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Castellammare del Golfo Weather in September
Castellammare del Golfo in September averages 29°C (84°F) during the day and 20°C (68°F) at night. Some rainfall is typical for this time of year.
Rainfall in Castellammare del Golfo in September
You can expect rain on roughly 5 days based on historical data, averaging 56 mm (2.2 in) for the month. Although rain is not especially frequent, individual showers can still be quite heavy.
Temperature in Castellammare del Golfo in September
Castellammare del Golfo has excellent weather in September, with days reaching 29°C (84°F) and nights cooling to 20°C (68°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With lows of 20°C (68°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.
Sunshine in Castellammare del Golfo in September
The month enjoys around 252 hours of sunshine, creating mostly sunny days with good weather conditions.If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Castellammare del Golfo.
Castellammare del Golfo Temperature in September
Min Temperature
20°C (68°F)
Max Temperature
29°C (84°F)
Chance of Rain
16%
Precipitation
56 mm (2.2 in)
Rainy days
5 days
Humidity
72% *
Sunshine
252 hours *
Percentage Sunshine
*
* Data from: Palermo, Italy (26 KM, 16 Miles).
Castellammare del Golfo Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Castellammare del Golfo - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Castellammare del Golfo typically stay consistent throughout September, with daily highs averaging around 29°C (84°F). Nights are warm, with lows typically ranging from 19°C (66°F) to 22°C (72°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 Castellammare del Golfo in September
Browse day-by-day weather records for Castellammare del Golfo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Castellammare del Golfo historical weather extremes in September
Our historical data for Castellammare del Golfo spans 1976 to 2026, revealing these weather extremes.
- The hottest September day on record in Castellammare del Golfo reached 39°C (102°F) (September 1, 1988).
- The coldest September day was on September 26, 2004, with a maximum of 20°C (68°F).
- Castellammare del Golfo registered its coldest September night on September 20, 1998, with temperatures dropping to 12°C (54°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 Castellammare del Golfo in September
Warm but pleasant conditions in Castellammare del Golfo 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. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Castellammare del Golfo 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
Castellammare del Golfo 3-Day Forecast
More climate data for Castellammare del Golfo
Temperature Rainfall Sunshine Humidity
See the full Castellammare del Golfo climate overview or explore weather in Italy.
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Where to go in September - average daytime high across popular destinations.
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