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

What can you expect from the weather in Weymouth during September? Check out this comprehensive weather guide.

In Weymouth the weather in September is generally perfect, characterized by high temperatures and moderate rainfall. Throughout the daytime, temperatures often hover around 24°C. However, as the sun sets and evening approaches, there's a noticeable cool-down, with temperatures gently dropping to a more temperate 13°C.

Weymouth in September usually receives moderate rainfall, averaging around 81 mm for the month. It's the month with the least rainfall. Whether you're keen on hiking, outdoor festivals, or just enjoying a walk in the park, this month provides a reliably dry backdrop for all your plans. Rain is expected on roughly 8 days.

With around 238 hours of sunshine, the days are mostly sunny. It gives a pleasant and vibrant feel to the area.

If you favor pleasant temperatures and minimal rainfall, September is one of the better months to visit Weymouth. May, July, August and September typically offer the most agreeable circumstances. On the other hand, January, February, March, November and December tend to be characterized by conditions that may not be as optimal.

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

 

Weymouth, monthly averages in September

Min Temperature 13°C  

Max Temperature 24°C  

Water Temperature 18°C *  

Chance of Rain 27%  

Precipitation 81 mm  

Rainy days 8 days  

Humidity 69% *  

Windspeed 18 km/h *  

Sunshine 238 hours *  

Percentage Sunshine 63% *  

* Data from: Boston, the United States of America (17 KM, 11 Miles).

Where to go in the United States of America in September

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

Weather conditions Weather

Temperatures

Precipitation

Map not visible? Whoops sorry! Please refresh the page.

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 Weymouth in September?

For visitors traveling to Weymouth, 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 in September.

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 Weymouth.

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 climate conditions. Find out where to go with our weather planner.