Sisters weather in September (Oregon, United States of America)
Thinking of visiting Sisters in September? Check the weather first! Curious if the timing is right for your trip? Our page offers an in-depth look at the monthly weather conditions.
Temperatures
The weather in Sisters during September is typically perfect, with high temperatures and low rainfall. The summer season takes place during September. Expect the temperatures during the day to hover around 25°C. At night, they will likely drop to about 3°C.
Precipitation
Sisters in September usually receives low rainfall, averaging around 10 mm for the month. Expect around 3 days of rain based on historical data.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, February, November and December tend to have less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized Sisters climate page with graphs.
Sisters, 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 Sisters, 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.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 Sisters.
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.