Weather Comparison
Side-by-side weather comparison for September
| Metric | Barcelona | Amsterdam | Better |
|---|---|---|---|
| Average HighHigher is warmer | 22°C (72°F)▲ | 10°C (50°F) | Barcelona |
| Average LowHigher is milder | 13°C (55°F)▲ | -2°C (28°F) | Barcelona |
| Rain DaysFewer is drier | 4 days | 4 days | Tie |
| PrecipitationLess is drier | 45 mm▲ | 50 mm | Barcelona |
| 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 |
Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Barcelona edges ahead as the better destination in September. Barcelona offers 4 hours of daily sunshine with only 4 rain days, while Amsterdam sees 4 sunshine hours and 4 rain days.
Barcelona sits in the comfortable travel range at 22°C. Amsterdam is cooler at 10°C.
For travelers who prioritize dry weather, both cities are equally dry in September.
Barcelona 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.
Amsterdam averages 10°C (50°F) for the high and -2°C (28°F) for the low, with a daily range of 12°C. There is a notable 12°C gap between the two cities, so expect a very different feel.
Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in September.
Barcelona receives approximately 45 mm of rainfall across 4 rain days during September. Rain is occasional, so a light rain jacket should suffice.
Amsterdam sees 50 mm over 4 rain days. Both cities are equally rainy this month.
Both cities share similar humidity levels at 65%.
Highs of 22°C, lows of 13°C, 4 rain days
Highs of 10°C, lows of -2°C, 4 rain days
The table below shows average high temperatures and rain days for every month. September is highlighted for quick reference.
| Month | Barcelona | Amsterdam | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 16°C | 6d | -1°C | 3d |
| Feb | 19°C | 5d | 4°C | 3d |
| Mar | 22°C | 4d | 10°C | 4d |
| Apr | 26°C | 2d | 17°C | 5d |
| May | 28°C | 1d | 21°C | 6d |
| Jun | 29°C | 1d | 23°C | 6d |
| Jul | 28°C | 1d | 21°C | 6d |
| Aug | 26°C | 2d | 17°C | 5d |
| Sep | 22°C | 4d | 10°C | 4d |
| Oct | 19°C | 5d | 4°C | 3d |
| Nov | 16°C | 6d | -1°C | 3d |
| Dec | 15°C | 7d | -2°C | 3d |
Barcelona Weather in September
Full forecast, packing tips, and activities
Amsterdam Weather in September
Full forecast, packing tips, and activities