Hulopoe Bay, Lanai weather in September 2026

Expect daytime maximum temperatures of 28°C in Hulopoe Bay, Lanai, Hawaii in September based on long-term weather averages. There are 9 hours of sunshine per day on average.

• 28
  28°C max day temperature
• 9
  9 hours of sunshine per day
• 8
  8 days with some rainfall
• 19
  19°C min night temperature
• 12
  12 hours of daylight per day
• M
  Moderate heat & humidity
• 21
  21 mm of monthly rainfall
• 11
  11 (Extreme) UV index
• 27
  27°C sea temperature

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Hulopoe Bay, Lanai by month

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The September weather guide for Hawaii (Hulopoe Bay, Lanai) 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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Hulopoe Bay, Lanai September sunrise & sunset times

Browse the sunrise and sunset times for Hulopoe Bay, Lanai in September 2026. Select a month to view Hulopoe Bay, Lanai sunrise and sunset times for the next 12 months.

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