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Weather in September in Detroit, Michigan

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< September >
 
Normal Max/ High Temperature 23°C (74°F)
 
Average Temperature 17°C (63°F)
 
Min/ Low Temperature 11°C (53°F)
 
Normal Precipitation 73mm (2.9in)
Number of Wet Days (probability of rain on a day) 9 (30%)
Average Sunlight per day 07:40
Average Daylight per day 12:26
Sunny (Cloudy) Daylight Hours 63% (37%)
Sun altitude at solar noon on the 21st day.
48.3°


  • The average temperature in Detroit, Michigan in September is very mild at 17.3 °C (63.14 °F).
  • Afternoons can be fairly hot with average high temperatures reaching 23.3 °C (73.9 °F).
  • Overnight temperatures are generally quite mild with an average low of 11.4 °C (52.5 °F).
  • In September the variation/ range of diurnal average temperatures is 11.9 °C (21.4 °F).
  • The weather in September is somewhat dry with some rain. Just 73.4mm (2.9in) of H2O precipitates during an average of 9 days.
  • In September the blue above Detroit, Michigan is slightly sunny having on average a welcome 7:40 of dazzling solar radiation per day.
  • The shortest day is 11:44 long and the longest day is 13:08 long with an average length of 12:26.
  • There are approximately 4:35 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 62.6% of daylight hours and cloudy 37.4% of daylight hours.

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Weather Trend Graph for September in Detroit, Michigan, Usa

Graph of weather in Detroit, Michigan in September

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