San Juan vs The Valley in September

San Juan and The Valley are nearly tied in September — 61 vs 60 on SeasonMap's comfort score. San Juan is sweltering, rainy, clean air; The Valley is sweltering, rainy, clean air.

San Juan vs The ValleySeptember climate, side by side

San JuanThe Valley
Comfort score61/100 (C)60/100 (C)
Feels-like high38°C36°C
Avg high / low32° / 26°31° / 28°
Rainfall147 mm134 mm
Rainy days1318
Humidity83%81%
Air quality (AQI)2938

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

San Juan vs The Valley in September — FAQ

Is September better in San Juan or The Valley?
San Juan and The Valley are nearly tied in September — 61 vs 60 on SeasonMap's comfort score. San Juan is sweltering, rainy, clean air; The Valley is sweltering, rainy, clean air.
What is the weather like in San Juan vs The Valley in September?
In September, San Juan averages 32°C high / 26°C low with about 147 mm of rain; The Valley averages 31°C high / 28°C low with about 134 mm.