Weather Comparison
Side-by-side weather comparison for September
| Metric | Florence | Rome | Better |
|---|---|---|---|
| Average HighHigher is warmer | 25°C (77°F) | 25°C (77°F) | Tie |
| Average LowHigher is milder | 15°C (59°F) | 16°C (61°F)▲ | Rome |
| Rain DaysFewer is drier | 9 days | 9 days | Tie |
| PrecipitationLess is drier | 86 mm | 81 mm▲ | Rome |
| Sunshine HoursMore is sunnier | 10h/day | 11h/day▲ | Rome |
| HumidityLower is more comfortable | 65% | 65% | Tie |
| UV IndexLower is safer | 6 | 6 | Tie |
| Wind SpeedCalmer is better | 12 km/h▲ | 14 km/h | Florence |
Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Rome edges ahead as the better destination in September. Rome offers 11 hours of daily sunshine with only 9 rain days, while Florence sees 10 sunshine hours and 9 rain days.
Florence sits in the comfortable travel range at 25°C. Rome is also comfortable at 25°C.
For travelers who prioritize dry weather, both cities are equally dry in September. Rome receives 1 more hour of sunshine per day, which matters for sightseeing and outdoor activities.
Florence reaches an average high of 25°C (77°F) and drops to 15°C (59°F) at night during September. The daily temperature range is 10°C, meaning moderate variation throughout the day.
Rome averages 25°C (77°F) for the high and 16°C (61°F) for the low, with a daily range of 9°C. The two cities feel quite similar in terms of temperature.
Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in September.
Florence receives approximately 86 mm of rainfall across 9 rain days during September. You can expect rain roughly every other day.
Rome sees 81 mm over 9 rain days. Both cities are equally rainy this month.
Both cities share similar humidity levels at 65%.
Highs of 25°C, lows of 15°C, 9 rain days
Highs of 25°C, lows of 16°C, 9 rain days
Pack for both: light layers, a light jacket for evenings, sunscreen, a packable rain jacket, an umbrella. These items are useful in either destination during September.
The table below shows average high temperatures and rain days for every month. September is highlighted for quick reference.
| Month | Florence | Rome | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 9°C | 10d | 12°C | 9d |
| Feb | 11°C | 10d | 12°C | 9d |
| Mar | 14°C | 10d | 15°C | 9d |
| Apr | 18°C | 12d | 18°C | 11d |
| May | 22°C | 10d | 22°C | 9d |
| Jun | 27°C | 7d | 27°C | 5d |
| Jul | 30°C | 4d | 30°C | 4d |
| Aug | 30°C | 5d | 31°C | 4d |
| Sep | 25°C | 9d | 25°C | 9d |
| Oct | 19°C | 12d | 21°C | 11d |
| Nov | 14°C | 13d | 16°C | 12d |
| Dec | 10°C | 12d | 12°C | 11d |
Florence Weather in September
Full forecast, packing tips, and activities
Rome Weather in September
Full forecast, packing tips, and activities