Sirmione, Lake Garda 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 – October
What is the weather like in Sirmione, Lake Garda in September?
In September, Sirmione, Lake Garda is warm: daytime highs average 24 °C, and nights cool down to about 16 °C. The sun shines for around 7 hours a day. Rain is frequent, with about 10 rainy days and 107 mm in total. All in all, September is an excellent month for a holiday in Sirmione, Lake Garda.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 73 | 83 | 76 |
| Day | 29° | 24° | 18° |
| Night | 20° | 16° | 12° |
| Sun | 9 h | 7 h | 6 h |
| Rain days | 10 | 10 | 10 |
More details for September
- Daylight
- 12 h 37 min06:55 – 19:31
- UV index
- 5 · moderateclear sky, noon (estimate)All months
- Muggy days
- 2 daysdew point 18 °C or more
- Wind
- 11 km/haverage daily peak
- Cloud cover
- 46 %on average
- Hot days
- 1 day30 °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 %61 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Nature escape”.
What to pack in September
- Sunscreen
- A jumper for the evenings
- Rain jacket or umbrella
Sirmione, Lake Garda in September: quick answers
Is Sirmione, Lake Garda hot in September?
Warm rather than hot: in September, daytime highs in Sirmione, Lake Garda average 24 °C and nights cool to about 16 °C.
Does it rain much in Sirmione, Lake Garda in September?
Rain is frequent, with about 10 rainy days and 107 mm in total.
Sirmione, Lake Garda month by month
The whole year in Sirmione, Lake GardaAll 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)