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September Weather in Carrollton, United States

Last updated: June 24, 2025

In Carrollton, United States, the average temperature in September hovers around 24°C (75°F). Expect a minimum of 10°C (51°F) and a maximum reaching up to 36°C (96°F). During this month, anticipate 105 mm (4.1 in) of precipitation spread over 8 days, with an average humidity level of 73%. Whether you're planning a trip or just curious, these conditions set the stage for a varied and lively atmosphere.

September Temperature in Carrollton

In September in Carrollton, the average temperature is 24°C (75°F). The maximum can reach 36°C (96°F), and the minimum can be as low as 10°C (51°F). This pleasant climate makes Carrollton an ideal destination for travelers seeking a mix of warmth and cool breezes.

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

The chart illustrates September temperature patterns in Carrollton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Carrollton, September typically has an average temperature of 24°C (75°F), with highs reaching up to 36°C (96°F) and lows dropping to around 10°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec465156627176797875665248
Data source: Temperature data for Carrollton 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 Carrollton

In Carrollton in September, the precipitation amount is 105 mm (4.1 in) over the course of 8 days.

September Precipitation Trends in Carrollton

The chart displays monthly precipitation patterns in Carrollton, 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 Carrollton, September typically receives around 105 mm (4.1 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec1081511221279412711313510512385144
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Carrollton

In Carrollton in September humidity is 73%. With an average temperature of 24°C (75°F), this humidity feels like a warm embrace, making it somewhat uncomfortable for traveling if you're not acclimated, as sweat clings to your skin and limits your energy for exploration.

September Average Humidity in Carrollton

This chart illustrates the average monthly humidity levels in Carrollton, 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 Carrollton is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%82%82%81%77%77%72%73%73%85%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Carrollton

In Carrollton 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 Carrollton.

Maximum UV Index Levels in Carrollton for September

The chart shows the monthly maximum UV Index (UVI) for Carrollton 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 Carrollton typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47810111111109864
Data source: Carrollton 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 Carrollton Compares to Other Months

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

This table compares monthly weather conditions in Carrollton, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)108 mm (4.3 inches)85%moderate
February Weather11°C (52°F)151 mm (5.9 inches)84%high
March Weather14°C (57°F)122 mm (4.8 inches)82%very high
April Weather17°C (62°F)127 mm (5.0 inches)82%very high
May Weather22°C (71°F)94 mm (3.7 inches)81%extreme
June Weather24°C (76°F)127 mm (5.0 inches)77%extreme
July Weather26°C (79°F)113 mm (4.4 inches)77%extreme
August Weather26°C (78°F)135 mm (5.3 inches)72%very high
September Weather24°C (75°F)105 mm (4.1 inches)73%very high
October Weather19°C (66°F)123 mm (4.8 inches)73%very high
November Weather11°C (52°F)85 mm (3.4 inches)85%high
December Weather9°C (49°F)144 mm (5.7 inches)88%moderate

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