Yellowstone Weather in September: What to Expect

(Many of the links in this article redirect to a specific reviewed product. Your purchase of these products through affiliate links helps to generate commission for Temperatures.com, at no extra cost. Learn more)

I've always found September in Yellowstone National Park to be a magical time. Leaves start to change, painting landscapes in vibrant hues of gold, orange, and red. Weather during this month can be quite unpredictable, though. Mornings often greet you with a crisp chill, temperatures hovering around 30°F (-1°C). By afternoon, you might be peeling off layers as temperatures can climb to a comfortable 60°F (15°C).

Rainfall isn't a stranger in September, but those showers tend to be short-lived, quickly replaced by clear skies. What truly sets this month apart, however, is the chance of early snow. Yes, snow! It's not uncommon for higher elevations to receive a light dusting, adding a magical touch to the already stunning scenery.

For anyone planning a visit, packing is key. Layers are your best friend, allowing for easy adjustments to the day's changing conditions. And don't forget a waterproof jacket; those sudden showers won't catch you off guard.

In essence, September brings a blend of summer's warmth and winter's first whisper, making Yellowstone a breathtaking place to explore.