Lewiston
FallGood time to go ~87°F highs
Things to do in Lewiston in September
September is a good month to visit Lewiston, with average highs around 87°F. Crisp air and changing leaves make parks and viewpoints shine.
Best picks for September
What's famous here, weighted toward what shines in September.
Holidays in September 2027
- Labour Day · Mon, Sep 6
Expect busier roads and pricier stays around these dates. See long weekends.
Also great in September in Idaho
Lewiston in September: quick answers
Is September a good time to visit Lewiston?
September is a good month to visit Lewiston, with average highs around 87°F. Crisp air and changing leaves make parks and viewpoints shine.
What is the weather like in Lewiston in September?
Average daytime highs are around 87°F, compared with 93°F in the warmest month. Check the forecast a week out; our planner favors indoor stops on rainy days.
What are the best things to do in Lewiston in September?
Top picks for September: Clearwater National Forest, Nez Perce National Forest, Hells Canyon National Recreation Area, Paradise Point, Hells Canyon Wilderness.
