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September Weather in King, United States

Last updated: June 24, 2025

In September, the average temperature in King, United States is a pleasant 17°C (63°F). Expect a range from a chilly 0°C (33°F) to a warm 33°C (91°F) throughout the month. With 104 mm (4.1 in) of precipitation spread over 10 days, it’s advisable to keep an umbrella handy. Additionally, the average humidity is a comfortable 78%, contributing to the region's unique climate.

September Temperature in King

In September in King, the average temperature is 17°C (63°F). Maximum temperatures can reach 33°C (91°F), while minimums can drop as low as 0°C (33°F). Be prepared for a wide range of temperatures during your travels to King this September.

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

The chart illustrates September temperature patterns in King, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In King, September typically has an average temperature of 17°C (63°F), with highs reaching up to 33°C (91°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec191933435768736962493426
Data source: Temperature data for King 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 King

In King in September, the precipitation amount is 104 mm (4.1 in) over a period of 10 days.

September Precipitation Trends in King

The chart displays monthly precipitation patterns in King, 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 King, September typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec4151621031111131281311041095153
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in King

In King in September, humidity is 78%. With an average temperature of 17°C (63°F), this humidity feels like a warm, enveloping blanket, making traveling slightly uncomfortable as you navigate the sticky air, prompting the need for frequent breaks in cooler, shaded areas.

September Average Humidity in King

This chart illustrates the average monthly humidity levels in King, 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 King is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%90%87%84%77%75%75%73%78%84%89%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in King

In King in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in King.

Maximum UV Index Levels in King for September

The chart shows the monthly maximum UV Index (UVI) for King 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 King typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24589101097532
Data source: King 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 King Compares to Other Months

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

This table compares monthly weather conditions in King, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (19°F)41 mm (1.6 inches)89%low
February Weather-7°C (20°F)51 mm (2.0 inches)90%moderate
March Weather1°C (33°F)62 mm (2.4 inches)87%moderate
April Weather6°C (43°F)103 mm (4.1 inches)84%very high
May Weather14°C (58°F)111 mm (4.4 inches)77%very high
June Weather20°C (69°F)113 mm (4.4 inches)75%very high
July Weather23°C (73°F)128 mm (5.1 inches)74%very high
August Weather21°C (69°F)131 mm (5.2 inches)73%very high
September Weather17°C (63°F)104 mm (4.1 inches)78%high
October Weather9°C (49°F)109 mm (4.3 inches)84%moderate
November Weather1°C (34°F)51 mm (2.0 inches)89%moderate
December Weather-4°C (26°F)52 mm (2.1 inches)87%low

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