Weather in Rome in September
September in Rome is mild with average temperatures around 21.9°C (71.4°F). Moderate rainfall of 70mm spread over 9 days.
Data Note: Temperature values are 2001–2020 satellite/reanalysis grid averages from NASA POWER and may differ from airport station normals by a few degrees.
Temperature
High
27.1°C
80.8°F
Low
16.6°C
61.9°F
Precipitation
70 mm
2.7 inches
~9 rainy days
Conditions
Humidity
64%
Comparison to Adjacent Months
September is 4.6°C cooler than August, 43mm wetter than August.
September is 4.2°C warmer than October.