Weather Comparison
Rome vs Barcelona
Side-by-side weather comparison for September
September Weather: Rome vs Barcelona
| Metric | Rome | Barcelona | Better |
|---|---|---|---|
| Average HighHigher is warmer | 22°C (72°F) | 22°C (72°F) | Tie |
| Average LowHigher is milder | 13°C (55°F) | 13°C (55°F) | Tie |
| Rain DaysFewer is drier | 4 days | 4 days | Tie |
| PrecipitationLess is drier | 45 mm | 45 mm | Tie |
| Sunshine HoursMore is sunnier | 4h/day | 4h/day | Tie |
| HumidityLower is more comfortable | 65% | 65% | Tie |
| UV IndexLower is safer | 6 | 6 | Tie |
| Wind SpeedCalmer is better | 15 km/h | 15 km/h | Tie |
Which City is Better in September?
Rome and Barcelona are closely matched in September. Neither city has a clear advantage across all metrics. Your decision should come down to personal preference, cultural interests, and travel logistics rather than weather alone.
Rome sits in the comfortable travel range at 22°C. Barcelona is also comfortable at 22°C.
For travelers who prioritize dry weather, both cities are equally dry in September.
Temperature Comparison in September
Rome reaches an average high of 22°C (72°F) and drops to 13°C (55°F) at night during September. The daily temperature range is 9°C, meaning moderate variation throughout the day.
Barcelona averages 22°C (72°F) for the high and 13°C (55°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.
Rainfall Comparison in September
Rome receives approximately 45 mm of rainfall across 4 rain days during September. Rain is occasional, so a light rain jacket should suffice.
Barcelona sees 45 mm over 4 rain days. Both cities are equally rainy this month.
Both cities share similar humidity levels at 65%.
What to Pack: Rome vs Barcelona
Packing for Rome in September
Highs of 22°C, lows of 13°C, 4 rain days
- ✓light layers
- ✓a light jacket for evenings
- ✓sunscreen
Packing for Barcelona in September
Highs of 22°C, lows of 13°C, 4 rain days
- ✓light layers
- ✓a light jacket for evenings
- ✓sunscreen
Pack for both: light layers, a light jacket for evenings, sunscreen. These items are useful in either destination during September.
Year-Round Comparison: Rome vs Barcelona
The table below shows average high temperatures and rain days for every month of the year, helping you find the best time to visit either city.September is highlighted for quick reference.
| Month | Rome | Barcelona | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 16°C | 6d | 16°C | 6d |
| Feb | 19°C | 5d | 19°C | 5d |
| Mar | 22°C | 4d | 22°C | 4d |
| Apr | 26°C | 2d | 26°C | 2d |
| May | 28°C | 1d | 28°C | 1d |
| Jun | 29°C | 1d | 29°C | 1d |
| Jul | 28°C | 1d | 28°C | 1d |
| Aug | 26°C | 2d | 26°C | 2d |
| Sep | 22°C | 4d | 22°C | 4d |
| Oct | 19°C | 5d | 19°C | 5d |
| Nov | 16°C | 6d | 16°C | 6d |
| Dec | 15°C | 7d | 15°C | 7d |
Rome Weather in September
Full forecast, packing tips, and activities
Barcelona Weather in September
Full forecast, packing tips, and activities