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Trapani Weather in September
September in Trapani typically sees daytime highs of 27°C (81°F) and nighttime lows of 22°C (72°F). Expect some rainfall during the month. It falls within the summer season.
Rainfall in Trapani in September
Past climate data indicates that roughly 5 days will see rain, totalling around 53 mm (2.1 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 Trapani in September
September is one of the better months to visit Trapani. Expect 27°C (81°F) during the day and 22°C (72°F) at night. The summer season takes place during September. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. At 22°C (72°F) overnight, nights are warm enough to sit outside comfortably in light clothing.
Sunshine in Trapani in September
Enjoy a sunny month with about 255 hours of sunshine, the clear skies make Trapani even more beautiful.
Average water temperature in September
At 23°C (73°F), the water is warm and comfortable for swimming. Most people find this temperature ideal for spending longer periods in the water.If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Trapani.
Trapani Temperature in September
Min Temperature
22°C (72°F)
Max Temperature
27°C (81°F)
Water Temperature
23°C (73°F)
Chance of Rain
15%
Precipitation
53 mm (2.1 in)
Rainy days
5 days
Humidity
76%
Sunshine
255 hours
Percentage Sunshine
70%
Trapani Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Trapani - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Trapani typically stay consistent throughout September, with daily highs averaging around 27°C (81°F). Nights are pleasant, with lows typically ranging from 18°C (64°F) to 21°C (70°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 Trapani in September
Browse day-by-day weather records for Trapani spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Trapani historical weather extremes in September
Based on 50 years of weather observations (1976-2026), these are the most extreme conditions recorded in Trapani.
- The warmest day in September was on September 1, 1988, with a maximum of 39°C (102°F).
- Trapani experienced its chilliest September day on September 27, 1979, reaching only 20°C (68°F).
- The coldest night in September in Trapani was on September 30, 1977, with a minimum of 10°C (50°F).
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 Trapani in September
Warm but pleasant conditions in Trapani 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. With water temperatures around 23°C (73°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
What To Do in Trapani 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
Trapani 3-Day Forecast
More climate data for Trapani
Temperature Rainfall Sunshine Humidity Water Temp
See the full Trapani climate overview or explore weather in Italy.
Popular in September
Where to go in September - average daytime high across popular destinations.
Bucket list
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