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

In September, Hilo averages 29°C high / 21°C low with about 167 mm of rain; Kauai averages 26°C high / 21°C low with about 39 mm.

Hilo vs Kauai in September

Kauai is the better pick in September — 93 vs 69 on SeasonMap's comfort score. Kauai is warm, a little rain, clean air, while Hilo is sweltering, soaked, clean air.

Hilo vs Kauai — September climate, side by side

	🇺🇸 Hilo	🇺🇸 Kauai
Comfort score	69/100 (C)	93/100 (S)
Feels-like high	34°C	28°C
Avg high / low	29° / 21°	26° / 21°
Rainfall	167 mm	39 mm
Rainy days	20	14
Humidity	83%	76%
Air quality (AQI)	19	22

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

Month by month

Hilo 🇺🇸 United Statessweltering, soaked, clean air · best January69
Kauai 🇺🇸 United Stateswarm, a little rain, clean air · best July93

Hilo vs Kauai in September — FAQ

Is September better in Hilo or Kauai?: Kauai is the better pick in September — 93 vs 69 on SeasonMap's comfort score. Kauai is warm, a little rain, clean air, while Hilo is sweltering, soaked, clean air.
What is the weather like in Hilo vs Kauai in September?: In September, Hilo averages 29°C high / 21°C low with about 167 mm of rain; Kauai averages 26°C high / 21°C low with about 39 mm.