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Lahaina Weather in September
Lahaina in September averages 29°C (84°F) during the day and 24°C (75°F) at night. Minimal rainfall is typical for this time of year.
Rainfall in Lahaina in September
Historically, approximately 8 days this month are expected to have rain, averaging 12 mm (0.5 in). Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Lahaina in September
September in Lahaina is generally excellent, with days reaching 29°C (84°F) and nights settling around 24°C (75°F). This kind of day-to-night contrast is typical for this time of year. With lows around 24°C (75°F), the nights are warm enough that a sheet is usually all you need for bedding.
Sunshine in Lahaina in September
The month enjoys around 271 hours of sunshine, creating mostly sunny days with good weather conditions.If you're interested in exploring other destinations, our weather planner can help you discover additional travel options worldwide.
Lahaina Temperature in September
Min Temperature
24°C (75°F)
Max Temperature
29°C (84°F)
Chance of Rain
27%
Precipitation
12 mm (0.5 in)
Rainy days
8 days
Humidity
70% *
Sunshine
271 hours *
Percentage Sunshine
74% *
* Data from: Kahului, the United States of America (25 KM, 16 Miles).
Lahaina Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Lahaina - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Lahaina typically stay consistent throughout September, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 22°C (72°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather records for Lahaina in September
Browse day-by-day weather records for Lahaina spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Lahaina historical weather extremes in September
Our historical data for Lahaina spans 1976 to 2026, revealing these weather extremes.
- The warmest day in September was on September 7, 2004, with a maximum of 34°C (93°F).
- The coldest September day was on September 20, 1991, with a maximum of 26°C (79°F).
- Lahaina registered its coldest September night on September 25, 2011, with temperatures dropping to 16°C (61°F).
Best Places in the United States of America in September
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Lahaina in September
Warm but pleasant conditions in Lahaina in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Dry conditions mean you won't need to worry about rain protection. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Lahaina in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
-
Swimming10/10 -
Cycling8/10 -
Walking8/10 -
Barbeque10/10 -
Camping10/10 -
Outdoor sports8/10
Lahaina 3-Day Forecast
More climate data for Lahaina
Temperature Rainfall Sunshine Humidity
See the full Lahaina climate overview or explore weather in the United States of America.
Popular in September
Where to go in September - average daytime high across popular destinations.
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