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Ostuni Weather in September
September in Ostuni brings high temperatures, with daytime highs of 26°C (79°F) and nights around 20°C (68°F). Quite a bit of rainfall is expected, around 60 mm (2.4 in), so pack an umbrella.
Rainfall in Ostuni in September
Based on our climate data of the past 30 years, about 7 days of rain are anticipated, with 60 mm (2.4 in) on average. 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 Ostuni in September
Ostuni in September has excellent weather. Days reach 26°C (79°F) and nights cool to 20°C (68°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. At 20°C (68°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Sunshine in Ostuni in September
Expect a lot of sunshine this month, with about 240 hours of sun. These sunny conditions add to the overall experience.If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.
Ostuni Temperature in September
Min Temperature
20°C (68°F)
Max Temperature
26°C (79°F)
Chance of Rain
22%
Precipitation
60 mm (2.4 in)
Rainy days
7 days
Humidity
74% *
Sunshine
240 hours *
Percentage Sunshine
67% *
* Data from: Brindisi, Italy (32 KM, 20 Miles).
Ostuni Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Ostuni - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Ostuni typically drop from around 28°C (82°F) at the start of September to approximately 25°C (77°F) by the end. Nights are pleasant, with lows typically ranging from 16°C (61°F) to 19°C (66°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 Ostuni in September
Browse day-by-day weather records for Ostuni spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Ostuni historical weather extremes in September
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Ostuni.
- Ostuni recorded its highest September temperature of 36°C (97°F) on September 2, 1988.
- The coldest September day was on September 24, 2008, with a maximum of 17°C (63°F).
- The lowest overnight temperature recorded in September was 7°C (45°F) (September 30, 2002).
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 Ostuni in September
Warm but pleasant conditions in Ostuni 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. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Ostuni in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming9/10 -
Cycling8/10 -
Walking8/10 -
Camping8/10 -
Outdoor sports8/10
Ostuni 3-Day Forecast
More climate data for Ostuni
Temperature Rainfall Sunshine Humidity
See the full Ostuni 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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