Denali National Park weather in September 2026

Expect daytime maximum temperatures of 6°C in Denali National Park, Alaska in September based on long-term weather averages. There are 5 hours of sunshine per day on average with 15 days with some rainfall and typically 45 mm of rainfall in the month.

• 6
  6°C max day temperature
• 5
  5 hours of sunshine per day
• 15
  15 days with some rainfall
• -3
  -3°C min night temperature
• 13
  13 hours of daylight per day
• 0
  No heat & humidity
• 45
  45 mm of monthly rainfall
• 2
  2 (Low) UV index

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The September weather guide for Alaska (Denali National Park) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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Denali National Park September sunrise & sunset times

Browse the sunrise and sunset times for Denali National Park in September 2026. Select a month to view Denali National Park sunrise and sunset times for the next 12 months.

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