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September Weather in Clay City, United States

Last updated: June 24, 2025

In September, the average temperature in Clay City, United States hovers around 23°C (73°F). You'll experience a comfortable range, with lows of 8°C (46°F) and highs reaching up to 34°C (94°F). Expect precipitation of about 68 mm (2.7 in) over 6 days, and keep in mind that the average humidity is a balmy 79%.

September Temperature in Clay City

In September in Clay City, the average temperature is 23°C (73°F). Maximums can reach 34°C (94°F) and minimums can be as low as 8°C (46°F). This makes it a great time to explore Clay City, but be sure to pack for both warm days and cooler nights.

September Weather in Clay City: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Clay City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Clay City, September typically has an average temperature of 23°C (73°F), with highs reaching up to 34°C (94°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec333647556877807673604439
Data source: Temperature data for Clay City 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 Clay City

In Clay City in September, the precipitation amount is 68 mm (2.7 in) spread over the course of 6 days.

September Precipitation Trends in Clay City

The chart displays monthly precipitation patterns in Clay City, 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 Clay City, September typically receives around 68 mm (2.7 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec8910213111913911210093681109887
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Clay City

In Clay City in September humidity is 79%. With an average temperature of 23°C (73°F), this humidity feels like a warm embrace that clings to the skin, making travel feel both invigorating and slightly exhausting as the air wraps around you like a damp blanket.

September Average Humidity in Clay City

This chart illustrates the average monthly humidity levels in Clay City, 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 Clay City is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%84%83%80%83%82%83%79%79%88%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Clay City

In Clay City 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 Clay City.

Maximum UV Index Levels in Clay City for September

The chart shows the monthly maximum UV Index (UVI) for Clay City 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 Clay City typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357911111099643
Data source: Clay City 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 Clay City Compares to Other Months

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

This table compares monthly weather conditions in Clay City, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (33°F)89 mm (3.5 inches)84%moderate
February Weather2°C (37°F)102 mm (4.0 inches)82%moderate
March Weather8°C (47°F)131 mm (5.1 inches)84%high
April Weather13°C (56°F)119 mm (4.7 inches)83%very high
May Weather20°C (68°F)139 mm (5.5 inches)80%extreme
June Weather25°C (77°F)112 mm (4.4 inches)83%extreme
July Weather26°C (80°F)100 mm (4.0 inches)82%very high
August Weather25°C (77°F)92 mm (3.6 inches)82%very high
September Weather23°C (73°F)68 mm (2.7 inches)79%very high
October Weather15°C (60°F)110 mm (4.3 inches)79%high
November Weather7°C (44°F)98 mm (3.9 inches)88%moderate
December Weather4°C (39°F)87 mm (3.4 inches)87%moderate

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