Rome weather in September
Temperature, sea and sunshine in September: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in September
Excellent
Best time to visit: April – June, September
What is the weather like in Rome in September?
In September, Rome is warm: daytime highs average 26 °C, and nights cool down to about 17 °C. The sun shines for around 8 hours a day. Rain falls on about 9 days, adding up to 85 mm. All in all, September is an excellent month for a holiday in Rome.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 77 | 87 | 77 |
| Day | 31° | 26° | 21° |
| Night | 21° | 17° | 14° |
| Sun | 11 h | 8 h | 7 h |
| Rain days | 4 | 9 | 11 |
More details for September
- Daylight
- 12 h 33 min06:49 – 19:22
- UV index
- 6 · highclear sky, noon (estimate)
- Muggy days
- 6 daysdew point 18 °C or more
- Wind
- 16 km/haverage daily peak
- Cloud cover
- 39 %on average
- Hot days
- 2 days30 °C or more
- Time zone
- UTC+2Europe/Rome
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %87 %
- Few rainy daysweight 30 %67 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in September
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Rain jacket or umbrella
Rome in September: quick answers
Is Rome hot in September?
Warm rather than hot: in September, daytime highs in Rome average 26 °C and nights cool to about 17 °C. On about 2 days the thermometer climbs to 30 °C or more.
Does it rain much in Rome in September?
Rain falls on about 9 days, adding up to 85 mm.
Rome month by month
The whole year in RomeAll destinations: Italy
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)