Weather Comparison
Lisbon vs Athens
Side-by-side weather comparison for September
September Weather: Lisbon vs Athens
| Metric | Lisbon | Athens | 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?
Lisbon and Athens 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.
Lisbon sits in the comfortable travel range at 22°C. Athens is also comfortable at 22°C.
For travelers who prioritize dry weather, both cities are equally dry in September.
Temperature Comparison in September
Lisbon 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.
Athens 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
Lisbon receives approximately 45 mm of rainfall across 4 rain days during September. Rain is occasional, so a light rain jacket should suffice.
Athens 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: Lisbon vs Athens
Packing for Lisbon in September
Highs of 22°C, lows of 13°C, 4 rain days
- ✓light layers
- ✓a light jacket for evenings
- ✓sunscreen
Packing for Athens 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: Lisbon vs Athens
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 | Lisbon | Athens | ||
|---|---|---|---|---|
| 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 |
Lisbon Weather in September
Full forecast, packing tips, and activities
Athens Weather in September
Full forecast, packing tips, and activities