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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 warm 26°C (78°F), with the mercury dipping as low as 12°C (53°F) and soaring to a sizzling 37°C (100°F). Expect 81 mm (3.2 in) of precipitation spread over 9 days, contributing to an average humidity of 74%. Whether you're soaking up the sun or navigating the occasional rain, this month offers a dynamic range of weather experiences!

September Temperature in Greensboro

In September in Greensboro, the average temperature is 26°C (78°F). The maximum can reach 37°C (100°F), while the minimum can drop as low as 12°C (53°F). Be prepared for warm days and cooler nights while enjoying your travels in this vibrant destination.

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 (78°F), with highs reaching up to 37°C (100°F) and lows dropping to around 12°C (53°F).
JanFebMarAprMayJunJulAugSepOctNovDec485460657479828178705551
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 precipitation amount is 81 mm (3.2 in) spread over a duration of 9 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 81 mm (3.2 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec1071461381421131571111348112982139
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 74%. With an average temperature of 26°C (78°F), this humidity feels like a warm, enveloping blanket that can make traveling feel slightly stifling; it’s important to stay hydrated and take breaks in shaded areas to fully enjoy your adventures.

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 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%82%82%82%79%82%77%74%73%85%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.
JanFebMarAprMayJunJulAugSepOctNovDec478101111111110864
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 Weather9°C (49°F)106 mm (4.2 inches)85%moderate
February Weather12°C (55°F)146 mm (5.8 inches)84%high
March Weather16°C (61°F)138 mm (5.4 inches)82%very high
April Weather18°C (65°F)142 mm (5.6 inches)82%very high
May Weather23°C (74°F)113 mm (4.4 inches)82%extreme
June Weather26°C (79°F)157 mm (6.2 inches)79%extreme
July Weather28°C (82°F)111 mm (4.4 inches)82%extreme
August Weather27°C (81°F)134 mm (5.3 inches)77%extreme
September Weather26°C (78°F)81 mm (3.2 inches)74%very high
October Weather21°C (70°F)129 mm (5.1 inches)73%very high
November Weather13°C (55°F)82 mm (3.2 inches)85%high
December Weather11°C (52°F)139 mm (5.5 inches)88%moderate

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