What is the weather like in Key West vs Lahaina in September?

In September, Key West averages 32°C high / 26°C low with about 195 mm of rain; Lahaina averages 31°C high / 23°C low with about 9 mm.

Key West vs Lahaina in September

Lahaina is the better pick in September — 93 vs 76 on SeasonMap's comfort score. Lahaina is hot, dry, clean air, while Key West is sweltering, soaked, clean air.

Key West vs Lahaina — September climate, side by side

	Key West	Lahaina
Comfort score	76/100 (B)	93/100 (S)
Feels-like high	37°C	33°C
Avg high / low	32° / 26°	31° / 23°
Rainfall	195 mm	9 mm
Rainy days	13	3
Humidity	79%	68%
Air quality (AQI)	35	25

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

Key West vs Lahaina in September — FAQ

Is September better in Key West or Lahaina?: Lahaina is the better pick in September — 93 vs 76 on SeasonMap's comfort score. Lahaina is hot, dry, clean air, while Key West is sweltering, soaked, clean air.
What is the weather like in Key West vs Lahaina in September?: In September, Key West averages 32°C high / 26°C low with about 195 mm of rain; Lahaina averages 31°C high / 23°C low with about 9 mm.