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September Weather in Holley, United States

Last updated: June 24, 2025

In September, the average temperature in Holley, United States is a warm 27°C (80°F), making it a desirable destination for visitors. However, temperatures can range significantly, with a minimum of 14°C (57°F) and a maximum soaring to 38°C (100°F). Guests should also prepare for some rain, as 154 mm (6.1 in) of precipitation can be expected over approximately 14 days. Humidity levels are relatively high at 79%, creating a tropical atmosphere in this vibrant locale.

September Temperature in Holley

In September in Holley, the average temperature is 27°C (80°F). Maximums can reach 38°C (100°F), and minimums can be as low as 14°C (57°F). This makes it an ideal time for travelers seeking warm weather, so pack accordingly to enjoy all that Holley has to offer!

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

The chart illustrates September temperature patterns in Holley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Holley, September typically has an average temperature of 27°C (80°F), with highs reaching up to 38°C (100°F) and lows dropping to around 14°C (57°F).
JanFebMarAprMayJunJulAugSepOctNovDec546064687681828280736157
Data source: Temperature data for Holley 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 Holley

In Holley in September, the total precipitation amount is 154 mm (6.1 in) over a period of 14 days.

September Precipitation Trends in Holley

The chart displays monthly precipitation patterns in Holley, 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 Holley, September typically receives around 154 mm (6.1 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec901166612910119214616715411547121
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Holley

In Holley in September humidity is 79%. With an average temperature of 27°C (80°F), this humidity feels like walking through a warm, dense blanket, making travel feel sluggish and allowing every step to become noticeably heavier.

September Average Humidity in Holley

This chart illustrates the average monthly humidity levels in Holley, 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 Holley is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%82%79%77%74%70%78%78%79%74%83%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Holley

In Holley 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 Holley.

Maximum UV Index Levels in Holley for September

The chart shows the monthly maximum UV Index (UVI) for Holley 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 Holley typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111111121110864
Data source: Holley 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 Holley Compares to Other Months

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

This table compares monthly weather conditions in Holley, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (54°F)90 mm (3.6 inches)83%moderate
February Weather15°C (60°F)116 mm (4.6 inches)82%very high
March Weather18°C (64°F)66 mm (2.6 inches)79%very high
April Weather20°C (68°F)128 mm (5.1 inches)77%extreme
May Weather24°C (76°F)101 mm (4.0 inches)74%extreme
June Weather27°C (81°F)192 mm (7.5 inches)70%extreme
July Weather28°C (82°F)146 mm (5.7 inches)78%extreme
August Weather28°C (82°F)167 mm (6.6 inches)78%extreme
September Weather27°C (80°F)154 mm (6.1 inches)79%very high
October Weather23°C (74°F)115 mm (4.5 inches)74%very high
November Weather16°C (61°F)47 mm (1.9 inches)83%high
December Weather14°C (57°F)121 mm (4.8 inches)86%moderate

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