Weather in Rome in September 2025
Average weather
Average temperature in Rome in September
Going from a maximum of +33°C during the day to a minimum of +15°C during the night, the temperature in September averages around +30°C.
The average maximum temperature goes up 6% by the end of the month, compared with the beginning of the month, from +28°C to +29°C.
Is Rome warm or cold in September?
Rome is typically warm in September.
Maximum temperatures go down compared to the previous month from +31°C to +27°C. The minimum temperature also goes down from +20°C to +16°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how September is compared to other months in Rome:
Climate in Rome in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +31°C | +27°C | +22°C | ||||
| Min. temperature | ||||||
| +10°C | +8°C | +2°C | ||||
| Max. temperature | ||||||
| +39°C | +36°C | +32°C | ||||
| Rainfall | ||||||
| 27 mm | 88 mm | 133 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Humidity | ||||||
| 66% | 72% | 77% | ||||
| Air pressure | ||||||
| 1013 HPa | 1014 HPa | 1015 HPa | ||||
| Sunny days | ||||||
| 21 | 15 | 11 | ||||
| Cloudy days | ||||||
| 2 | 3 | 4 | ||||
| Rainy days | ||||||
| 4 | 7 | 11 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September typically has worse weather conditions compared to August. It’s getting colder in September. From +31°C in the day, the average maximum temperature lowers to +27°C. Prepare for more rain. Average rainfall goes from 27 mm to 88 mm. Humidity rises from 66% to 72%. The average wind speed doesn’t change much during September, staying around 2 m/s. The days becoming less sunny, going from 21 sunny days in August to 15 in September.
Next month (October) brings a further decline in the weather.
Wind
The average wind speed is 2 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Rome is gradually increasing during September, going from 2 m/s to 2 m/s over the course of the month.
Rain
How was the weather last September in Rome?
Climate Change over Years
The climate in Rome in September has not changed much over the last 43 years.
The average temperature was the lowest in 1980 (+19°C) and the highest in 2022 (+23°C). The driest year was 2001 with only 513 mm of rainfall, and the wettest year was 2020 with 2562 mm.
FAQ
Is September a good time to visit Rome?
Can you sunbathe in Rome in September?
Is Rome rainy in September?
Is it sunny in Rome in September?
Other cities in Italy
Monthly weather in Rome
Source of the data
For this page, we’ve looked at the typical weather in Rome, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.