The month in detail
What to expect in September
September is peak dry season in Maui. The air is warm and humidity more bearable than in the rainy season. Rain risk remains low (20% of days), leaving good room for outdoor activities. A good balance between weather and crowds, even if July (8.7/10) remains theoretically better.
September ranks 4 out of 12 months in Maui. Compared to August: −0.7h of sun per day.
This month's conditions
What it's like in September
UV index
7 · high
sunscreen and hat advised
Feels like
muggy at times
17°
Sea
28°C
warm, ideal
Daylight
12.1h of daylight
Air quality
excellent
AQI 19
Compare
Is September the right month?
The best month in Maui is July (8.7/10), 0.2 pt higher than September.
Book
Plan your trip
Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.
Stay
Hotels & rentals · Maui
Expedia →
Activities
Tours, tickets, experiences
See ↓
Flights
Multi-airline comparator
Kiwi →
🎟️ Activities & tours · Maui
GetYourGuide selection · free cancellation
Practical info
What you need to know before you go
Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a tropical stay.
Country · United States
🗣️LanguageEnglish
💶CurrencyUS Dollar ($)
🚗DrivingRight-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘExpensive · 4/5
🌡️ Climate
🌍Climate typeTropical
📈Climate trend ⓘStable
🔥Hottest monthJuly · 79°F
❄️Coolest monthJanuary · 72°F
🌧️Rainiest month ⓘFebruary · 34%
🏝️ Tropical stay
🌞Dry season ⓘMay → Sep
🌧️Wet season ⓘDec → Mar
🌀Cyclones ⓘSeason Nov-Apr
Explore
Other destinations in September
If September doesn't convince you for this destination, compare with others.
Similar climate
Hawaii / MauiUnited States
Chapada DiamantinaBrazil
Gold CoastAustralia
HoniaraSolomon Islands
TarawaKiribati
Location
Where is Maui ?
Global position + regional geographic context.
🌍 World
🔍 Geographic context
United StatesTropical climate with a 8.7 → 7.6 gap between best and worst month. 10 years of ERA5 data to choose by project.
20.80°N · 156.32°W
Questions
Frequently asked questions
What is the best time to visit Maui?
July is the best month with 79°F highs, 66°F lows, 8.6h of sunshine and 16.0% rainy days. The months of July & June offer comparable conditions.
How many hours of sunshine does Maui get in July?
Maui averages 8.6 sunshine hours per day in July. It is the sunniest month with a climate score of 8.3/10.
What is the rainiest month in Maui?
February is the most unfavourable month with February has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Maui in July?
In July, overnight lows reach 66°F, while afternoon highs average 79°F.
Is Maui good in winter?
In winter (December-February), Maui scores 7.4/10 on average — Acceptable conditions for cultural visits.. The best month overall remains July with a score of 8.3/10.
When should you avoid Maui?
February is the most difficult month to visit Maui, with February has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Can you swim in Maui in September?
In September, the sea averages 82°F in Maui: warm, ideal. Ideal conditions for swimming and snorkeling.
Do you need sun protection in Maui in September?
The average UV index reaches 7 in September in Maui (high), with about 12.1h of daylight. Sunscreen and hat advised.