Clackamas weather in September (Oregon, United States of America)

What can you expect from the weather in Clackamas during September? Wondering if it's the right time to visit? Browse this page for a comprehensive overview of the weather conditions for that month.

In Clackamas the weather in September is generally perfect, with high temperatures and moderate rainfall. September falls within the summer season. Daytime temperatures hover around 25°C, while nights can cool down to about 11°C.

Clackamas in September usually receives moderate rainfall, averaging around 43 mm for the month. When we look at the climate data from the last 30 years, we can expect around 8 days of rain.

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.

So this is a great month to visit if you prefer dry days with pleasant temperatures. May, June, July, August and September typically offer the most optimal weather. In contrast, January, March, November and December tend to have less optimal conditions.

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

 

Clackamas, monthly averages in September

Min Temperature 11°C  

Max Temperature 25°C  

Chance of Rain 28%  

Precipitation 43 mm  

Rainy days 8 days  

Humidity 69% *  

Windspeed 7 km/h *  

Sunshine 236 hours *  

Percentage Sunshine *  

* Data from: Portland, the United States of America (21 KM, 13 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 Clackamas in September?

For visitors traveling to Clackamas, 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.

Swimming

10/10

Cycling

10/10

Walking

10/10

Barbeque

9/10

Camping

10/10

Outdoor sports

10/10

Interested in more climate information?

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

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.