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Weather in September in Philadelphia, Pennsylvania

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< September >
 
Normal Max/ High Temperature 25°C (78°F)
 
Average Temperature 20°C (68°F)
 
Min/ Low Temperature 15°C (59°F)
 
Normal Precipitation 87mm (3.4in)
Number of Wet Days (probability of rain on a day) 9 (30%)
Average Sunlight per day 07:29
Average Daylight per day 12:24
Sunny (Cloudy) Daylight Hours 61% (39%)
Sun altitude at solar noon on the 21st day.
50.6°


  • The average temperature in Philadelphia, Pennsylvania in September is warm at 20.1 °C (68.18 °F).
  • Afternoons can be fairly hot with average high temperatures reaching 25.3 °C (77.5 °F).
  • Overnight temperatures are generally mild with an average low of 14.8 °C (58.6 °F).
  • In September there is a variation/ range of daily average temperatures of 10.5 °C (18.9 °F).
  • The weather in September is dryish with some rain. Just 86.9mm (3.4in) of H2O is dropped across on average 9 days.
  • In September the blue above Philadelphia, Pennsylvania is a little sunny having on average a welcome 7:29 of blazing sunlight per day.
  • The shortest day is 11:45 long and the longest day is 13:02 long with an average length of 12:24.
  • There are approximately 4:45 per day when bright sunshine is absent due to cloud, haze or the sun being too low on the horizon to register.
  • It is sunny approximately 61.1% of daylight hours and cloudy 38.9% of daylight hours.

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Weather Trend Graph for September in Philadelphia, Pennsylvania, Usa

Graph of weather in Philadelphia, Pennsylvania in September

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