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

In September, Kauai averages 26°C high / 21°C low with about 39 mm of rain; Maui averages 19°C high / 16°C low with about 65 mm.

Kauai vs Maui in September

Kauai is the better pick in September — 93 vs 88 on SeasonMap's comfort score. Kauai is warm, a little rain, clean air, while Maui is nice, a little rain, clean air.

Kauai vs Maui — September climate, side by side

	🇺🇸 Kauai	🇺🇸 Maui
Comfort score	93/100 (S)	88/100 (A)
Feels-like high	28°C	19°C
Avg high / low	26° / 21°	19° / 16°
Rainfall	39 mm	65 mm
Rainy days	14	21
Humidity	76%	78%
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
Maui 🇺🇸 United Statesnice, a little rain, clean air · best June88

Kauai vs Maui in September — FAQ

Is September better in Kauai or Maui?: Kauai is the better pick in September — 93 vs 88 on SeasonMap's comfort score. Kauai is warm, a little rain, clean air, while Maui is nice, a little rain, clean air.
What is the weather like in Kauai vs Maui in September?: In September, Kauai averages 26°C high / 21°C low with about 39 mm of rain; Maui averages 19°C high / 16°C low with about 65 mm.