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Dewey Beach weather in September (Delaware, United States of America)

Wondering what the weather is like in Dewey Beach during September? See what weather conditions to anticipate this month with our guide.

Temperatures

During September, Dewey Beach usually has high temperatures and high rainfall. During the day, temperatures can climb to about 26°C. At night, they may fall to a cooler 18°C.

Precipitation

Dewey Beach in September usually receives high rainfall, averaging around 106 mm for the month. Looking at the last 30 years, the data shows about 10 days with rain.

If you prefer dry days with pleasant temperatures, May typically offers the best circumstances. While January, February and December tend to showcase less optimal conditions.

Need inspiration to choose your next destination? Our innovative weather planner helps you discover the perfect getaway tailored to your ideal climate conditions.

Select a Month of Interest

Check the weather conditions for any month in Dewey Beach.

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

Dewey Beach, monthly averages in September

Min TemperatureMin Temperature 18°C  
Max TemperatureMax Temperature 26°C  
Chance of RainChance of Rain 33%  
PrecipitationPrecipitation 106 mm  
Rainy daysRainy days 10 days  

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.

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In September generally
pleasant weather
with high temperatures
and high monthly rainfall

More information

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).

Select a Month of Interest

Check the weather conditions for any month in Dewey Beach.

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

So, what should you wear in this month?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case.

What To Do

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

Cycling
7/10
Walking
7/10
Camping
6/10
Outdoor sports
7/10

Interested in more climate information?

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

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.