Toronto or New York in September?
On climate data, New York comes out ahead overall in September. See the per-criterion details below.
TorontoPhoto: Paolo Costa Baldi · CC BY-SA 3.0
New YorkPhoto: King of Hearts · CC BY-SA 4.0Key figures in September
| Criterion | Toronto | New York |
|---|---|---|
| Average daily high | 21 °C | 23 °C |
| Average daily low | 15 °C | 18 °C |
| Rainy days | 12 rainy days (est.) | 10 rainy days (est.) ★ |
| Sun | 5 h/day | 6 h/day ★ |
| Humidity | 74 % | 77 % |
Winner by travel type
Trade-offs
- New York is about 2 °C warmer by day.
Toronto or New York in September: the short answer
In September, New York comes out ahead on the overall climate score (Toronto 73/100 vs New York 81/100). That is a snapshot of one month, though — which one truly fits depends on what you want from the trip, so the breakdown below goes criterion by criterion.
This comparison focuses on September as a representative month for the pair; for any other month, use each destination's month-by-month pages. Across the whole year Toronto averages a climate score of 50/100, New York 57/100. Both profiles below are historical monthly averages, not a forecast.
Weather in September, side by side
The average daily high is about 21 °C in Toronto and 23 °C in New York — warmer in New York. Average daily lows are around 15 °C versus 18 °C.
On rain, Toronto sees about 12 rainy days in September and New York about 10 — drier in New York. New York gets more sunshine (5 vs 6 hours a day).
Rain and sun across the year
Over a full year Toronto records roughly 153 rainy days and New York about 131 — the drier of the two overall is New York. At their sunniest, Toronto reaches about 8 hours of sun a day (June) and New York about 8 (June). If dependable dry, sunny weather is your top priority, weigh these annual totals alongside the single month above.
Best time to visit each
Climatically, Toronto is at its best in June, July, August and September, while New York peaks in June, July, August and September. If your dates are fixed, pick the destination whose strong season overlaps them; if you are flexible, plan around these windows.
Which suits which kind of trip
Based on the September scores for each travel style:
City breaks: New York scores higher in September (Toronto 84 vs New York 89).
Active & hiking: Toronto scores higher in September (Toronto 78 vs New York 77).
Family: New York scores higher in September (Toronto 61 vs New York 77).
Verdict: which should you pick?
There is no single winner — it depends on your month and your priority. For September specifically, use the head-to-head above; over the year, New York carries the slightly higher overall climate score. Choose Toronto if its strong months and profile match your plan, New York if its do. The month-by-month pages for each destination give you the full picture before you book.