DuPont weather in September (Washington State, United States of America)
Looking to travel to DuPont in September? Check out this comprehensive weather guide.
In DuPont, September is characterized by pleasant temperatures and moderate rainfall. September falls within the summer season. Daytime temperatures hover around 22°C, while nights can cool down to about 9°C.
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, we can expect around 10 days of rain.
The city usually sees around 209 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 DuPont climate page with graphs.
DuPont, monthly averages in September
Min Temperature
9°C
Max Temperature
22°C
Chance of Rain
33%
Precipitation
55 mm
Rainy days
10 days
Sunshine
209 hours *
Percentage Sunshine
55% *
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.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in DuPont in September?
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 in September.
Interested in more climate information?
Weather and Climate 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 climate conditions. Find out where to go with our weather planner.
