Italy weather in September
Long-run climate averages for Italy in September, plus what the forecast models say for the days ahead.
In September, Italy averages 28°C by day and 18°C at night. The wettest month is usually May.
September in Italy 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 Italy 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 Italy forecast with every model compared and how much they currently agree.
Italy weather by month
what to expect in Italy through the yearHere is Italy'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 Italy by season.
Common questions
How warm is Italy in September?
Is September a good time to visit Italy?
Does it rain a lot in Italy in September?
Climate averages from ERA5 reanalysis. Model accuracy re-scored over a rolling 30 days. Page updated .