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September Weather in Chapmanville, United States

Last updated: June 24, 2025

In September, the average temperature in Chapmanville, United States hovers around 21°C (70°F). Be prepared for a range that can dip to a minimum of 7°C (46°F) and soar up to a maximum of 36°C (96°F). Expect some rain, with 105 mm (4.1 in) of precipitation typically spread across 8 days. The atmosphere is fairly humid, with an average humidity level of 68%.

September Temperature in Chapmanville

In September in Chapmanville, the average temperature is 21°C (70°F), with maximums reaching 36°C (96°F) and minimums dropping to as low as 7°C (46°F). This variability makes it essential for travelers to pack clothing suitable for both warm and cool weather.

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

The chart illustrates September temperature patterns in Chapmanville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chapmanville, September typically has an average temperature of 21°C (70°F), with highs reaching up to 36°C (96°F) and lows dropping to around 7°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec374248566672767470604641
Data source: Temperature data for Chapmanville 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 Chapmanville

In Chapmanville in September, the precipitation amount is 105 mm (4.1 in) over the course of 8 days.

September Precipitation Trends in Chapmanville

The chart displays monthly precipitation patterns in Chapmanville, 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 Chapmanville, September typically receives around 105 mm (4.1 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec10016012614115516112911910512179125
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Chapmanville

In Chapmanville in September humidity is 68%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace, making the air feel slightly heavy and sticky, which can be quite exhausting for travelers.

September Average Humidity in Chapmanville

This chart illustrates the average monthly humidity levels in Chapmanville, 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 Chapmanville is approximately 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%86%84%83%83%79%66%68%78%89%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Chapmanville

In Chapmanville 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 Chapmanville.

Maximum UV Index Levels in Chapmanville for September

The chart shows the monthly maximum UV Index (UVI) for Chapmanville 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 Chapmanville typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101010109753
Data source: Chapmanville 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 Chapmanville Compares to Other Months

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

This table compares monthly weather conditions in Chapmanville, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)100 mm (4.0 inches)87%moderate
February Weather5°C (42°F)160 mm (6.3 inches)87%moderate
March Weather9°C (48°F)126 mm (4.9 inches)86%high
April Weather13°C (56°F)141 mm (5.5 inches)84%very high
May Weather19°C (66°F)155 mm (6.1 inches)83%very high
June Weather22°C (72°F)160 mm (6.3 inches)83%very high
July Weather25°C (76°F)128 mm (5.1 inches)79%very high
August Weather23°C (74°F)119 mm (4.7 inches)66%very high
September Weather21°C (70°F)105 mm (4.1 inches)68%very high
October Weather16°C (60°F)121 mm (4.7 inches)78%high
November Weather8°C (46°F)79 mm (3.1 inches)89%moderate
December Weather5°C (42°F)125 mm (4.9 inches)86%moderate

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