September Weather in North Topsail Beach, United States

Last updated: June 24, 2025

In September, the average temperature in North Topsail Beach, United States hovers around 25°C (77°F), with a pleasant range from a minimum of 14°C (58°F) to a maximum of 32°C (90°F). The area experiences 232 mm (9.1 in) of precipitation over approximately 12 days, contributing to an average humidity level of 79%. Enjoy the warm, tropical vibes while staying prepared for the occasional rain!

September Temperature in North Topsail Beach

In September in North Topsail Beach, the average temperature is 25°C (77°F). The maximum can reach 32°C (90°F), while the minimum can be as low as 14°C (58°F). This pleasant climate makes North Topsail Beach an ideal destination for travelers seeking warm weather and outdoor adventures.

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

The chart illustrates September temperature patterns in North Topsail 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 Topsail Beach, September typically has an average temperature of 25°C (77°F), with highs reaching up to 32°C (90°F) and lows dropping to around 14°C (58°F).

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

September Precipitation in North Topsail Beach

In North Topsail Beach in September, the precipitation amount is 232 mm (9.1 in) over the course of 12 days.

September Precipitation Trends in North Topsail Beach

The chart displays monthly precipitation patterns in North Topsail 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 Topsail Beach, September typically receives around 232 mm (9.1 inches) of precipitation spread over approximately 12 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 Topsail Beach

In North Topsail Beach in September, humidity is 79%. With an average temperature of 25°C (77°F), this humidity feels like a warm blanket wrapping around you, making travel feel slightly sluggish but pleasantly tropical.

September Average Humidity in North Topsail Beach

This chart illustrates the average monthly humidity levels in North Topsail 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 Topsail Beach is approximately 79%, 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 Topsail Beach

In North Topsail Beach 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 North Topsail Beach.

Maximum UV Index Levels in North Topsail Beach for September

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

Data source: North Topsail 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 Topsail Beach Compares to Other Months

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

This table compares monthly weather conditions in North Topsail Beach, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (49°F)	79 mm (3.1 inches)	85%	moderate
February Weather	11°C (53°F)	117 mm (4.6 inches)	82%	high
March Weather	13°C (56°F)	77 mm (3.0 inches)	81%	very high
April Weather	17°C (63°F)	114 mm (4.5 inches)	80%	very high
May Weather	22°C (71°F)	111 mm (4.4 inches)	81%	extreme
June Weather	25°C (77°F)	159 mm (6.3 inches)	81%	extreme
July Weather	27°C (80°F)	154 mm (6.1 inches)	81%	extreme
August Weather	26°C (80°F)	195 mm (7.7 inches)	80%	very high
September Weather	25°C (77°F)	232 mm (9.1 inches)	79%	very high
October Weather	21°C (70°F)	72 mm (2.8 inches)	80%	very high
November Weather	14°C (58°F)	127 mm (5.0 inches)	85%	high
December Weather	11°C (53°F)	133 mm (5.2 inches)	86%	moderate