Braintree Weather in September

September in Braintree averages 24°C (75°F) during the day and 13°C (55°F) at night. With just 77 mm (3 in) of rainfall on average, it doesn't get much drier than this.

Rainfall in Braintree in September

You can expect the least amount of rain of the year this month, making it perfect for outdoor events and activities. Historically, approximately 9 days this month are expected to have rain, averaging 77 mm (3 in). When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Braintree in September

Weather in Braintree is at its perfect in September. Highs reach 24°C (75°F), while nights settle around 13°C (55°F). Overall, the month follows a fairly predictable daily temperature pattern. Nights cool down to 13°C (55°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Braintree in September

Expect sunny days throughout the month, with an estimated 238 hours of sunshine. This makes it a pleasant time to visit Braintree.

Wind Speed in Braintree in September

Wind speeds average 5 m/s (10 knots) during September. At this speed, gentle to moderate breezes make small trees sway and the wind creates whitecaps on water bodies. Daily variations range from moderate winds to stronger breezes, creating excellent conditions for sailing, kite flying and wind sports.

Average water temperature in September

With water at 18°C (64°F), swimming is comfortable for most people. It feels refreshing rather than cold, though it depends a bit on personal preference.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, July, August and September typically offer the best weather for Braintree.

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
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• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Braintree's climate page.

Braintree Temperature in September

Min Temperature 13°C (55°F)  

Max Temperature 24°C (75°F)  

Water Temperature 18°C (64°F) *  

Chance of Rain 30%  

Precipitation 77 mm (3 in)  

Rainy days 9 days  

Humidity 69% *  

Windspeed 5 m/s (10 knots) *  

Sunshine 238 hours *  

Percentage Sunshine 63% *  

* Data from: Boston, the United States of America (16 KM, 10 Miles).

What to Wear in Braintree in September

Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. With water temperatures around 18°C (64°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Braintree in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

9/10

Walking

9/10

Barbeque

8/10

Camping

8/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Braintree's climate page.

More climate data for Braintree

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Braintree climate overview or explore weather in the United States of America.