When to go
Boston in September
In September, Boston averages daytime highs of 24°C and night-time lows of 13°C, with about 92 mm of rain over the month. That makes September the 3rd warmest and the 10th wettest month of the year here. It is one of the most comfortable months to visit.
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- Average high
- 24°C
- Average low
- 13°C
- Rainfall
- 92 mm
- Humidity
- 74%
Climate
Boston weather through the year
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °C | 1 | 2 | 6 | 13 | 19 | 24 | 28 | 27 | 24 | 16 | 10 | 4 |
| Low °C | -8 | -7 | -3 | 2 | 8 | 14 | 17 | 17 | 13 | 7 | 1 | -4 |
| Rain mm | 80 | 86 | 110 | 106 | 95 | 113 | 94 | 93 | 92 | 123 | 98 | 116 |
Where to stay
Popular hotels in Boston
The Westin Copley Place, Boston
★★★★Hotels1.8 km from centre
8.5
Excellent
Sheraton Boston Hotel
★★★★Hotels2.5 km from centre
8.2
Very good
Boston Marriott Long Wharf
★★★★Hotelsunder 1 km from centre
8.7
Excellent
Boston Marriott Copley Place
★★★★Hotels2.1 km from centre
8.7
Excellent
Courtyard by Marriott Boston Logan Airport
★★★Hotels4.8 km from centre
7.8
Good
Wyndham Boston Beacon Hill
★★★★Hotelsunder 1 km from centre
7.4
Good
FAQ
Boston in September: questions
Is September a good time to visit Boston?
Yes — September is one of the most comfortable months in Boston. Expect highs around 24°C and 92 mm of rain (NASA climate averages, 2001–2020).
How hot is Boston in September?
The average daytime high in Boston in September is 24°C and the average low is 13°C.
Does it rain in Boston in September?
Boston gets about 92 mm of rain in September on average, making it the 10th wettest month. Average humidity is 74%.
How much are hotels in Boston in September?
Prices depend on dates and availability. Search Boston for September on book.maqami.co to see live prices; signed-in members save up to 10% versus the guest price.
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