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September Weather in McLeansboro, United States

Last updated: June 24, 2025

In September, the average temperature in McLeansboro, United States hovers around 23°C (73°F). While you may enjoy warm days, be prepared for a minimum of 8°C (46°F) and the possibility of reaching up to 35°C (95°F). Travelers should anticipate approximately 76 mm (3.0 in) of precipitation spread over 7 days, coupled with an average humidity of 75%.

September Temperature in McLeansboro

In September in McLeansboro, the average temperature is 23°C (73°F), with maximums reaching 35°C (95°F) and minimums dropping to 8°C (46°F). This range makes McLeansboro an ideal destination for travelers seeking pleasant weather and a variety of outdoor activities.

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

The chart illustrates September temperature patterns in McLeansboro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In McLeansboro, September typically has an average temperature of 23°C (73°F), with highs reaching up to 35°C (95°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec353849576977807773614541
Data source: Temperature data for McLeansboro 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 McLeansboro

In McLeansboro in September, the precipitation amount is 76 mm (3.0 in) over a period of 7 days.

September Precipitation Trends in McLeansboro

The chart displays monthly precipitation patterns in McLeansboro, 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 McLeansboro, September typically receives around 76 mm (3.0 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec961111391301341158485771059491
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in McLeansboro

In McLeansboro in September, humidity is 75%. With an average temperature of 23°C (73°F), this humidity feels like a warm embrace, making travel slightly uncomfortable yet invigorating as the air wraps around you, creating a sense of walking through a lush, tropical paradise.

September Average Humidity in McLeansboro

This chart illustrates the average monthly humidity levels in McLeansboro, 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 McLeansboro 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 McLeansboro

In McLeansboro 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 McLeansboro.

Maximum UV Index Levels in McLeansboro for September

The chart shows the monthly maximum UV Index (UVI) for McLeansboro 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 McLeansboro typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35710111110109753
Data source: McLeansboro 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 McLeansboro Compares to Other Months

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

This table compares monthly weather conditions in McLeansboro, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)96 mm (3.8 inches)86%moderate
February Weather4°C (39°F)111 mm (4.4 inches)84%moderate
March Weather9°C (49°F)139 mm (5.5 inches)84%high
April Weather14°C (57°F)130 mm (5.1 inches)80%very high
May Weather20°C (69°F)134 mm (5.3 inches)82%extreme
June Weather25°C (78°F)115 mm (4.5 inches)83%extreme
July Weather27°C (81°F)84 mm (3.3 inches)79%very high
August Weather25°C (77°F)85 mm (3.3 inches)76%very high
September Weather23°C (73°F)76 mm (3.0 inches)75%very high
October Weather16°C (61°F)105 mm (4.1 inches)74%high
November Weather7°C (46°F)94 mm (3.7 inches)85%moderate
December Weather5°C (41°F)91 mm (3.6 inches)88%moderate

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