Lahaina, Maui weather in September 2025

Expect 28°C 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.

28
28°C max day temperature
9
9 hours of sunshine per day
7
7 days with some rainfall
19
19°C min night temperature
12
12 hours of daylight per day
H
High heat & humidity
9
9 mm of monthly rainfall
11
11 (Extreme) UV index
27
27°C 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 / mm) | Imperial (°F / inches)

More about the USA

How hot is it in Lahaina, Maui in September?

Daytime temperatures usually reach 28°C in Lahaina, Maui in September with high heat and humidity, falling to 19°C 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 27°C.

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 9mm.

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.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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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Hawaii - quick facts
Flight time^✝	18 hours
Time difference	UK -10 hours
Language(s)	English
Currency	US Dollar
Electricity	A + B plug (120V)
Driving side	Right
Visa^✝	Yes
Why visit?	Beaches Nature Nightlife
Tourist info	Hawaii Tourism Authority