September Weather in King, United States

Last updated: June 24, 2025

In September, the average temperature in King, United States is a pleasant 22°C (73°F). However, temperatures can fluctuate significantly, with minimums reaching 5°C (42°F) and maximums soaring to 36°C (97°F). Expect 9 days of rainfall, contributing to a total precipitation of 133 mm (5.2 in), all while maintaining an average humidity of 68%.

September Temperature in King

In September in King, the average temperature is 22°C (73°F). Maximums can reach 36°C (97°F), while minimums can dip to as low as 5°C (42°F). This makes it an ideal time for travelers to enjoy a mix of warm days and cooler evenings.

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 22°C (73°F), with highs reaching up to 36°C (97°F) and lows dropping to around 5°C (42°F).

Data source: Temperature data for King generated using information from the Copernicus Climate Change Service.

September Precipitation in King

In King in September, the precipitation amount is 133 mm (5.2 in) spread over a duration of 9 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 133 mm (5.2 inches) of precipitation spread over approximately 9 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in King

In King in September humidity is 68%. With an average temperature of 22°C (73°F), this humidity feels like a warm embrace that can make outdoor activities a bit sticky, so staying hydrated is essential while exploring the sights.

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 68%, offering insight into how humid the weather typically is during this month.

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 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 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 9, which falls under the very high exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (41°F)	84 mm (3.3 inches)	87%	moderate
February Weather	8°C (46°F)	119 mm (4.7 inches)	87%	high
March Weather	10°C (51°F)	84 mm (3.3 inches)	86%	very high
April Weather	15°C (60°F)	123 mm (4.8 inches)	84%	very high
May Weather	20°C (68°F)	122 mm (4.8 inches)	83%	very high
June Weather	24°C (75°F)	93 mm (3.7 inches)	83%	extreme
July Weather	26°C (80°F)	80 mm (3.2 inches)	79%	very high
August Weather	25°C (77°F)	116 mm (4.6 inches)	66%	very high
September Weather	22°C (73°F)	133 mm (5.2 inches)	68%	very high
October Weather	17°C (63°F)	118 mm (4.7 inches)	78%	very high
November Weather	9°C (49°F)	85 mm (3.3 inches)	89%	moderate
December Weather	7°C (44°F)	109 mm (4.3 inches)	86%	moderate