What is the weather like in Rome vs San Marino in September?

In September, Rome averages 28°C high / 17°C low with about 97 mm of rain; San Marino averages 22°C high / 13°C low with about 95 mm.

Rome vs San Marino in September

San Marino is the better pick in September — 87 vs 83 on SeasonMap's comfort score. San Marino is nice, rainy, clean air, while Rome is hot, rainy.

Rome vs San Marino — September climate, side by side

	🇮🇹 Rome	San Marino
Comfort score	83/100 (A)	87/100 (A)
Feels-like high	29°C	21°C
Avg high / low	28° / 17°	22° / 13°
Rainfall	97 mm	95 mm
Rainy days	9	9
Humidity	73%	73%
Air quality (AQI)	51	47

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

Month by month

Rome 🇮🇹 Italyhot, rainy · best May83
San Marino San Marinonice, rainy, clean air · best June87

Rome vs San Marino in September — FAQ

Is September better in Rome or San Marino?: San Marino is the better pick in September — 87 vs 83 on SeasonMap's comfort score. San Marino is nice, rainy, clean air, while Rome is hot, rainy.
What is the weather like in Rome vs San Marino in September?: In September, Rome averages 28°C high / 17°C low with about 97 mm of rain; San Marino averages 22°C high / 13°C low with about 95 mm.