Kapalua, Maui weather in September 2025

Expect 28°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Kapalua, Maui in September. Check more long-term weather averages for Kapalua, Maui in September before you book your next holiday to Hawaii in 2025/2026.

  • 28°C maximum daytime temperature in September in Kapalua, Maui28
    28°C max day temperature
  • 8 hours of sunshine per day
  • 8 days with some rainfall in September in Kapalua, Maui8
    8 days with some rainfall
  • 18°C minimum night-time temperature in September in Kapalua, Maui18
    18°C min night temperature
  • 12 hours of daylight per day in September in Kapalua, Maui12
    12 hours of daylight per day
  • Moderate heat & humidity in September in Kapalua, MauiM
    Moderate heat & humidity
  • 53 mm monthly rainfall in September in Kapalua, Maui53
    53 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in September in Kapalua, Maui11
    11 (Extreme) UV index
  • 27°C sea temperature in September in Kapalua, Maui27
    27°C sea temperature

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The September weather guide for Hawaii (Kapalua, 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 / mm)  |  Imperial (°F / inches)

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More about the USA

How hot is it in Kapalua, Maui in September?

Daytime temperatures usually reach 28°C in Kapalua, Maui in September with moderate heat and humidity, falling to 18°C at night.

How sunny is it in Kapalua, Maui in September?

There are normally 8 hours of bright sunshine each day in Kapalua, Maui in September - that's 69% of daylight hours.

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

The average sea temperature around Kapalua, Maui in September is 27°C.

Does it rain in Kapalua, Maui in September?

There are usually 8 days with some rain in Kapalua, Maui in September and the average monthly rainfall is 53mm.

Kapalua, Maui September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:10 18:42
Monday, 15th September 2025 06:14 18:29
Tuesday, 30th September 2025 06:18 18:15

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