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September Weather in Cartersville, United States

Last updated: June 24, 2025

The average temperature in Cartersville, United States during September is a pleasant 23°C (75°F). Expect temperatures to fluctuate between a minimum of 10°C (50°F) and a maximum of 35°C (96°F). Be prepared for some rain, as the precipitation amount is around 108 mm (4.2 in) over approximately 8 days. With an average humidity of 76%, make sure to stay hydrated and enjoy your time!

September Temperature in Cartersville

In September, in Cartersville, the average temperature is 23°C (75°F). Maximums can reach 35°C (96°F) and minimums can be as low as 10°C (50°F). Overall, it's a great time for traveling, offering warm days and cooler nights for comfortable exploration.

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

The chart illustrates September temperature patterns in Cartersville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cartersville, September typically has an average temperature of 23°C (75°F), with highs reaching up to 35°C (96°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec445055617176797874655247
Data source: Temperature data for Cartersville 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 Cartersville

In Cartersville in September, the precipitation amount is 108 mm (4.2 in), which occurs over a span of 8 days.

September Precipitation Trends in Cartersville

The chart displays monthly precipitation patterns in Cartersville, 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 Cartersville, September typically receives around 108 mm (4.2 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec11617214813610912712413810813290139
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Cartersville

In Cartersville in September humidity is 76%. With an average temperature of 23°C (75°F), this humidity feels like walking through a warm, thick mist, making travel slightly sluggish and requiring frequent breaks to stay refreshed.

September Average Humidity in Cartersville

This chart illustrates the average monthly humidity levels in Cartersville, 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 Cartersville is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%86%82%85%85%83%76%76%80%88%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Cartersville

In Cartersville 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 Cartersville.

Maximum UV Index Levels in Cartersville for September

The chart shows the monthly maximum UV Index (UVI) for Cartersville 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 Cartersville typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111110109764
Data source: Cartersville 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 Cartersville Compares to Other Months

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

This table compares monthly weather conditions in Cartersville, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)116 mm (4.6 inches)86%moderate
February Weather10°C (50°F)172 mm (6.8 inches)86%high
March Weather13°C (56°F)148 mm (5.8 inches)86%very high
April Weather16°C (62°F)136 mm (5.3 inches)82%very high
May Weather21°C (71°F)108 mm (4.3 inches)85%extreme
June Weather24°C (76°F)127 mm (5.0 inches)85%extreme
July Weather26°C (79°F)124 mm (4.9 inches)83%very high
August Weather26°C (78°F)138 mm (5.4 inches)76%very high
September Weather23°C (75°F)108 mm (4.2 inches)76%very high
October Weather18°C (65°F)131 mm (5.2 inches)80%high
November Weather11°C (52°F)90 mm (3.5 inches)88%high
December Weather8°C (48°F)139 mm (5.5 inches)88%moderate

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