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Weather in September in Allentown/ A.-Bethlehem, Pa

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< September >
 
Normal Max/ High Temperature 24°C (75°F)
 
Average Temperature 18°C (65°F)
 
Min/ Low Temperature 12°C (54°F)
 
Normal Precipitation 100mm (3.9in)
Average Daylight per day 12:25
Sun altitude at solar noon on the 21st day.
49.9°


  • The average temperature in Allentown/ A.-Bethlehem, Pa in September is somewhat warm at 18.2 °C (64.76 °F).
  • Afternoons can be fairly hot with average high temperatures reaching 23.9 °C (75 °F).
  • Overnight temperatures are generally quite mild with an average low of 12.3 °C (54.1 °F).
  • In September there is a range/ variation of mean daily temperatures of 11.6 °C (20.9 °F).
  • The weather in September is hardly arid. Circa 99.8mm (3.9in) of H2O is unloaded.
  • The shortest day is 11:45 long and the longest day is 13:05 long with an average length of 12:25.

Check the distance to and compare the Allentown/ A.-Bethlehem, Pa September averages with somewhere beginning with:

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Weather Trend Graph for September in Allentown/ A.-Bethlehem, Pa, Usa

Graph of weather in Allentown/ A.-Bethlehem, Pa in September

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