September Weather in Rocky Mount, United States

Last updated: June 24, 2025

In September, the average temperature in Rocky Mount, United States hovers around 21°C (70°F). You might experience a range from a cool 4°C (40°F) to a warm 34°C (94°F). Expect about 128 mm (5.0 in) of precipitation spread over approximately 10 days, and enjoy the comfortable 68% humidity that accompanies this season.

September Temperature in Rocky Mount

In September in Rocky Mount, the average temperature is 21°C (70°F). Maximum temperatures can reach 34°C (94°F), while minimums can drop as low as 4°C (40°F). It's a great time for travelers to enjoy a mix of warm days and cooler evenings, making it perfect for outdoor activities and sightseeing.

September Weather in Rocky Mount: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Rocky Mount, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rocky Mount, September typically has an average temperature of 21°C (70°F), with highs reaching up to 34°C (94°F) and lows dropping to around 4°C (40°F).

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

September Precipitation in Rocky Mount

In Rocky Mount in September, the total precipitation amount is 128 mm (5.0 in) recorded over a span of 10 days.

September Precipitation Trends in Rocky Mount

The chart displays monthly precipitation patterns in Rocky Mount, 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 Rocky Mount, September typically receives around 128 mm (5.0 inches) of precipitation spread over approximately 10 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 Rocky Mount

In Rocky Mount in September humidity is 68%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace, making the air feel slightly heavy and sticky, which can be quite exhausting for travelers.

September Average Humidity in Rocky Mount

This chart illustrates the average monthly humidity levels in Rocky Mount, 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 Rocky Mount is approximately 68%, 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 Rocky Mount

In Rocky Mount 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 Rocky Mount.

Maximum UV Index Levels in Rocky Mount for September

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

Data source: Rocky Mount 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 Rocky Mount Compares to Other Months

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

This table compares monthly weather conditions in Rocky Mount, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	3°C (38°F)	72 mm (2.8 inches)	87%	moderate
February Weather	6°C (44°F)	105 mm (4.1 inches)	87%	high
March Weather	9°C (49°F)	74 mm (2.9 inches)	86%	very high
April Weather	14°C (57°F)	135 mm (5.3 inches)	84%	very high
May Weather	19°C (66°F)	153 mm (6.0 inches)	83%	very high
June Weather	22°C (73°F)	117 mm (4.6 inches)	83%	extreme
July Weather	25°C (77°F)	73 mm (2.9 inches)	79%	very high
August Weather	24°C (75°F)	125 mm (4.9 inches)	66%	very high
September Weather	21°C (70°F)	128 mm (5.0 inches)	68%	very high
October Weather	16°C (61°F)	120 mm (4.7 inches)	78%	high
November Weather	8°C (47°F)	75 mm (3.0 inches)	89%	moderate
December Weather	6°C (42°F)	103 mm (4.1 inches)	86%	moderate