Bologna weather in September
Temperature, rain 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 – October
What is the weather like in Bologna in September?
In September, Bologna 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 8 days, adding up to 71 mm. All in all, September is an excellent month for a holiday in Bologna.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 68 | 85 | 77 |
| Day | 31° | 25° | 20° |
| Night | 20° | 15° | 11° |
| Sun | 9 h | 7 h | 5 h |
| Rain days | 8 | 8 | 9 |
More details for September
- Daylight
- 12 h 36 min06:52 – 19:28
- UV index
- 5 · moderateclear sky, noon (estimate)All months
- Muggy days
- 2 daysdew point 18 °C or moreAll months
- Wind
- 12 km/haverage daily peakAll months
- Cloud cover
- 43 %on averageAll months
- Hot days
- 4 days30 °C or moreAll months
- 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 %72 %
- Few rainy daysweight 30 %69 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in September
- Sunscreen
- Light, breathable clothes
- A jumper for the evenings
- Rain jacket or umbrella
Bologna in September: quick answers
Is Bologna hot in September?
Warm rather than hot: in September, daytime highs in Bologna average 25 °C and nights cool to about 15 °C. On about 4 days the thermometer climbs to 30 °C or more.
Does it rain much in Bologna in September?
Rain falls on about 8 days, adding up to 71 mm.
Bologna month by month
The whole year in BolognaAll 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). Sources & licences