Syracuse (Siracusa) weather in September
Italy

September in Syracuse: hot, a little rain, with clean air — an excellent time to visit.
#6 of 12 months in Syracuse · #653 of 1383 destinations to visit in September · comfort 81/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Syracuse in September
Other months in Syracuse
Sicily's forum calls May outstanding for Syracuse — warm without being hot, flowers blooming, ahead of peak tourist season. Regulars note days can turn genuinely warm to hot in full sun while evenings cool down enough for a light layer, and that the sea stays chilly even on a 30°C day since local beach season doesn't really start until June.
Add your own note from Syracuse's card on the map.
Syracuse climate normals — September
| Daytime high | 28°C / 82°F | 🥵 hot |
|---|---|---|
| Nighttime low | 22°C / 72°F | |
| Feels like (high) | 30°C / 86°F | |
| Sea temperature | 26°C / 79°F | 😎 warm sea |
| Rainfall | 44 mm / 1.7 in | 🌦 some rain |
| Rainy days | 7 days | |
| Humidity | 73% | 💧 humid |
| Dew point | 19°C / 67°F | |
| Sunshine | 10.7 h/day | |
| Daylight | 12.4 h | |
| Wind | 19 km/h / 12 mph | |
| Air quality (US AQI) | 49 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Syracuse in September
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusySummer holidays in Italy, school holidays in 2 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Syracuse's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherSyracuse's weather doesn't swing hard through the year — comfort stays fairly steady in every month.
What's on in Syracuse in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Sea warm enough to swim
1 Jun – 25 Oct · usuallyOne of the longest swimming windows in Europe: the Ionian off Ortigia's ladders and the Plemmirio reserve stays comfortable from June well into late October.
- Festival
Ortigia Film Festival
20–26 Sep · usuallyIndependent cinema screened outdoors in the squares of the old island for a week in late September, free or close to it, and starting late enough that the heat has gone out of the day. Source ↗
Nearby, and something's on
Within 300 km of Syracuse — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Syracuse?
Syracuse in September — FAQ
- Is September a good time to visit Syracuse?
- September in Syracuse: hot, a little rain, with clean air — an excellent time to visit. It ranks #6 of 12 months for Syracuse on SeasonMap's comfort score (81/100).
- What is the weather like in Syracuse in September?
- In September, Syracuse averages a daily high of 27.6°C and a low of 22°C, with about 44.3 mm of rain over roughly 7.4 rainy days.
- What is the air quality in Syracuse in September?
- Syracuse has a mean US Air Quality Index of about 49 in September.
Other months in Syracuse
Warmer or cooler than Syracuse in September
Similar destinations in Southern Europe — September
Within 300 km: Taormina's Concerts in the ancient theatre around 1 Jun – 30 Sep, and Valletta's Festa season on 1 Jun – 15 Sep.