Kauai vs Kona in September

Kauai is the better pick in September — 93 vs 83 on SeasonMap's comfort score. Kauai is warm, a little rain, clean air, while Kona is sweltering, soaked, clean air.

Kauai vs Kona — September climate, side by side

🇺🇸 Kauai🇺🇸 Kona
Comfort score93/100 (S)83/100 (A)
Feels-like high28°C35°C
Avg high / low26° / 21°30° / 24°
Rainfall39 mm160 mm
Rainy days1420
Humidity76%85%
Air quality (AQI)2217

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

Month by month

Kauai vs Kona in September — FAQ

Is September better in Kauai or Kona?
Kauai is the better pick in September — 93 vs 83 on SeasonMap's comfort score. Kauai is warm, a little rain, clean air, while Kona is sweltering, soaked, clean air.
What is the weather like in Kauai vs Kona in September?
In September, Kauai averages 26°C high / 21°C low with about 39 mm of rain; Kona averages 30°C high / 24°C low with about 160 mm.