September Weather in Perryville, United States

Last updated: June 24, 2025

In September, the average temperature in Perryville, United States is a pleasant 22°C (72°F). However, temperatures can swing from a chilly 8°C (47°F) to a scorching 36°C (97°F). Expect about 127 mm (5.0 in) of precipitation over 9 days, while the average humidity hovers around 71%, adding a touch of warmth to the air.

September Temperature in Perryville

In September in Perryville, the average temperature is 22°C (72°F), with maximums reaching 36°C (97°F) and minimums dropping as low as 8°C (47°F). This weather makes it an ideal time for outdoor activities and exploring the local attractions while enjoying comfortable temperatures.

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

The chart illustrates September temperature patterns in Perryville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Perryville, September typically has an average temperature of 22°C (72°F), with highs reaching up to 36°C (97°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec364148566774787671614642
Data source: Temperature data for Perryville 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 Perryville

In Perryville in September, the precipitation amount is 127 mm (5.0 in) over a span of 9 days.

September Precipitation Trends in Perryville

The chart displays monthly precipitation patterns in Perryville, 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 Perryville, September typically receives around 127 mm (5.0 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec9915314514912216910410312711392132
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Perryville

In Perryville in September humidity is 71%. With an average temperature of 22°C (72°F), this humidity feels like the air is thick and slightly stifling, making outdoor activities require frequent breaks to stay hydrated and cool.

September Average Humidity in Perryville

This chart illustrates the average monthly humidity levels in Perryville, 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 Perryville is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%86%86%82%83%83%80%74%71%78%88%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Perryville

In Perryville 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 Perryville.

Maximum UV Index Levels in Perryville for September

The chart shows the monthly maximum UV Index (UVI) for Perryville 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 Perryville typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111109753
Data source: Perryville 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 Perryville Compares to Other Months

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

This table compares monthly weather conditions in Perryville, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (37°F)99 mm (3.9 inches)87%moderate
February Weather5°C (42°F)153 mm (6.0 inches)86%moderate
March Weather9°C (49°F)145 mm (5.7 inches)86%high
April Weather13°C (56°F)149 mm (5.9 inches)82%very high
May Weather20°C (68°F)122 mm (4.8 inches)82%very high
June Weather23°C (74°F)168 mm (6.6 inches)83%extreme
July Weather26°C (78°F)104 mm (4.1 inches)80%extreme
August Weather25°C (76°F)103 mm (4.1 inches)74%very high
September Weather22°C (72°F)127 mm (5.0 inches)71%very high
October Weather16°C (61°F)113 mm (4.4 inches)78%high
November Weather8°C (46°F)92 mm (3.6 inches)88%moderate
December Weather5°C (42°F)132 mm (5.2 inches)88%moderate

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