Temperature
Pleasant by day, brisk at night.
Mild days with cool nights and plenty of sun.
Pleasant by day, brisk at night.
Several rainy days. About 11 wet days, the lowest monthly average.
A mix of sunshine and cloud.
In September, afternoons feel about 63° and nights feel near 50°.
Partly cloudy skies this month.
Calm winds are typical in September.
September late afternoons are around 67°F, easing to about 60°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 22 | 6 | 3.1 | 12 | 5.5 | 75 |
| Feb | 26 | 9 | 2.9 | 11 | 6.8 | 73 |
| Mar | 35 | 20 | 3.2 | 11 | 8.1 | 70 |
| Apr | 50 | 33 | 4.0 | 12 | 8.7 | 66 |
| May | 65 | 46 | 4.0 | 13 | 10.3 | 66 |
| Jun | 73 | 55 | 5.0 | 13 | 11.1 | 72 |
| Jul | 77 | 60 | 4.9 | 15 | 11.5 | 76 |
| Aug | 76 | 58 | 4.6 | 13 | 10.8 | 78 |
| Sep | 68 | 51 | 4.1 | 11 | 8.7 | 79 |
| Oct | 54 | 40 | 4.7 | 12 | 6.6 | 78 |
| Nov | 40 | 29 | 3.8 | 12 | 5.2 | 78 |
| Dec | 28 | 15 | 4.3 | 14 | 4.7 | 79 |
Similar climates
Want a side-by-side climate view? Compare Quebec City with Boston.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology