Brookline weather in September (Massachusetts, United States of America)

What should you pack for a trip to Brookline in September? Curious if the timing is right for your trip? Our page offers an in-depth look at the monthly weather conditions.

Temperatures

During September, Brookline is known for its perfect weather, characterized by high temperatures and moderate rainfall. Anticipate daytime temperatures around 24°C, while night temperatures can drop to 13°C.

Precipitation

Brookline in September usually receives moderate rainfall, averaging around 80 mm for the month. With virtually no rain, this driest month of the year is perfect for exploring the outdoors. Based on our climate data of the past 30 years, about 9 days of rain are anticipated.

Average sunshine

The city usually sees around 238 hours of sunlight, indicating many sunny days.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit. May, July, August and September generally stand out with the best circumstances. While January, February, March and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Brookline climate page with graphs.

 

Brookline, monthly averages in September

Min Temperature 13°C  

Max Temperature 24°C  

Water Temperature 18°C *  

Chance of Rain 30%  

Precipitation 80 mm  

Rainy days 9 days  

Humidity 69% *  

Windspeed 18 km/h *  

Sunshine 238 hours *  

Percentage Sunshine 63% *  

* Data from: Boston, the United States of America (8 KM, 5 Miles).

Where to go in the United States of America in September

Find out more about the weather in the United States of America and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

For visitors traveling to Brookline, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes. With a water temperature of around 18°C there is no need to bring your swimwear.

What To Do

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

Interested in more climate information?

This site provides you with all the information you need about the climate in Brookline.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.