September Weather in Greensboro, United States

Last updated: June 24, 2025

In September, the average temperature in Greensboro, United States hovers around 25°C (77°F), with a minimum of 11°C (53°F) and a maximum soaring to 36°C (98°F). Be prepared for occasional showers, as the region receives about 108 mm (4.3 in) of precipitation over 8 days. With an average humidity of 82%, you might want to stay hydrated and embrace the tropical vibe!

September Temperature in Greensboro

In September in Greensboro, the average temperature is 25°C (77°F). Maximums can reach 36°C (98°F), while minimums can dip as low as 11°C (53°F). This makes it an ideal time for travelers to enjoy a range of outdoor activities, from soaking up the sun to exploring the pleasant cooler evenings.

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

The chart illustrates September temperature patterns in Greensboro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Greensboro, September typically has an average temperature of 25°C (77°F), with highs reaching up to 36°C (98°F) and lows dropping to around 11°C (53°F).

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

September Precipitation in Greensboro

In Greensboro in September, the precipitation amount is 108 mm (4.3 in) spread over 8 days.

September Precipitation Trends in Greensboro

The chart displays monthly precipitation patterns in Greensboro, 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 Greensboro, September typically receives around 108 mm (4.3 inches) of precipitation spread over approximately 8 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 Greensboro

In Greensboro in September, humidity is 82%. With an average temperature of 25°C (77°F), this humidity feels like a warm, oppressive blanket enveloping you as you explore, making every step feel more laborious and prompting the need for frequent hydration breaks.

September Average Humidity in Greensboro

This chart illustrates the average monthly humidity levels in Greensboro, 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 Greensboro is approximately 82%, 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 Greensboro

In Greensboro 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 Greensboro.

Maximum UV Index Levels in Greensboro for September

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

Data source: Greensboro 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 Greensboro Compares to Other Months

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

This table compares monthly weather conditions in Greensboro, 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 (48°F)	104 mm (4.1 inches)	86%	moderate
February Weather	12°C (53°F)	123 mm (4.8 inches)	84%	high
March Weather	14°C (58°F)	88 mm (3.5 inches)	83%	very high
April Weather	18°C (64°F)	106 mm (4.2 inches)	81%	very high
May Weather	23°C (73°F)	98 mm (3.9 inches)	81%	extreme
June Weather	26°C (78°F)	104 mm (4.1 inches)	81%	extreme
July Weather	27°C (81°F)	105 mm (4.1 inches)	83%	extreme
August Weather	27°C (80°F)	116 mm (4.6 inches)	81%	very high
September Weather	25°C (77°F)	108 mm (4.3 inches)	82%	very high
October Weather	20°C (68°F)	107 mm (4.2 inches)	78%	very high
November Weather	12°C (54°F)	81 mm (3.2 inches)	86%	high
December Weather	10°C (50°F)	130 mm (5.1 inches)	89%	moderate