Weather Comparison
Side-by-side weather comparison for September
| Metric | Toronto | Miami | Better |
|---|---|---|---|
| Average HighHigher is warmer | 13°C (55°F) | 29°C (84°F)▲ | Miami |
| Average LowHigher is milder | 1°C (34°F) | 25°C (77°F)▲ | Miami |
| Rain DaysFewer is drier | 4 days▲ | 22 days | Toronto |
| PrecipitationLess is drier | 50 mm▲ | 157 mm | Toronto |
| Sunshine HoursMore is sunnier | 4h/day | 10h/day▲ | Miami |
| HumidityLower is more comfortable | 65%▲ | 70% | Toronto |
| UV IndexLower is safer | 6 | 6 | Tie |
| Wind SpeedCalmer is better | 15 km/h▲ | 18 km/h | Toronto |
Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Toronto edges ahead as the better destination in September. Toronto offers 4 hours of daily sunshine with only 4 rain days, while Miami sees 10 sunshine hours and 22 rain days.
Toronto is on the cooler side at 13°C, requiring warmer clothing. Miami runs hot at 29°C.
For travelers who prioritize dry weather, Toronto is the stronger choice in September. Miami receives 6 more hours of sunshine per day, which matters for sightseeing and outdoor activities.
Toronto reaches an average high of 13°C (55°F) and drops to 1°C (34°F) at night during September. The daily temperature range is 12°C, meaning significant temperature swings between day and night.
Miami averages 29°C (84°F) for the high and 25°C (77°F) for the low, with a daily range of 4°C. There is a notable 16°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.
Toronto receives approximately 50 mm of rainfall across 4 rain days during September. Rain is occasional, so a light rain jacket should suffice.
Miami sees 157 mm over 22 rain days. That makes Toronto the drier option by 18 rain days and 107 mm of total precipitation.
Humidity also differs: Toronto averages 65% while Miami sits at 70%. Miami will feel muggier, especially at higher temperatures.
Highs of 13°C, lows of 1°C, 4 rain days
Highs of 29°C, lows of 25°C, 22 rain days
The table below shows average high temperatures and rain days for every month. September is highlighted for quick reference.
| Month | Toronto | Miami | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 4°C | 3d | 23°C | 8d |
| Feb | 8°C | 3d | 24°C | 7d |
| Mar | 13°C | 4d | 25°C | 7d |
| Apr | 18°C | 5d | 27°C | 8d |
| May | 22°C | 6d | 28°C | 12d |
| Jun | 24°C | 6d | 29°C | 20d |
| Jul | 22°C | 6d | 30°C | 21d |
| Aug | 18°C | 5d | 30°C | 22d |
| Sep | 13°C | 4d | 29°C | 22d |
| Oct | 8°C | 3d | 28°C | 15d |
| Nov | 4°C | 3d | 26°C | 9d |
| Dec | 2°C | 3d | 24°C | 8d |
Toronto Weather in September
Full forecast, packing tips, and activities
Miami Weather in September
Full forecast, packing tips, and activities