SeasonMapLahaina weather in September
United States
September in Lahaina: hot, dry, with clean air — an excellent time to visit.
#3 of 12 months in Lahaina · #85 of 1383 destinations to visit in September · comfort 93/100 (tier S)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Lahaina in September
Other months in Lahaina
Lahaina's forum calls May a lovely time — neither too hot nor too cold, partly cloudy with scattered showers usually in the evening or early morning that leave plenty of beach time during the day. Regulars flag it as noticeably less crowded than summer, and note anyone heading up to Haleakalā for sunrise needs warm clothes regardless of how pleasant it is down on the coast.
Add your own note from Lahaina's card on the map.
Lahaina climate normals — September
| Daytime high | 31°C / 88°F | 🥵 hot |
|---|---|---|
| Nighttime low | 23°C / 73°F | |
| Feels like (high) | 33°C / 91°F | |
| Sea temperature | 27°C / 81°F | 😎 warm sea |
| Rainfall | 9 mm / 0.4 in | ☀️ dry |
| Rainy days | 3 days | |
| Humidity | 68% | 💧 humid |
| Dew point | 21°C / 69°F | |
| Sunshine | 11.2 h/day | |
| Daylight | 12.2 h | |
| Wind | 27 km/h / 17 mph | |
| Air quality (US AQI) | 25 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Lahaina in September
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusySummer break in United States(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Lahaina's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherLahaina's weather doesn't swing hard through the year — comfort stays fairly steady in every month.
What's on in Lahaina in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Rule
Rebuilding access rules
1 Jan – 31 DecClosuresFront Street reopened to traffic on 1 August 2026, but Market Street, Papelekane Street and Mokuhinia Place remain closed for harbor dredging and rebuilding. The county asks visitors to come for the businesses that have reopened, not to look at what burned. Source ↗
- Hazard
Central Pacific hurricane season
1 Jun – 30 NovLandfalls are rare, but a system passing south of the islands drags dry downslope wind across leeward West Maui, and that combination is what drove the 2023 fire. Fire weather, not rain, is the risk here. Source ↗
Nearby, and something's on
Within 300 km of Lahaina — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Lahaina?
Lahaina in September — FAQ
- Is September a good time to visit Lahaina?
- September in Lahaina: hot, dry, with clean air — an excellent time to visit. It ranks #3 of 12 months for Lahaina on SeasonMap's comfort score (93/100).
- What is the weather like in Lahaina in September?
- In September, Lahaina averages a daily high of 31.1°C and a low of 22.5°C, with about 9.4 mm of rain over roughly 3.1 rainy days.
- What is the air quality in Lahaina in September?
- Lahaina has a mean US Air Quality Index of about 25 in September.
Other months in Lahaina
Compare Lahaina in September
Warmer or cooler than Lahaina in September
Similar destinations in North America — September
Within 300 km: Honolulu's Aloha Festivals around 1–30 Sep, and Maui's Trade wind and windsurf season around 1 May – 30 Sep.