)	113 mm (4.4 inches)	74%	very high
September Weather	24°C (75°F)	78 mm (3.1 inches)	71%	very high
October Weather	17°C (63°F)	115 mm (4.5 inches)	76%	high
November Weather	9°C (49°F)	87 mm (3.4 inches)	84%	moderate
December Weather	7°C (45°F)	105 mm (4.1 inches)	88%	moderate