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Weather Comparison

Quebec City vs Boston

Side-by-side weather comparison for September

Quebec City: 19°CBoston: 23°C495 km apart

September Weather: Quebec City vs Boston

MetricQuebec CityBostonBetter
Average HighHigher is warmer19°C (66°F)23°C (73°F)Boston
Average LowHigher is milder11°C (52°F)15°C (59°F)Boston
Rain DaysFewer is drier11 days8 daysBoston
PrecipitationLess is drier111 mm90 mmBoston
Sunshine HoursMore is sunnier9h/day9h/dayTie
HumidityLower is more comfortable65%65%Tie
UV IndexLower is safer66Tie
Wind SpeedCalmer is better15 km/h18 km/hQuebec City

Which City is Better in September?

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Boston edges ahead as the better destination in September. Boston offers 9 hours of daily sunshine with only 8 rain days, while Quebec City sees 9 sunshine hours and 11 rain days.

Quebec City sits in the comfortable travel range at 19°C. Boston is also comfortable at 23°C.

For travelers who prioritize dry weather, Boston is the stronger choice in September.

Temperature Comparison in September

Quebec City reaches an average high of 19°C (66°F) and drops to 11°C (52°F) at night during September. The daily temperature range is 8°C, meaning moderate variation throughout the day.

Boston averages 23°C (73°F) for the high and 15°C (59°F) for the low, with a daily range of 8°C. The 4°C difference is noticeable but not dramatic.

Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in September.

Rainfall Comparison in September

Quebec City receives approximately 111 mm of rainfall across 11 rain days during September. You can expect rain roughly every other day.

Boston sees 90 mm over 8 rain days. That makes Boston the drier option by 3 rain days and 21 mm of total precipitation.

Both cities share similar humidity levels at 65%.

What to Pack: Quebec City vs Boston

Packing for Quebec City in September

Highs of 19°C, lows of 11°C, 11 rain days

  • warm layers
  • a mid-weight jacket
  • long trousers
  • waterproof jacket
  • compact umbrella
  • waterproof shoes

Packing for Boston in September

Highs of 23°C, lows of 15°C, 8 rain days

  • light layers
  • a light jacket for evenings
  • sunscreen
  • a packable rain jacket
  • an umbrella

Year-Round Comparison: Quebec City vs Boston

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.

MonthQuebec CityBoston
HighRainHighRain
Jan-7°C12d2°C10d
Feb-5°C10d3°C9d
Mar1°C11d7°C11d
Apr8°C12d14°C11d
May17°C13d19°C11d
Jun22°C12d25°C10d
Jul24°C15d28°C10d
Aug23°C13d27°C9d
Sep19°C11d23°C8d
Oct11°C13d16°C10d
Nov4°C12d10°C10d
Dec-3°C13d5°C11d
19°

Quebec City Weather in September

Full forecast, packing tips, and activities

23°

Boston Weather in September

Full forecast, packing tips, and activities

Frequently Asked Questions

Is Quebec City warmer than Boston in September?
No. In September, Boston is warmer with an average high of 23°C (73°F) compared to Quebec City at 19°C (66°F), a difference of 4°C.
Which city gets more rain in September, Quebec City or Boston?
Quebec City gets more rain in September with 11 rain days and 111 mm of precipitation. Boston is the drier option with 8 rain days.
Is it better to visit Quebec City or Boston in September?
It depends on your preferences. Quebec City averages 19°C and 9 hours of daily sunshine with 11 rain days. Boston averages 23°C with 9 sunshine hours and 8 rain days. If you prefer cooler conditions, choose Boston. For fewer rain days, Boston is the better pick.
How far apart are Quebec City and Boston?
Quebec City and Boston are approximately 495 km (307 miles) apart. Quebec City is located in Canada (North America) while Boston is in United States (North America).
What is the best month to visit Quebec City and Boston?
For Quebec City, June tends to be the best month with 11 hours of daily sunshine and a high of 22°C. For Boston, July is typically ideal with 12 sunshine hours and 28°C highs.

Compare Quebec City and Boston in Other Months

Climate data sourced from the Open-Meteo Historical Weather API, using ERA5 reanalysis data covering 30-year normals from 1991 to 2020. All temperatures shown in Celsius with Fahrenheit equivalents. Rain days count days with 1 mm or more of precipitation. Sunshine hours represent average daily values. This comparison is generated from long-term climate averages and individual trips may vary.

Quebec City coordinates: 46.81°N, -71.21°E | Boston coordinates: 42.36°N, -71.06°E