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September Weather in Winnsboro, United States

Last updated: June 24, 2025

In September, the average temperature in Winnsboro, United States hovers around a pleasant 26°C (79°F), with daily highs reaching up to 38°C (101°F) and occasional drops to a cooler 10°C (51°F). Expect about 90 mm (3.5 in) of precipitation over 8 days, contributing to a moderate average humidity of 65%. Be prepared for warm days interspersed with refreshing showers!

September Temperature in Winnsboro

In September in Winnsboro, the average temperature is 26°C (79°F), with maximums reaching 38°C (101°F) and minimums dropping to as low as 10°C (51°F). This diverse temperature range makes Winnsboro a perfect destination for those who enjoy a variety of weather experiences while traveling.

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

The chart illustrates September temperature patterns in Winnsboro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Winnsboro, September typically has an average temperature of 26°C (79°F), with highs reaching up to 38°C (101°F) and lows dropping to around 10°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec474959647380838378675651
Data source: Temperature data for Winnsboro 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 Winnsboro

In Winnsboro in September, the precipitation amount is 90 mm (3.5 in) spread over 8 days, indicating a relatively wet period for the region.

September Precipitation Trends in Winnsboro

The chart displays monthly precipitation patterns in Winnsboro, 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 Winnsboro, September typically receives around 90 mm (3.5 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec1001471301751719775769012967107
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Winnsboro

In Winnsboro in September, humidity is 65%. With an average temperature of 26°C (79°F), this humidity feels like a warm, enveloping blanket, making travel quite sticky and uncomfortable.

September Average Humidity in Winnsboro

This chart illustrates the average monthly humidity levels in Winnsboro, 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 Winnsboro is approximately 65%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%79%78%78%81%78%73%66%65%72%82%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Winnsboro

In Winnsboro 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 Winnsboro.

Maximum UV Index Levels in Winnsboro for September

The chart shows the monthly maximum UV Index (UVI) for Winnsboro 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 Winnsboro typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111110864
Data source: Winnsboro 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 Winnsboro Compares to Other Months

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

This table compares monthly weather conditions in Winnsboro, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)100 mm (3.9 inches)80%moderate
February Weather9°C (49°F)147 mm (5.8 inches)79%high
March Weather15°C (60°F)130 mm (5.1 inches)78%very high
April Weather18°C (64°F)175 mm (6.9 inches)78%very high
May Weather23°C (73°F)171 mm (6.7 inches)81%extreme
June Weather27°C (80°F)97 mm (3.8 inches)78%extreme
July Weather29°C (84°F)75 mm (2.9 inches)73%extreme
August Weather29°C (84°F)76 mm (3.0 inches)66%extreme
September Weather26°C (79°F)90 mm (3.5 inches)65%very high
October Weather20°C (68°F)129 mm (5.1 inches)72%very high
November Weather13°C (56°F)67 mm (2.6 inches)82%high
December Weather11°C (51°F)107 mm (4.2 inches)87%moderate

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