Rome weather in September
Long-run climate averages for Rome, Italy in September, plus what the forecast models say for the days ahead.
In September, Rome averages 28°C by day and 18°C at night. The wettest month is usually May.
September in Rome averages a daytime high of 28°C and an overnight low of 18°C, which reads as warm for this part of the world. Across the whole year Rome sees roughly 898 mm of precipitation.
Climate averages tell you what to pack. They do not tell you what next Tuesday looks like - for that, see the live Rome forecast with every model compared and how much they currently agree.
Rome weather by month
what to expect in Rome through the yearHere is Rome's typical weather in each month: the average daytime high and overnight low in °C, how each month feels, and the wettest month marked. Use it to plan any trip to Rome by season.
Common questions
How warm is Rome in September?
Is September a good time to visit Rome?
Does it rain a lot in Rome in September?
Climate averages from ERA5 reanalysis. Model accuracy re-scored over a rolling 30 days. Page updated .