Ancona 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: June – August
What is the weather like in Ancona in September?
In September, Ancona is warm: daytime highs average 24 °C, and nights cool down to about 18 °C. The sea averages 23.2 °C – pleasant for swimming. The sun shines for around 8 hours a day. Rain falls on about 8 days, adding up to 68 mm. All in all, September is an excellent month for a holiday in Ancona.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 97 | 81 | 39 |
| Day | 29° | 24° | 20° |
| Night | 22° | 18° | 14° |
| Sea | 26° | 23° | 20° |
| Sun | 10 h | 8 h | 6 h |
| Rain days | 6 | 8 | 8 |
More details for September
- Daylight
- 12 h 35 min06:44 – 19:19
- UV index
- 6 · highclear sky, noon (estimate)All months
- Muggy days
- 6 daysdew point 18 °C or moreAll months
- Wind
- 16 km/haverage daily peakAll months
- Cloud cover
- 40 %on averageAll months
- Hot days
- 1 day30 °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 35 %83 %
- Seaweight 25 %89 %
- Sunshineweight 20 %78 %
- Few rainy daysweight 20 %71 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in September
- Swimwear
- Sunscreen
- Rain jacket or umbrella
Ancona in September: quick answers
Is Ancona hot in September?
Warm rather than hot: in September, daytime highs in Ancona average 24 °C and nights cool to about 18 °C.
Can you swim in Ancona in September?
Yes. In September the sea averages 23.2 °C – pleasant for swimming.
Does it rain much in Ancona in September?
Rain falls on about 8 days, adding up to 68 mm.
Ancona month by month
The whole year in AnconaAll destinations: ItalyWhere to go in SeptemberSea temperature 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