Weather Comparison
Side-by-side weather comparison for September
| Metric | Lisbon | Toronto | Better |
|---|---|---|---|
| Average HighHigher is warmer | 25°C (77°F)▲ | 13°C (55°F) | Lisbon |
| Average LowHigher is milder | 18°C (64°F)▲ | 1°C (34°F) | Lisbon |
| Rain DaysFewer is drier | 4 days | 4 days | Tie |
| PrecipitationLess is drier | 29 mm▲ | 50 mm | Lisbon |
| Sunshine HoursMore is sunnier | 11h/day▲ | 4h/day | Lisbon |
| HumidityLower is more comfortable | 65% | 65% | Tie |
| UV IndexLower is safer | 6 | 6 | Tie |
| Wind SpeedCalmer is better | 21 km/h | 15 km/h▲ | Toronto |
Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Lisbon edges ahead as the better destination in September. Lisbon offers 11 hours of daily sunshine with only 4 rain days, while Toronto sees 4 sunshine hours and 4 rain days.
Lisbon sits in the comfortable travel range at 25°C. Toronto is cooler at 13°C.
For travelers who prioritize dry weather, both cities are equally dry in September. Lisbon receives 7 more hours of sunshine per day, which matters for sightseeing and outdoor activities.
Lisbon reaches an average high of 25°C (77°F) and drops to 18°C (64°F) at night during September. The daily temperature range is 7°C, meaning relatively stable temperatures from day to night.
Toronto averages 13°C (55°F) for the high and 1°C (34°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.
Lisbon receives approximately 29 mm of rainfall across 4 rain days during September. Rain is occasional, so a light rain jacket should suffice.
Toronto sees 50 mm over 4 rain days. Both cities are equally rainy this month.
Both cities share similar humidity levels at 65%.
Highs of 25°C, lows of 18°C, 4 rain days
Highs of 13°C, lows of 1°C, 4 rain days
The table below shows average high temperatures and rain days for every month. September is highlighted for quick reference.
| Month | Lisbon | Toronto | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 14°C | 9d | 4°C | 3d |
| Feb | 14°C | 8d | 8°C | 3d |
| Mar | 17°C | 8d | 13°C | 4d |
| Apr | 18°C | 8d | 18°C | 5d |
| May | 21°C | 6d | 22°C | 6d |
| Jun | 24°C | 2d | 24°C | 6d |
| Jul | 26°C | 1d | 22°C | 6d |
| Aug | 27°C | 1d | 18°C | 5d |
| Sep | 25°C | 4d | 13°C | 4d |
| Oct | 21°C | 9d | 8°C | 3d |
| Nov | 17°C | 10d | 4°C | 3d |
| Dec | 14°C | 9d | 2°C | 3d |
Lisbon Weather in September
Full forecast, packing tips, and activities
Toronto Weather in September
Full forecast, packing tips, and activities