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Weather in September in Attu Island, Alaska

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< September >
 
Normal Max/ High Temperature 11°C (52°F)
 
Average Temperature 9°C (48°F)
 
Min/ Low Temperature 7°C (45°F)
 
Normal Precipitation 161mm (6.3in)
Number of Wet Days (probability of rain on a day) 21 (70%)
Average Daylight per day 12:37
Sun altitude at solar noon on the 21st day.
38°


  • The average temperature in Attu Island, Alaska in September is a little cool at 9 °C (48.2 °F).
  • Afternoons can be quite mild with average high temperatures reaching 11 °C (51.8 °F).
  • Overnight temperatures are generally a little cool with an average low of 7 °C (44.6 °F).
  • In September the range/ variation of diurnal mean temperatures is 4 °C (7.2 °F).
  • The weather in September is slightly wettish with rain more often than not. Around 161mm (6.3in) of H2O is unloaded across an average of 21 days.
  • The shortest day is 11:36 long and the longest day is 13:38 long with an average length of 12:37.

Check the distance to and compare the Attu Island, Alaska September averages with somewhere beginning with:

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Weather Trend Graph for September in Attu Island, Alaska, Usa

Graph of weather in Attu Island, Alaska in September

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