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September Weather in Greensboro, United States

Last updated: June 24, 2025

In September, the average temperature in Greensboro, United States is a pleasant 23°C (73°F). However, be prepared for a fluctuation, as temperatures can dip to a chilly 7°C (44°F) or soar to a sizzling 36°C (96°F). The region experiences significant rainfall, with 131 mm (5.1 in) of precipitation spread over 10 days, contributing to an average humidity of 79%.

September Temperature in Greensboro

In September in Greensboro, the average temperature is 23°C (73°F). Maximum temperatures can reach 36°C (96°F), while minimums can drop to as low as 7°C (44°F). Be prepared for a mix of warm days and cooler evenings when traveling to Greensboro during this time.

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 23°C (73°F), with highs reaching up to 36°C (96°F) and lows dropping to around 7°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec414752606975807773645045
Data source: Temperature data for Greensboro generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Greensboro

In Greensboro in September, the total precipitation amount is 131 mm (5.1 in) over a period 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 131 mm (5.1 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec87116841071211051021271319779107
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Greensboro

In Greensboro in September humidity is 79%. With an average temperature of 23°C (73°F), this humidity feels like a warm embrace that clings to the skin, making travel feel both invigorating and slightly exhausting as the air wraps around you like a damp blanket.

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 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%82%81%80%81%81%81%80%79%80%86%86%
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.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109853
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.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)87 mm (3.4 inches)85%moderate
February Weather8°C (47°F)116 mm (4.6 inches)82%high
March Weather11°C (52°F)84 mm (3.3 inches)81%very high
April Weather16°C (61°F)107 mm (4.2 inches)80%very high
May Weather21°C (69°F)121 mm (4.8 inches)81%extreme
June Weather24°C (76°F)105 mm (4.1 inches)81%extreme
July Weather26°C (80°F)102 mm (4.0 inches)81%extreme
August Weather25°C (78°F)127 mm (5.0 inches)80%very high
September Weather23°C (73°F)131 mm (5.1 inches)79%very high
October Weather18°C (64°F)97 mm (3.8 inches)80%very high
November Weather10°C (50°F)79 mm (3.1 inches)85%moderate
December Weather7°C (45°F)107 mm (4.2 inches)86%moderate

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