September Weather in Brookdale, United States

Last updated: June 24, 2025

In Brookdale, United States, the average temperature in September is a pleasant 25°C (78°F). Expect minimums of 11°C (53°F) and maximums soaring up to 37°C (99°F). This month also brings 104 mm (4.1 in) of precipitation over approximately 8 days, resulting in an average humidity level of 83%. Embrace the warmth, but don't forget your umbrella!

September Temperature in Brookdale

In September in Brookdale, the average temperature is 25°C (78°F). Maximums can reach 37°C (99°F), while minimums can be as low as 11°C (53°F). This range makes it a great time for travelers who enjoy warm weather, with opportunities to explore both outdoor activities and cozy indoor experiences.

September Weather in Brookdale: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Brookdale, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Brookdale, September typically has an average temperature of 25°C (78°F), with highs reaching up to 37°C (99°F) and lows dropping to around 11°C (53°F).

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

September Precipitation in Brookdale

In Brookdale, in September, the precipitation amount is 104 mm (4.1 in) over a span of 8 days.

September Precipitation Trends in Brookdale

The chart displays monthly precipitation patterns in Brookdale, 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 Brookdale, September typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 8 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 Brookdale

In Brookdale in September, humidity is 83%. With an average temperature of 25°C (78°F), this humidity feels like stepping into a warm, damp embrace, making travel sticky and exhausting, as each movement can leave you drenched in sweat.

September Average Humidity in Brookdale

This chart illustrates the average monthly humidity levels in Brookdale, 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 Brookdale is approximately 83%, 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 Brookdale

In Brookdale 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 Brookdale.

Maximum UV Index Levels in Brookdale for September

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

Data source: Brookdale 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 Brookdale Compares to Other Months

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

This table compares monthly weather conditions in Brookdale, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (50°F)	76 mm (3.0 inches)	86%	moderate
February Weather	13°C (55°F)	96 mm (3.8 inches)	81%	high
March Weather	15°C (59°F)	77 mm (3.0 inches)	81%	very high
April Weather	19°C (66°F)	119 mm (4.7 inches)	79%	very high
May Weather	23°C (74°F)	97 mm (3.8 inches)	75%	extreme
June Weather	26°C (79°F)	113 mm (4.5 inches)	75%	extreme
July Weather	28°C (82°F)	152 mm (6.0 inches)	80%	extreme
August Weather	27°C (81°F)	137 mm (5.4 inches)	81%	extreme
September Weather	25°C (78°F)	104 mm (4.1 inches)	83%	very high
October Weather	21°C (70°F)	66 mm (2.6 inches)	78%	very high
November Weather	13°C (56°F)	65 mm (2.6 inches)	85%	high
December Weather	11°C (52°F)	134 mm (5.3 inches)	87%	moderate