Normal weather for King of Prussia in September
It's warm in September in King of Prussia with an average temperature of 26°C. Temperatures this month range from a low of 21°C to a high of 30°C. At night, you can expect temperatures between 12°C and 18°C.
In September, there is an average of 76 mm of precipitation, spread over 10 days. The wind speed is around 3 Bft, mostly coming from the South.
Want nice weather? Then September is a great time to be in King of Prussia. You’ll have pleasant temperatures and not too much rain this month.
King of Prussia in September |
London | ||
|---|---|---|---|
 Average Temperature |
26°C | 20°C | |
 High Temp |
30°C | 22°C | |
| Low Temp |
21°C | 17°C | |
 Total Precipitation |
76 mm | 44 mm | |
| Rainy Days |
10 days | 8 days | |
The UV index is a maximum of 5 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
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Start of September
The month of September starts in King of Prussia with hot temperatures, averaging around 28°C during the day and nights close to 17°C. You can expect regular precipitation, but there’s also a chance for some sunny days in the first days of the month.
Mid-September
By mid-September, the average daytime temperature drops to around 26°C, with nights close to 15°C. Not much precipitation expected during this period. It’s mostly dry with sunshine.
End of September
By the end of September, the average daytime temperature in King of Prussia will be around 24°C, with nights close to 13°C. A shower might show up, but overall the weather will be dry and sunny.
Temperature records
With 35°C, King of Prussia hit the highest temperature in the last 10 years in September 2023. The lowest daytime temperature in this month was 14°C in 2018. The extreme night temperatures ranged from a low of 2°C to a high of 24°C.
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Daily Temperature in September in King of Prussia
This chart shows the average daily temperatures, both day and night, for each day in September in King of Prussia, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in September in King of Prussia
The chart below shows the average daily precipitation in September for King of Prussia, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for September, you can expect around 10 days of rain in King of Prussia.
Daily UV Index in September in King of Prussia
This chart shows the average daily UV index in September in King of Prussia, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in September in King of Prussia Over the Years
This chart shows the average temperature in September in King of Prussia, measured in degrees Celsius, over the past years.
Total Precipitation in September in King of Prussia Over the Years
This chart shows the average precipitation in September in King of Prussia, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in September for King of Prussia
Click on a specific day in September for detailed info on the typical weather on that day in King of Prussia. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in King of Prussia
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Average Weather in King of Prussia by Month
Click on a month below to see detailed weather info for King of Prussia. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of King of Prussia for all months at once
