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September Weather in Austell, United States

Last updated: June 24, 2025

In September, the average temperature in Austell, United States is a pleasant 24°C (75°F). Expect a temperature range between a chilly 10°C (51°F) and a warm 35°C (96°F). The region experiences approximately 110 mm (4.3 in) of precipitation spread over 9 days, contributing to an average humidity of 82%. Whether you’re exploring or relaxing, be prepared for a diverse weather experience!

September Temperature in Austell

In September in Austell, the average temperature is 24°C (75°F). The maximum can reach 35°C (96°F), and the minimum can be as low as 10°C (51°F). This variation makes it a great destination for travelers seeking both warmth and mild weather.

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

The chart illustrates September temperature patterns in Austell, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Austell, September typically has an average temperature of 24°C (75°F), with highs reaching up to 35°C (96°F) and lows dropping to around 10°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec455156627176797874665248
Data source: Temperature data for Austell 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 Austell

In Austell in September, the precipitation amount is 110 mm (4.3 in) over the course of 9 days.

September Precipitation Trends in Austell

The chart displays monthly precipitation patterns in Austell, 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 Austell, September typically receives around 110 mm (4.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec1081501281299512811713811012283139
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Austell

In Austell in September, humidity is 82%. With an average temperature of 24°C (75°F), this humidity feels like a warm embrace, making travel feel sticky and heavy on the skin, often requiring more frequent breaks and hydration.

September Average Humidity in Austell

This chart illustrates the average monthly humidity levels in Austell, 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 Austell is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%83%81%81%81%83%81%82%78%86%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Austell

In Austell 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 Austell.

Maximum UV Index Levels in Austell for September

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

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

This table compares monthly weather conditions in Austell, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)108 mm (4.2 inches)86%moderate
February Weather11°C (51°F)150 mm (5.9 inches)84%high
March Weather13°C (56°F)128 mm (5.0 inches)83%very high
April Weather17°C (62°F)129 mm (5.1 inches)81%very high
May Weather22°C (71°F)95 mm (3.8 inches)81%extreme
June Weather24°C (76°F)128 mm (5.1 inches)81%extreme
July Weather26°C (79°F)117 mm (4.6 inches)83%extreme
August Weather26°C (78°F)138 mm (5.4 inches)81%very high
September Weather24°C (75°F)110 mm (4.3 inches)82%very high
October Weather19°C (66°F)122 mm (4.8 inches)78%very high
November Weather11°C (52°F)83 mm (3.3 inches)86%high
December Weather9°C (48°F)139 mm (5.5 inches)89%moderate

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