Ketchum weather in September (Idaho, United States of America)
What does the weather outlook for Ketchum look like in September? Want to know if it's a good time to visit? This page has all the weather details for the month.
Temperatures
During September, Ketchum experiences perfect weather, with pleasant temperatures and moderate rainfall. September marks the summer season. In the daytime, temperatures tend to hover near 21°C, cooling down at night to around 4°C.
Precipitation
Ketchum in September usually receives moderate rainfall, averaging around 31 mm for the month. Analyzing past climate data, one can expect approximately 6 days of rain.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 Ketchum climate page with graphs.
Ketchum, monthly averages in September
Min Temperature
4°C
Max Temperature
21°C
Chance of Rain
21%
Precipitation
31 mm
Rainy days
6 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?
For visitors traveling to Ketchum, 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 Ketchum.
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.
