Florence 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: May – July, September
What is the weather like in Florence in September?
In September, Florence is warm: daytime highs average 25 °C, and nights cool down to about 15 °C. The sun shines for around 7 hours a day. Rain falls on about 9 days, adding up to 89 mm. All in all, September is an excellent month for a holiday in Florence.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 80 | 85 | 73 |
| Day | 30° | 25° | 19° |
| Night | 19° | 15° | 11° |
| Sun | 10 h | 7 h | 6 h |
| Rain days | 6 | 9 | 11 |
More details for September
- Daylight
- 12 h 35 min06:53 – 19:28
- UV index
- 5 · moderateclear sky, noon (estimate)All months
- Muggy days
- 1 daydew point 18 °C or more
- Wind
- 12 km/haverage daily peak
- Cloud cover
- 44 %on average
- Hot days
- 2 days30 °C or more
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+2Europe/Rome
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %73 %
- 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
- A jumper for the evenings
- Rain jacket or umbrella
Florence in September: quick answers
Is Florence hot in September?
Warm rather than hot: in September, daytime highs in Florence average 25 °C and nights cool to about 15 °C. On about 2 days the thermometer climbs to 30 °C or more.
Does it rain much in Florence in September?
Rain falls on about 9 days, adding up to 89 mm.
Florence month by month
The whole year in FlorenceAll destinations: ItalyWhere to go in September
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)