Hermiston weather in September (Oregon, United States of America)
What kind of weather does September bring to Hermiston? Check out our in-depth weather guide for this month.
Temperatures
You’ll find the weather in Hermiston during September to be perfect, with high temperatures and low rainfall. You can expect daytime temperatures to reach around 27°C, while the nights will see a decline to about 10°C.
Precipitation
Hermiston in September usually receives low rainfall, averaging around 9.3 mm for the month. Historically, approximately 4 days this month are expected to have rain.So this is a great month to visit if you prefer dry days with pleasant temperatures. April, May, June, July, August, September and October typically offer the most optimal weather. In contrast, December tends to have less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized Hermiston climate page with graphs.
Hermiston, monthly averages in September
Min Temperature
10°C
Max Temperature
27°C
Chance of Rain
12%
Precipitation
9.3 mm
Rainy days
4 days
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.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in this month?
It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool.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 Hermiston.
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.
