September Weather in North Palm Beach, United States

Last updated: June 24, 2025

In September, the average temperature in North Palm Beach, United States is a warm 28°C (83°F), with a minimum of 25°C (76°F) and a maximum reaching up to 33°C (91°F). Expect significant moisture with an average of 189 mm (7.4 in) of precipitation spread over 24 days, and an average humidity level of 83%. It's a vibrant time of year, perfect for enjoying the lush landscape!

September Temperature in North Palm Beach

In September in North Palm Beach, the average temperature is 28°C (83°F), with maximums reaching up to 33°C (91°F) and minimums dropping as low as 25°C (76°F). This pleasant climate makes it an ideal time for travelers to explore the vibrant attractions and enjoy outdoor activities.

September Weather in North Palm Beach: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in North Palm Beach, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In North Palm Beach, September typically has an average temperature of 28°C (83°F), with highs reaching up to 33°C (91°F) and lows dropping to around 25°C (76°F).

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

September Precipitation in North Palm Beach

In North Palm Beach in September, the precipitation amount is 189 mm (7.4 in) over the course of 24 days.

September Precipitation Trends in North Palm Beach

The chart displays monthly precipitation patterns in North Palm Beach, 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 North Palm Beach, September typically receives around 189 mm (7.4 inches) of precipitation spread over approximately 24 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 North Palm Beach

In North Palm Beach in September humidity is 83%. With an average temperature of 28°C (83°F), this humidity feels like a warm, sticky blanket wrapping around you, making travel uncomfortable and requiring frequent breaks to hydrate and cool down.

September Average Humidity in North Palm Beach

This chart illustrates the average monthly humidity levels in North Palm Beach, 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 North Palm Beach 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 North Palm Beach

In North Palm Beach 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 North Palm Beach.

Maximum UV Index Levels in North Palm Beach for September

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

Data source: North Palm Beach 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 North Palm Beach Compares to Other Months

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

This table compares monthly weather conditions in North Palm Beach, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	21°C (69°F)	43 mm (1.7 inches)	83%	high
February Weather	22°C (72°F)	54 mm (2.1 inches)	80%	very high
March Weather	22°C (72°F)	36 mm (1.4 inches)	75%	very high
April Weather	24°C (76°F)	86 mm (3.4 inches)	68%	extreme
May Weather	26°C (78°F)	158 mm (6.2 inches)	65%	extreme
June Weather	27°C (81°F)	215 mm (8.5 inches)	73%	extreme
July Weather	28°C (83°F)	192 mm (7.6 inches)	77%	extreme
August Weather	28°C (84°F)	202 mm (8.0 inches)	80%	extreme
September Weather	28°C (83°F)	189 mm (7.4 inches)	83%	extreme
October Weather	27°C (81°F)	159 mm (6.3 inches)	83%	very high
November Weather	24°C (76°F)	93 mm (3.6 inches)	83%	high
December Weather	22°C (72°F)	48 mm (1.9 inches)	84%	moderate