September Weather in Greensboro, United States

Last updated: June 24, 2025

The average temperature in Greensboro, United States during September is a comfortable 22°C (73°F). However, expect a temperature range with a minimum of 9°C (48°F) and a maximum of 34°C (93°F). Rainfall averages around 102 mm (4.0 in) over 10 days, while humidity can be high at about 75%. Stay prepared for both warm sunny days and the occasional shower!

September Temperature in Greensboro

In September in Greensboro, the average temperature is 22°C (73°F). Maximum temperatures can reach 34°C (93°F), while minimums can dip as low as 9°C (48°F). This varied climate makes Greensboro a perfect destination for travelers looking to enjoy both warm days and 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 22°C (73°F), with highs reaching up to 34°C (93°F) and lows dropping to around 9°C (48°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 total precipitation amount is 102 mm (4.0 in) falling over the course of 10 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 102 mm (4.0 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 Greensboro

In Greensboro in September humidity is 75%. With an average temperature of 22°C (73°F), this humidity feels like a warm, enveloping embrace, making it essential for travelers to stay hydrated and wear light, breathable clothing to enjoy their adventures comfortably.

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 75%, 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 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to 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 8, 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	3°C (38°F)	60 mm (2.4 inches)	84%	moderate
February Weather	5°C (42°F)	97 mm (3.8 inches)	83%	moderate
March Weather	8°C (47°F)	94 mm (3.7 inches)	83%	high
April Weather	14°C (57°F)	91 mm (3.6 inches)	81%	very high
May Weather	19°C (66°F)	125 mm (4.9 inches)	78%	very high
June Weather	24°C (75°F)	107 mm (4.2 inches)	79%	very high
July Weather	27°C (80°F)	157 mm (6.2 inches)	74%	very high
August Weather	25°C (78°F)	184 mm (7.2 inches)	72%	very high
September Weather	22°C (73°F)	102 mm (4.0 inches)	75%	very high
October Weather	17°C (63°F)	120 mm (4.7 inches)	81%	high
November Weather	9°C (49°F)	77 mm (3.0 inches)	85%	moderate
December Weather	6°C (42°F)	95 mm (3.8 inches)	84%	moderate