DuPont weather in September (Washington State, United States of America)
What does the weather outlook for DuPont look like in September? Want to know if it's a good time to visit? This page has all the weather details for the month.
Temperatures
The weather in DuPont is usually perfect in September, featuring pleasant temperatures and moderate rainfall. September is known for being in the summer season. During the day, temperatures can climb to about 22°C. At night, they may fall to a cooler 9°C.
Precipitation
DuPont in September usually receives moderate rainfall, averaging around 55 mm for the month. When we look at the climate data from the last 30 years, you can expect around 10 days of rain.Average sunshine
There are approximately 209 hours of sunshine this month, meaning plenty of sunny days and a vibrant atmosphere.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.
Need inspiration to choose your next destination? Our innovative weather planner helps you discover the perfect getaway tailored to your ideal climate conditions.
DuPont, monthly averages in September
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.
So, what should you wear in this month?
For visitors traveling to DuPont, 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.
Interested in more climate information?
This site provides you with all the information you need about the climate in DuPont.
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.