Wilsonville weather in September (Oregon, United States of America)
What can you expect from the weather in Wilsonville during September? This guide provides all the details you need.
In Wilsonville the weather in September is generally perfect, characterized by high temperatures and moderate rainfall. September falls within the summer season. Throughout the day, temperatures typically settle at around 25°C. But by evening, they drop to around 11°C.
Wilsonville in September usually receives moderate rainfall, averaging around 40 mm for the month. Delving into the climate records from the past 30 years, one can predict that nearly 8 days of the month will see rainfall.
The days are predominantly sunny, with an estimated total of around 236 hours of sunshine. This amount of sunlight does not only brightens the days but also contributes to a cheerful ambiance in the area during this month.
If you favor pleasant temperatures and minimal rainfall, September is one of the better months to visit Wilsonville. May, June, July, August and September typically offer the most agreeable circumstances. On the other hand, January, 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 Wilsonville climate page with graphs.
Wilsonville, monthly averages in September
Min Temperature
11°C
Max Temperature
25°C
Chance of Rain
27%
Precipitation
40 mm
Rainy days
8 days
Humidity
69% *
Sunshine
236 hours *
Percentage Sunshine
*
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 Wilsonville in September?
For visitors traveling to Wilsonville, 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 Wilsonville.
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.
