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°F maximum daytime temperature in September in Lahaina, Maui82
    82°F max day temperature
  • 9 hours of sunshine per day
  • 7 days with some rainfall in September in Lahaina, Maui7
    7 days with some rainfall
  • 66°F minimum night-time temperature in September in Lahaina, Maui66
    66°F min night temperature
  • 12 hours of daylight per day in September in Lahaina, Maui12
    12 hours of daylight per day
  • High heat & humidity in September in Lahaina, MauiH
    High heat & humidity
  • 0.4 inches monthly rainfall in September in Lahaina, Maui0.4
    0.4 inches of monthly rainfall
  • UV (maximum) index 11 (Extreme) in September in Lahaina, Maui11
    11 (Extreme) UV index
  • 81°F sea temperature in September in Lahaina, Maui81
    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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How hot is it in Lahaina, Maui in September?

Daytime temperatures usually reach 82°F in Lahaina, Maui in September with high heat and humidity, falling to 66°F at night.

How sunny is it in Lahaina, Maui in September?

There are normally 9 hours of bright sunshine each day in Lahaina, Maui in September - that's 70% of daylight hours.

How warm is the sea around Lahaina, Maui in September?

The average sea temperature around Lahaina, Maui in September is 81°F.

Does it rain in Lahaina, Maui in September?

There are usually 7 days with some rain in Lahaina, Maui in September and the average monthly rainfall is 0.4 inches.

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.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:11 18:42
Monday, 15th September 2025 06:14 18:29
Tuesday, 30th September 2025 06:18 18:15

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