San Diego vs Yosemite National Park in September

San Diego and Yosemite National Park are nearly tied in September — 91 vs 93 on SeasonMap's comfort score. San Diego is warm, dry, muggy air; Yosemite National Park is nice, dry, clean air.

San Diego vs Yosemite National Park — September climate, side by side

🇺🇸 San Diego🇺🇸 Yosemite National Park
Comfort score91/100 (S)93/100 (S)
Feels-like high27°C16°C
Avg high / low26° / 19°19° / 6°
Rainfall6 mm28 mm
Rainy days15
Humidity77%49%
Air quality (AQI)5342

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

Month by month

San Diego vs Yosemite National Park in September — FAQ

Is September better in San Diego or Yosemite National Park?
San Diego and Yosemite National Park are nearly tied in September — 91 vs 93 on SeasonMap's comfort score. San Diego is warm, dry, muggy air; Yosemite National Park is nice, dry, clean air.
What is the weather like in San Diego vs Yosemite National Park in September?
In September, San Diego averages 26°C high / 19°C low with about 6 mm of rain; Yosemite National Park averages 19°C high / 6°C low with about 28 mm.