South Dennis weather in September (United States of America)

Planning a trip to South Dennis in September? Check out this comprehensive weather guide.

In South Dennis the weather in September is generally perfect, with high temperatures and moderate rainfall. September falls within the summer season. Daytime temperatures hover around 22°C, while nights can cool down to about 14°C.

South Dennis in September usually receives moderate rainfall, averaging around 96 mm for the month. Based on our climate data of the past 30 years, about 8 days of rain are anticipated.

The city usually sees around 231 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. June, July, August and September generally stand out with the best circumstances. While January, February, March, November and December tend to showcase less optimal conditions.

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

 

South Dennis, monthly averages in September

Min Temperature 14°C  

Max Temperature 22°C  

Chance of Rain 27%  

Precipitation 96 mm  

Rainy days 8 days  

Sunshine 231 hours *  

Percentage Sunshine *  

* Data from: Nantucket, the United States of America (45 KM, 28 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

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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 South Dennis in September?

For visitors traveling to South Dennis, 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.

What To Do

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

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 South Dennis.

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.