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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Oz Briefly Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
The live forecast above shows current conditions; historically, Rome in September averages highs of 26–28°C and lows of 14–17°C, with about 70 mm of rainfall spread over 6–7 wet days. This means warm, mostly sunny days with mild evenings — a pleasant shoulder season for sightseeing before the cooler autumn weather sets in.
What is the temperature in Rome during September?
Daily highs typically range from 25°C to 30°C early in the month, dropping to 23–27°C by late September. Overnight lows fall between 13°C and 18°C. While midday heat can still feel intense, humidity is lower than in summer, making outdoor exploring comfortable. For a comparison with other Italian cities, see our 10-day forecast tool.
How does September weather in Rome compare to Florence?
Florence weather in September is very similar — average highs of 25–28°C and lows of 13–16°C, though Florence tends to be slightly hotter inland. Rainfall totals are comparable. For travellers planning a multi-city trip, the weather in Italy in September and October transitions gradually; by October, Rome sees highs of 21–24°C and more frequent rain. The temperature in Rome in September and October differs by about 4–5°C, making September the warmer choice.
Is September a good month to visit Rome?
Yes — warm days, lower humidity and fewer crowds than peak summer make it ideal for sightseeing. Evenings are mild, and you can expect mostly clear skies. Just pack a light jacket for cooler nights and an umbrella for occasional showers.
What should I pack for Rome in September?
Light layers: shorts or skirts for day, trousers and a light jumper for evening. A rain jacket or small umbrella is useful. Comfortable walking shoes are essential. Sunglasses and sunscreen are recommended for midday sun.
For a broader view of conditions around the country, check our Australia weather hub (handy for travellers planning onward trips) or read about our data standards at Sources & standards. While some travellers search for “rome weather september accuweather” or “italy weather september accuweather”, we rely on official meteorological sources provided above. For more on Italian weather patterns, see our article on Edinburgh Weather (for a northern-hemisphere comparison) or the BOM Weather Australia page for local forecasting methods.