What to Wear in Rome in September
Warm and beautiful — crowds thin out. Expect 18°–28°C with 5 rainy days on average.
☀️
High
28°C
🌙
Low
18°C
🌧️
Rain days
5
🌡️
Feel
Pleasantly Warm
Typical outfit
~23°C average
About September in Rome
September in Rome typically brings warm and beautiful — crowds thin out. With averages of 18°–28°C, the conditions call for perfect weather for exploring! light layers will keep you comfortable all day.
The classic "three-layer" rule works perfectly here: a base, a mid-layer, and something for wind.
September in other cities