Palermo, Sicily 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 – June, September – October
What is the weather like in Palermo, Sicily in September?
In September, Palermo, Sicily is hot: daytime highs average 27 °C, and even at night it stays warm at around 21 °C. The sea averages 25.6 °C – pleasant for swimming. The sun shines for around 9 hours a day. Rain falls on about 8 days, adding up to 52 mm. All in all, September is an excellent month for a holiday in Palermo, Sicily.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 76 | 91 | 83 |
| Day | 31° | 27° | 24° |
| Night | 24° | 21° | 18° |
| Sea | 27° | 26° | 23° |
| Sun | 11 h | 9 h | 7 h |
| Rain days | 3 | 8 | 9 |
More details for September
- Daylight
- 12 h 30 min06:47 – 19:17
- UV index
- 7 · highclear sky, noon (estimate)
- Muggy days
- 11 daysdew point 18 °C or more
- Wind
- 14 km/haverage daily peak
- Cloud cover
- 37 %on average
- Hot days
- 5 days30 °C or more
- Time zone
- UTC+2Europe/Rome
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %95 %
- Few rainy daysweight 30 %73 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in September
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
Palermo, Sicily in September: quick answers
Is Palermo, Sicily hot in September?
Yes. In September, Palermo, Sicily is hot: daytime highs average 27 °C and nights stay around 21 °C. On about 5 days the thermometer climbs to 30 °C or more.
Can you swim in Palermo, Sicily in September?
Yes. In September the sea averages 25.6 °C – pleasant for swimming.
Does it rain much in Palermo, Sicily in September?
Rain falls on about 8 days, adding up to 52 mm.
Palermo, Sicily month by month
The whole year in Palermo, SicilyAll destinations: Italy
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)