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Weather Comparison

Boston vs New York

Side-by-side weather comparison for September

Boston: 23°CNew York: 24°C306 km apart

September Weather: Boston vs New York

MetricBostonNew YorkBetter
Average HighHigher is warmer23°C (73°F)24°C (75°F)New York
Average LowHigher is milder15°C (59°F)16°C (61°F)New York
Rain DaysFewer is drier8 days9 daysBoston
PrecipitationLess is drier90 mm98 mmBoston
Sunshine HoursMore is sunnier9h/day9h/dayTie
HumidityLower is more comfortable65%65%Tie
UV IndexLower is safer66Tie
Wind SpeedCalmer is better18 km/h16 km/hNew York

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 New York sees 9 sunshine hours and 9 rain days.

Boston sits in the comfortable travel range at 23°C. New York is also comfortable at 24°C.

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

Temperature Comparison in September

Boston reaches an average high of 23°C (73°F) and drops to 15°C (59°F) at night during September. The daily temperature range is 8°C, meaning moderate variation throughout the day.

New York averages 24°C (75°F) for the high and 16°C (61°F) for the low, with a daily range of 8°C. The two cities feel quite similar in terms of temperature.

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

Rainfall Comparison in September

Boston receives approximately 90 mm of rainfall across 8 rain days during September. You can expect rain roughly every other day.

New York sees 98 mm over 9 rain days. That makes Boston the drier option by 1 rain day and 8 mm of total precipitation.

Both cities share similar humidity levels at 65%.

What to Pack: Boston vs New York

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

Packing for New York in September

Highs of 24°C, lows of 16°C, 9 rain days

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

Pack for both: light layers, a light jacket for evenings, sunscreen, a packable rain jacket, an umbrella. These items are useful in either destination during September.

Year-Round Comparison: Boston vs New York

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.

MonthBostonNew York
HighRainHighRain
Jan2°C10d4°C9d
Feb3°C9d5°C9d
Mar7°C11d9°C10d
Apr14°C11d15°C11d
May19°C11d21°C11d
Jun25°C10d26°C11d
Jul28°C10d29°C12d
Aug27°C9d28°C11d
Sep23°C8d24°C9d
Oct16°C10d18°C9d
Nov10°C10d12°C8d
Dec5°C11d6°C10d
23°

Boston Weather in September

Full forecast, packing tips, and activities

24°

New York Weather in September

Full forecast, packing tips, and activities

Frequently Asked Questions

Is Boston warmer than New York in September?
No. In September, New York is warmer with an average high of 24°C (75°F) compared to Boston at 23°C (73°F), a difference of 1°C.
Which city gets more rain in September, Boston or New York?
New York gets more rain in September with 9 rain days and 98 mm of precipitation. Boston is the drier option with 8 rain days.
Is it better to visit Boston or New York in September?
It depends on your preferences. Boston averages 23°C and 9 hours of daily sunshine with 8 rain days. New York averages 24°C with 9 sunshine hours and 9 rain days. If you prefer cooler conditions, choose New York. For drier weather, Boston is the better pick.
How far apart are Boston and New York?
Boston and New York are approximately 306 km (190 miles) apart. Boston is located in United States (North America) while New York is in United States (North America).
What is the best month to visit Boston and New York?
For Boston, July tends to be the best month with 12 hours of daily sunshine and a high of 28°C. For New York, July is typically ideal with 12 sunshine hours and 29°C highs.

Compare Boston and New York 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.

Boston coordinates: 42.36°N, -71.06°E | New York coordinates: 40.71°N, -74.01°E