Weather Comparison
Side-by-side weather comparison for September
| Metric | Rome | Split | Better |
|---|---|---|---|
| Average HighHigher is warmer | 25°C (77°F)▲ | 24°C (75°F) | Rome |
| Average LowHigher is milder | 16°C (61°F) | 17°C (63°F)▲ | Split |
| Rain DaysFewer is drier | 9 days | 8 days▲ | Split |
| PrecipitationLess is drier | 81 mm▲ | 104 mm | Rome |
| Sunshine HoursMore is sunnier | 11h/day | 11h/day | Tie |
| HumidityLower is more comfortable | 65% | 65% | Tie |
| UV IndexLower is safer | 6 | 6 | Tie |
| Wind SpeedCalmer is better | 14 km/h▲ | 17 km/h | Rome |
Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Split edges ahead as the better destination in September. Split offers 11 hours of daily sunshine with only 8 rain days, while Rome sees 11 sunshine hours and 9 rain days.
Rome sits in the comfortable travel range at 25°C. Split is also comfortable at 24°C.
For travelers who prioritize dry weather, Split is the stronger choice in September.
Rome reaches an average high of 25°C (77°F) and drops to 16°C (61°F) at night during September. The daily temperature range is 9°C, meaning moderate variation throughout the day.
Split averages 24°C (75°F) for the high and 17°C (63°F) for the low, with a daily range of 7°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.
Rome receives approximately 81 mm of rainfall across 9 rain days during September. You can expect rain roughly every other day.
Split sees 104 mm over 8 rain days. That makes Split the drier option by 1 rain day and 23 mm of total precipitation.
Both cities share similar humidity levels at 65%.
Highs of 25°C, lows of 16°C, 9 rain days
Highs of 24°C, lows of 17°C, 8 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 | Rome | Split | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 12°C | 9d | 10°C | 11d |
| Feb | 12°C | 9d | 11°C | 10d |
| Mar | 15°C | 9d | 14°C | 10d |
| Apr | 18°C | 11d | 17°C | 11d |
| May | 22°C | 9d | 22°C | 9d |
| Jun | 27°C | 5d | 26°C | 7d |
| Jul | 30°C | 4d | 29°C | 5d |
| Aug | 31°C | 4d | 29°C | 5d |
| Sep | 25°C | 9d | 24°C | 8d |
| Oct | 21°C | 11d | 20°C | 11d |
| Nov | 16°C | 12d | 15°C | 14d |
| Dec | 12°C | 11d | 11°C | 12d |
Rome Weather in September
Full forecast, packing tips, and activities
Split Weather in September
Full forecast, packing tips, and activities