2026 Climate Averages

Weather: Maui — September

The weather is near-perfect with ideal temperatures and minimal rain. Recommended month to visit.

🌟 Climate Overview

September is an excellent time to visit Maui. Warm weather with highs of 22°C—great for outdoor activities. This is one of the wettest months—waterproof gear is essential. As peak season, expect higher prices and more tourists. Sea temperature of 27°C is perfect for swimming.

5.5
GoTripzi Score Good

Based on weather comfort, crowds, prices, and activity options

Avg High

22°C

Avg Low

18°C

Rainy days

21days

Daylight

12.3h

Rainfall

60mm

Sunshine

11.2h/day

Humidity

74%

Humid
Sun Strength

8.4

Very High
Wind

22 km/h (gusts 43)

Sea Temp

27°C 🏊 Comfortable

Is September a good time to visit Maui?

The weather is near-perfect with ideal temperatures and minimal rain.

Now

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Feels like --
Wind --
Humidity --
UV Index --
Local time —

Air Quality

Travel Context

  • Crowds
    Very Busy
  • Travel Costs Value Rates

Daylight

Sunrise

06:13

Sunset

18:30

12.3h daylight

Visiting Maui in September: Pros & Cons

Pros

  • Comfortable temperatures for sightseeing
  • Abundant sunshine for beach and outdoor fun
  • Warm sea perfect for swimming and snorkeling
  • One of the best months to visit

Cons

  • Frequent rain may disrupt outdoor activities
  • Peak season — expect crowds and higher prices
  • Very high UV — sunscreen and shade essential

Things to Do in September

Recommended for This Weather

🏛️ Museums & galleries
🍳 Cooking classes & food tours
🎭 Cultural tours & local experiences

Maui Weather by Month

Month Avg High Avg Low Rain Sunshine Humidity UV Index Crowds Condition
Jan 20°C 15°C 17d (107mm) 9.6h
78% Humid
5.9 High
Wet
Feb 19°C 15°C 19d (85mm) 10.2h
76% Humid
6.8 High
Wet
Mar 19°C 15°C 22d (132mm) 10.4h
78% Humid
7.6 Very High
Wet
Apr 20°C 15°C 22d (103mm) 10.9h
77% Humid
8.4 Very High
Excellent
May 21°C 16°C 23d (78mm) 11.7h
75% Humid
8.8 Very High
Excellent
Jun 21°C 17°C 20d (59mm) 12.4h
73% Humid
9.2 Very High
Wet
Jul 22°C 17°C 25d (86mm) 12.1h
74% Humid
9.1 Very High
Wet
Aug 22°C 18°C 20d (64mm) 11.7h
74% Humid
9 Very High
Wet
Sep Current 22°C 18°C 21d (60mm) 11.2h
74% Humid
8.4 Very High
Excellent
Oct 22°C 17°C 16d (75mm) 10.4h
75% Humid
7.4 Very High
Excellent
Nov 21°C 17°C 21d (86mm) 9.6h
77% Humid
6 High
Wet
Dec 20°C 16°C 20d (99mm) 9.3h
77% Humid
5.4 High
Wet

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3.8

Where to Stay

See hotels, apartments & rentals around Maui – live prices from Booking.com, Expedia, Vrbo and more

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Maui

Road to Hana drive, Haleakalā sunrise, snorkeling at Molokini Crater, and world-class beaches.

View Full Destination Guide

What to Pack for September

Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces. A waterproof jacket and shoes are non-negotiable — showers are frequent. Don't forget a wide-brimmed hat and high-SPF sunscreen — the sun is strong.

Warm Very Busy

🎒Personalized Packing List

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Your Packing List

📋Essentials
👕Clothing
👟Footwear
🎒Accessories
🧴Toiletries & Health

Planning a trip to Maui?

🔥 Peak season — book early for best rates

Frequently Asked Questions

Is September a good time to visit Maui?
September is typically excellent for visiting Maui, with average highs of 22°C and around 21 rainy days. Plan your activities accordingly—outdoor sightseeing is best on dry days, while rainy days are perfect for museums and indoor attractions.
Does it get cold at night in Maui in September?
Evenings in Maui during September are mild at 18°C. A light cardigan or long sleeves for evenings is usually enough. Outdoor dining remains comfortable, making it a great time to enjoy rooftop bars and terrace restaurants.
What should I pack for Maui in September?
With highs of 22°C and lows of 18°C in September, we recommend: Compact umbrella, Waterproof jacket/shell, Water-resistant shoes, Sunscreen SPF 30+. Layering is key as temperatures can vary between air-conditioned interiors and outdoors. Comfortable walking shoes are essential for cobblestone streets.
Does it rain a lot in Maui in September?
Maui typically sees around 21 rainy days in September. Rain is usually in the form of brief showers rather than all-day downpours, so a compact umbrella is sufficient. Mornings tend to be drier, making them ideal for outdoor sightseeing.
Can you swim in Maui in September?
September is suitable for swimming in Maui, though the water may feel refreshing at first. Air temperatures average 22°C, and most swimmers find it enjoyable once they're in. Midday is usually the warmest time for a dip.
How many hours of daylight are there in Maui in September?
In September, Maui gets approximately 12.3 hours of daylight per day. This affects how much sightseeing you can fit in—longer days mean more time for outdoor activities, while shorter days are perfect for cozy museum visits and early dinners.
Is September peak season in Maui?
Yes, September is peak season in Maui. Expect higher prices for accommodation and more crowds at popular attractions, but also the best weather conditions. Book hotels and major attractions in advance to secure availability and better rates.

Weather Data: Based on 2020–2025 historical climate data from Open-Meteo

Solar calculations: SunCalc (timezone: Pacific/Honolulu)

Last Updated: February 2026

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