Rome Weather in September
In September, Rome averages a high of 27°C (80°F) and a low of 16°C (60°F), from 54 years of daily records (1971–2025).
27°C
Average high
80°F
16°C
Average low
60°F
38°C
Record high
101°F · September 5, 1982
6°C
Record low
42°F · September 19, 1971
What September Is Like in Rome
- 5 of the 10 warmest Septembers on record in Rome have come since 2010.
- The September heat record, 38°C (101°F) on September 5, 1982, has stood for 43 years.
- The coldest September reading, 6°C (42°F) on September 19, 1971, has not been matched in 54 years.
- September in Rome has become 1.4°C (2.5°F) warmer on average: the 2010–2024 average against 1970–1989.
At least 1 mm of rain falls on 20% of September days, and the month averages 68 mm in total.
Warmest: 2011 (30.1°C)Latest: 2024 (26.9°C)10-year averageLong-run average (26.6°C)
Look Up a Day in September
See the weather in Rome on any September date, year by year.
Source: NOAA GHCN-Daily, Roma Ciampino (1971–2025); Vigna Di Valle (1997–2025). Averages cover 1971–2025. How we compute this