Grand Teton National Park vs Yosemite National Park in September

Yosemite National Park is the better pick in September — 93 vs 89 on SeasonMap's comfort score. Yosemite National Park is nice, dry, clean air, while Grand Teton National Park is nice, a little rain, clean air.

Grand Teton National Park vs Yosemite National ParkSeptember climate, side by side

Grand Teton National ParkYosemite National Park
Comfort score89/100 (A)93/100 (S)
Feels-like high17°C16°C
Avg high / low19° / 1°19° / 6°
Rainfall58 mm28 mm
Rainy days75
Humidity61%49%
Air quality (AQI)4042

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

Grand Teton National Park vs Yosemite National Park in September — FAQ

Is September better in Grand Teton National Park or Yosemite National Park?
Yosemite National Park is the better pick in September — 93 vs 89 on SeasonMap's comfort score. Yosemite National Park is nice, dry, clean air, while Grand Teton National Park is nice, a little rain, clean air.
What is the weather like in Grand Teton National Park vs Yosemite National Park in September?
In September, Grand Teton National Park averages 19°C high / 1°C low with about 58 mm of rain; Yosemite National Park averages 19°C high / 6°C low with about 28 mm.