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September Weather in Du Quoin, United States

Last updated: June 24, 2025

The average temperature in Du Quoin, United States during September is a pleasant 23°C (74°F). However, temperatures can fluctuate, with a minimum of 9°C (48°F) and a maximum reaching 35°C (95°F). Expect some rain, as the area typically receives around 68 mm (2.7 in) of precipitation over about 6 days, coupled with an average humidity level of 75%.

September Temperature in Du Quoin

In September in Du Quoin, the average temperature is 23°C (74°F). Maximums can reach 35°C (95°F), and minimums can be as low as 9°C (48°F). This makes Du Quoin a great destination for travelers seeking a comfortable climate to explore outdoor activities and enjoy the local scenery.

September Weather in Du Quoin: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Du Quoin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Du Quoin, September typically has an average temperature of 23°C (74°F), with highs reaching up to 35°C (95°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec353849576877817773614541
Data source: Temperature data for Du Quoin 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 Du Quoin

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

September Precipitation Trends in Du Quoin

The chart displays monthly precipitation patterns in Du Quoin, 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 Du Quoin, September typically receives around 68 mm (2.7 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec96111144141146878786681179085
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Du Quoin

In Du Quoin in September, humidity is 75%. With an average temperature of 23°C (74°F), this humidity feels like a warm, heavy blanket wrapping around you, making it feel more sweltering than it actually is, which can be quite uncomfortable for traveling.

September Average Humidity in Du Quoin

This chart illustrates the average monthly humidity levels in Du Quoin, 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 Du Quoin is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%84%80%82%83%80%76%75%75%85%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Du Quoin

In Du Quoin 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 Du Quoin.

Maximum UV Index Levels in Du Quoin for September

The chart shows the monthly maximum UV Index (UVI) for Du Quoin 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 Du Quoin typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579111110109753
Data source: Du Quoin 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 Du Quoin Compares to Other Months

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

This table compares monthly weather conditions in Du Quoin, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (35°F)96 mm (3.8 inches)86%moderate
February Weather3°C (38°F)111 mm (4.4 inches)84%moderate
March Weather9°C (49°F)143 mm (5.6 inches)84%high
April Weather14°C (57°F)141 mm (5.6 inches)80%very high
May Weather20°C (69°F)146 mm (5.7 inches)82%extreme
June Weather25°C (78°F)87 mm (3.4 inches)83%extreme
July Weather27°C (81°F)87 mm (3.4 inches)79%very high
August Weather25°C (78°F)86 mm (3.4 inches)76%very high
September Weather23°C (74°F)68 mm (2.7 inches)75%very high
October Weather16°C (61°F)117 mm (4.6 inches)74%high
November Weather7°C (46°F)90 mm (3.5 inches)85%moderate
December Weather5°C (41°F)85 mm (3.4 inches)88%moderate

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