What is the weather like in Jackson vs Yellowstone National Park in September?

In September, Jackson averages 21°C high / 3°C low with about 41 mm of rain; Yellowstone National Park averages 17°C high / 1°C low with about 59 mm.

Jackson vs Yellowstone National Park in September

Yellowstone National Park is the better pick in September — 84 vs 20 on SeasonMap's comfort score. Yellowstone National Park is cool, a little rain, clean air, while Jackson is nice, a little rain, clean air.

Jackson vs Yellowstone National Park — September climate, side by side

	🇺🇸 Jackson	🇺🇸 Yellowstone National Park
Comfort score	20/100 (F)	84/100 (A)
Feels-like high	18°C	14°C
Avg high / low	21° / 3°	17° / 1°
Rainfall	41 mm	59 mm
Rainy days	7	11
Humidity	57%	59%
Air quality (AQI)	40	43

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Month by month

Jackson 🇺🇸 United Statesnice, a little rain, clean air · best February20
Yellowstone National Park 🇺🇸 United Statescool, a little rain, clean air · best August84

Jackson vs Yellowstone National Park in September — FAQ

Is September better in Jackson or Yellowstone National Park?: Yellowstone National Park is the better pick in September — 84 vs 20 on SeasonMap's comfort score. Yellowstone National Park is cool, a little rain, clean air, while Jackson is nice, a little rain, clean air.
What is the weather like in Jackson vs Yellowstone National Park in September?: In September, Jackson averages 21°C high / 3°C low with about 41 mm of rain; Yellowstone National Park averages 17°C high / 1°C low with about 59 mm.