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September Weather in Chappell, United States

Last updated: June 24, 2025

In Chappell, United States, the average temperature in September is a comfortable 20°C (68°F). However, temperatures can range significantly, with a minimum of 1°C (34°F) and soaring up to a maximum of 39°C (102°F). Visitors can expect around 26 mm (1.0 in) of precipitation over approximately 5 days, and the average humidity hovers at a notable 75%.

September Temperature in Chappell

In September in Chappell, the average temperature is 20°C (68°F), with maximums reaching 39°C (102°F) and minimums dipping as low as 1°C (34°F). Travelers should be prepared for a wide range of temperatures, so packing layers is essential.

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

The chart illustrates September temperature patterns in Chappell, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chappell, September typically has an average temperature of 20°C (68°F), with highs reaching up to 39°C (102°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec312942485872777368494234
Data source: Temperature data for Chappell 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 Chappell

In Chappell in September, the precipitation amount is 26 mm (1.0 in) over the course of 5 days.

September Precipitation Trends in Chappell

The chart displays monthly precipitation patterns in Chappell, 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 Chappell, September typically receives around 26 mm (1.0 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec1217605512238483726321715
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Chappell

In Chappell in September, humidity is 75%. With an average temperature of 20°C (68°F), this humidity feels like a warm, muggy embrace that can leave travelers feeling sticky and exhausted.

September Average Humidity in Chappell

This chart illustrates the average monthly humidity levels in Chappell, 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 Chappell is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%76%62%60%74%82%82%84%75%73%74%77%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Chappell

In Chappell 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 Chappell.

Maximum UV Index Levels in Chappell for September

The chart shows the monthly maximum UV Index (UVI) for Chappell 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 Chappell typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111109643
Data source: Chappell 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 Chappell Compares to Other Months

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

This table compares monthly weather conditions in Chappell, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (31°F)12 mm (0.5 inches)72%moderate
February Weather-1°C (30°F)17 mm (0.7 inches)76%moderate
March Weather5°C (42°F)60 mm (2.4 inches)61%high
April Weather9°C (48°F)55 mm (2.2 inches)60%very high
May Weather14°C (58°F)122 mm (4.8 inches)74%very high
June Weather22°C (72°F)38 mm (1.5 inches)82%extreme
July Weather25°C (77°F)48 mm (1.9 inches)82%extreme
August Weather23°C (74°F)37 mm (1.5 inches)84%very high
September Weather20°C (68°F)26 mm (1.0 inches)75%very high
October Weather10°C (50°F)32 mm (1.2 inches)73%high
November Weather5°C (42°F)17 mm (0.7 inches)74%moderate
December Weather1°C (34°F)15 mm (0.6 inches)77%moderate

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