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

In September, Key West averages 32°C high / 26°C low with about 195 mm of rain; Miami averages 32°C high / 26°C low with about 185 mm.

Key West vs Miami in September

Key West and Miami are nearly tied in September — 76 vs 75 on SeasonMap's comfort score. Key West is sweltering, soaked, clean air; Miami is sweltering, soaked, clean air.

Key West vs Miami — September climate, side by side

	Key West	Miami
Comfort score	76/100 (B)	75/100 (B)
Feels-like high	37°C	37°C
Avg high / low	32° / 26°	32° / 26°
Rainfall	195 mm	185 mm
Rainy days	13	15
Humidity	79%	82%
Air quality (AQI)	35	37

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

Key West vs Miami in September — FAQ

Is September better in Key West or Miami?: Key West and Miami are nearly tied in September — 76 vs 75 on SeasonMap's comfort score. Key West is sweltering, soaked, clean air; Miami is sweltering, soaked, clean air.
What is the weather like in Key West vs Miami in September?: In September, Key West averages 32°C high / 26°C low with about 195 mm of rain; Miami averages 32°C high / 26°C low with about 185 mm.