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Palermo Weather in September
September in Palermo brings high temperatures, with daytime highs of 28°C (82°F) and nights around 21°C (70°F). The excellent weather makes it a solid choice for a visit.
Rainfall in Palermo in September
Looking at the last 30 years, the data shows about 5 days with rain, averaging 57 mm (2.2 in) for the month. The rain this month typically falls in concentrated bursts rather than all-day showers. Expect a few heavier spells rather than constant grey skies.
Temperature in Palermo in September
Palermo in September is worth a visit. The temperature is excellent, with 28°C (82°F) during the day and 21°C (70°F) at night. This month falls in the summer season. This kind of day-to-night contrast is typical for this time of year. Nights remain mild at 21°C (70°F), making evenings a pleasant time to be outdoors.
Sunshine in Palermo in September
With approximately 252 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.
Average water temperature in September
The water is 24°C (75°F) this month, warm enough that getting in requires no effort at all. Good conditions for swimming, snorkeling, or just floating around.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Palermo Temperature in September
Min Temperature
21°C (70°F)
Max Temperature
28°C (82°F)
Water Temperature
24°C (75°F)
Chance of Rain
17%
Precipitation
57 mm (2.2 in)
Rainy days
5 days
Humidity
72%
Sunshine
252 hours
Percentage Sunshine
Palermo Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Palermo - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Palermo typically stay consistent throughout September, with daily highs averaging around 28°C (82°F). Nights are warm, with lows typically ranging from 19°C (66°F) to 23°C (73°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather records for Palermo in September
Browse day-by-day weather records for Palermo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Palermo historical weather extremes in September
Our historical data for Palermo spans 1976 to 2025, revealing these weather extremes.
- Palermo recorded its highest September temperature of 40°C (104°F) on September 1, 1988.
- The lowest daytime temperature in September was 20°C (68°F), recorded on September 26, 2004.
- The lowest overnight temperature recorded in September was 12°C (54°F) (September 20, 1998).
Best Places in Italy in September
Find out more about the weather in Italy and which places have the best travel conditions in this month. See all of Italy in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Palermo in September
Warm but pleasant conditions in Palermo in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Wet weather is likely, so pack waterproof gear for multiple rainy days. The water temperature sits at about 24°C (75°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Palermo in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming10/10 -
Cycling8/10 -
Walking8/10 -
Barbeque10/10 -
Camping8/10 -
Outdoor sports8/10
Palermo 3-Day Forecast
More climate data for Palermo
Temperature Rainfall Sunshine Humidity Water Temp
See the full Palermo climate overview or explore weather in Italy.
Popular in September
Where to go in September - average daytime high across popular destinations.
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The 10 most beautiful historical towns in Italy
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