September in Rome brings high temperatures, with highs of 25°C (77°F) and nights dropping to 20°C (68°F). Rainfall is on the higher side this month, averaging around 94 mm (3.7 in), so keep a rain jacket handy.
So this is a great month to visit if you prefer dry days with pleasant temperatures.
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Pick a month to see the average temperature, rainfall and sunshine in Rome - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Rome typically stay consistent throughout September, with daily highs averaging around 25°C (77°F). Nights are pleasant, with lows typically ranging from 14°C (57°F) to 18°C (64°F).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Rome spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
The extremes listed below come from historical weather data collected in Rome from 1976 through 2025.
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 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).
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Rome climate overview or explore weather in Italy.
Where to go in September - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
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