What is the weather like in Kauai vs Lahaina in September?

In September, Kauai averages 26°C high / 21°C low with about 39 mm of rain; Lahaina averages 31°C high / 23°C low with about 9 mm.

Kauai vs Lahaina in September

Kauai and Lahaina are nearly tied in September — 93 vs 93 on SeasonMap's comfort score. Kauai is warm, a little rain, clean air; Lahaina is hot, dry, clean air.

Kauai vs Lahaina — September climate, side by side

	🇺🇸 Kauai	🇺🇸 Lahaina
Comfort score	93/100 (S)	93/100 (S)
Feels-like high	28°C	33°C
Avg high / low	26° / 21°	31° / 23°
Rainfall	39 mm	9 mm
Rainy days	14	3
Humidity	76%	68%
Air quality (AQI)	22	25

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Month by month

Kauai 🇺🇸 United Stateswarm, a little rain, clean air · best July93
Lahaina 🇺🇸 United Stateshot, dry, clean air · best May93

Kauai vs Lahaina in September — FAQ

Is September better in Kauai or Lahaina?: Kauai and Lahaina are nearly tied in September — 93 vs 93 on SeasonMap's comfort score. Kauai is warm, a little rain, clean air; Lahaina is hot, dry, clean air.
What is the weather like in Kauai vs Lahaina in September?: In September, Kauai averages 26°C high / 21°C low with about 39 mm of rain; Lahaina averages 31°C high / 23°C low with about 9 mm.