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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Coast Brief Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
As the live forecast above shows, September in Rome brings warm days and mild evenings, making it a comfortable time to explore the city. The weather gradually transitions from summer heat to autumn mildness, with lower humidity than July or August.
What is the typical weather in Rome in September?
September days are warm, often reaching the upper 20s Celsius, while nights become pleasantly cool. Rainfall is moderate, with occasional showers usually brief. This month offers a delightful balance for outdoor sightseeing.
What should you pack for a September trip to Rome?
Pack light layers—shorts, t-shirts, and a light jacket or cardigan for evenings. Comfortable walking shoes are essential. An umbrella or light raincoat is handy for occasional rain, especially later in the month.
Is September a good time to visit Rome?
Yes, it is an excellent time. The weather is warm but not oppressive, crowds are smaller than in peak summer, and hotel rates are often lower. You can enjoy outdoor sights comfortably.
Does it rain much in Rome during September?
Rainfall is moderate, averaging about six days of light showers. It seldom disrupts plans for long, and the city remains sunny overall. Carry a compact umbrella just in case.
Is the sea warm enough for swimming in September?
Yes, the Tyrrhenian Sea off Rome’s coast averages 23°C in September, which is pleasant for a swim. Beaches like Ostia are still inviting, especially early in the month.
If you are comparing weather in Rome in October, note that temperatures drop further, averaging highs near 22°C. Similar conditions apply to Florence weather September and other central Italian cities. For a broader view of weather in Italy in September and October, see our Australia weather hub for global links, or check your 10-day forecast. While rome weather September accuweather may show slightly different numbers, the general trend is consistent. The same goes for italy weather September accuweather and italy weather in September in degrees – typical ranges hover in the mid-20s Celsius during the day.