Yellowstone National Park in September

Here’s everything you need to know for planning a trip to Yellowstone National Park in September.

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Yellowstone Weather in September

The average temperatures in September at Yellowstone are highs in the upper 60s and lows in the upper 30s degrees Fahrenheit.

We suggest you plan at least 4-5 days to really experience Yellowstone. This way you are not rushed and you can be a little more patient with the crowds of people knowing you have time to see everything.

Yellowstone Waterfalls in September

Most of the Yellowstone waterfalls don’t require hiking to see them. In September the water flow is lower than other times of year.

Hot Springs and Geysers in September

Any time of year is a good time to see the hydrothermal features in Yellowstone: geysers, hot springs, mudpots, travertine terraces and fumaroles.

Yellowstone Wildlife in September

Around the second week of September, you’ll begin to hear the high pitched bugle of bull elk signaling the elk rut! The town of Mammoth is a terrific place to see elk!

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