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September Weather in McConnelsville, United States

Last updated: June 24, 2025

In September, the average temperature in McConnelsville, United States is a pleasant 20°C (69°F). However, be prepared for fluctuations with a minimum of 5°C (42°F) and a maximum reaching 36°C (97°F). Rainfall is not uncommon, with an average precipitation of 109 mm (4.3 in) spread across 9 days. The air is often humid, boasting an average humidity of 73%, making for a tropical atmosphere.

September Temperature in McConnelsville

In September in McConnelsville, the average temperature is 20°C (69°F), with maximums reaching up to 36°C (97°F) and minimums dropping as low as 5°C (42°F). This wide range makes it a great time to pack for varying weather conditions while exploring the area.

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

The chart illustrates September temperature patterns in McConnelsville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In McConnelsville, September typically has an average temperature of 20°C (69°F), with highs reaching up to 36°C (97°F) and lows dropping to around 5°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec323643536471767369584337
Data source: Temperature data for McConnelsville 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 McConnelsville

In McConnelsville in September, the total precipitation amount is 109 mm (4.3 in) spread over 9 days.

September Precipitation Trends in McConnelsville

The chart displays monthly precipitation patterns in McConnelsville, 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 McConnelsville, September typically receives around 109 mm (4.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec8912011914014417213011110910992113
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in McConnelsville

In McConnelsville in September humidity is 73%. With an average temperature of 20°C (69°F), this humidity feels like a warm embrace, making travel slightly sticky but ultimately comfortable as long as you stay hydrated and take breaks in the shade.

September Average Humidity in McConnelsville

This chart illustrates the average monthly humidity levels in McConnelsville, 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 McConnelsville is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%88%87%82%84%82%73%74%81%89%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in McConnelsville

In McConnelsville in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in McConnelsville.

Maximum UV Index Levels in McConnelsville for September

The chart shows the monthly maximum UV Index (UVI) for McConnelsville 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 McConnelsville typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098643
Data source: McConnelsville 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 McConnelsville Compares to Other Months

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

This table compares monthly weather conditions in McConnelsville, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)89 mm (3.5 inches)88%moderate
February Weather2°C (36°F)120 mm (4.7 inches)88%moderate
March Weather6°C (44°F)119 mm (4.7 inches)88%high
April Weather12°C (53°F)140 mm (5.5 inches)86%very high
May Weather18°C (64°F)144 mm (5.7 inches)82%very high
June Weather22°C (71°F)172 mm (6.8 inches)84%very high
July Weather24°C (76°F)130 mm (5.1 inches)82%very high
August Weather23°C (74°F)111 mm (4.4 inches)73%very high
September Weather20°C (69°F)109 mm (4.3 inches)73%very high
October Weather15°C (58°F)109 mm (4.3 inches)81%high
November Weather6°C (43°F)92 mm (3.6 inches)89%moderate
December Weather3°C (38°F)113 mm (4.4 inches)86%moderate

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