Lahaina, Maui weather in September 2025

Expect 82°F daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Lahaina, Maui in September. Check more long-term weather averages for Lahaina, Maui in September before you book your next holiday to Hawaii in 2025/2026.

• 82
  82°F max day temperature
• 9
  9 hours of sunshine per day
• 7
  7 days with some rainfall
• 66
  66°F min night temperature
• 12
  12 hours of daylight per day
• H
  High heat & humidity
• 0.4
  0.4 inches of monthly rainfall
• 11
  11 (Extreme) UV index
• 81
  81°F sea temperature

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Lahaina, Maui by month

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The September weather guide for Hawaii (Lahaina, Maui) 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)  |  Imperial (°F)

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Lahaina, Maui September sunrise & sunset times

Browse the sunrise and sunset times for Lahaina, Maui in September 2025. Select a month to view Lahaina, Maui sunrise and sunset times for the next 12 months.

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