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

How is September weather typically in Somerville? Find out what kind of weather to expect during this month.

Temperatures

The weather in Somerville is usually perfect in September, featuring high temperatures and moderate rainfall. During the day, temperatures usually reach up to 24°C. At night, they tend to fall to approximately 13°C.

Precipitation

Somerville in September usually receives moderate rainfall, averaging around 81 mm for the month. Enjoy the driest month, where the risk of rain is low. It's a great time for outdoor events and activities without the threat of wet weather. Climate statistics over the past 30 years suggest around 9 days of rain.

Average sunshine

Enjoy a sunny month with about 238 hours of sunshine, providing a cheerful and lively atmosphere.

So this is a great month to visit if you prefer dry days with pleasant temperatures. May, August and September typically offer the most optimal weather. In contrast, January, February, March and December tend to have less optimal conditions.

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

 

Somerville, monthly averages in September

Min Temperature 13°C  

Max Temperature 24°C  

Water Temperature 18°C *  

Chance of Rain 30%  

Precipitation 81 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 (5 KM, 3 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 Somerville, 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 Somerville.

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.