September Weather in Greensboro, United States

Last updated: June 24, 2025

In September, the average temperature in Greensboro, United States hovers around 26°C (79°F), with a comfortable minimum of 14°C (57°F) and the occasional peak reaching 37°C (100°F). Expect about 140 mm (5.5 in) of precipitation spread over 13 days, contributing to an average humidity level of 83%—perfect for those who enjoy a lush, tropical atmosphere!

September Temperature in Greensboro

In September in Greensboro, the average temperature is 26°C (79°F). Maximum temperatures can reach 37°C (100°F), while minimum temperatures can drop as low as 14°C (57°F). It's a great time for travelers to enjoy warm weather while still having cool evenings to relax.

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 26°C (79°F), with highs reaching up to 37°C (100°F) and lows dropping to around 14°C (57°F).
JanFebMarAprMayJunJulAugSepOctNovDec535963687580818179736056
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 140 mm (5.5 in) over the course of 13 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 140 mm (5.5 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec8211657101871761691651409946126
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 83%. With an average temperature of 26°C (79°F), this humidity feels like a heavy blanket enveloping you, making travel an exercise in endurance as the air clings to your skin and saps your energy.

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 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%82%80%76%73%74%80%79%83%77%84%88%
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 reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more 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 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589101111121110864
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 Weather12°C (54°F)82 mm (3.2 inches)85%moderate
February Weather15°C (60°F)116 mm (4.6 inches)82%very high
March Weather17°C (63°F)57 mm (2.2 inches)80%very high
April Weather20°C (68°F)101 mm (4.0 inches)76%very high
May Weather24°C (76°F)87 mm (3.4 inches)73%extreme
June Weather26°C (80°F)176 mm (6.9 inches)74%extreme
July Weather27°C (81°F)169 mm (6.6 inches)80%extreme
August Weather27°C (81°F)165 mm (6.5 inches)79%extreme
September Weather26°C (79°F)140 mm (5.5 inches)83%very high
October Weather23°C (73°F)99 mm (3.9 inches)77%very high
November Weather16°C (60°F)46 mm (1.8 inches)84%high
December Weather13°C (56°F)126 mm (5.0 inches)88%moderate

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