What is the weather like in Pinnacles National Park vs San Diego in September?

In September, Pinnacles National Park averages 31°C high / 11°C low with about 3 mm of rain; San Diego averages 26°C high / 19°C low with about 6 mm.

Pinnacles National Park vs San Diego in September

San Diego is the better pick in September — 91 vs 75 on SeasonMap's comfort score. San Diego is warm, dry, muggy air, while Pinnacles National Park is hot, dry, clean air.

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

	🇺🇸 Pinnacles National Park	🇺🇸 San Diego
Comfort score	75/100 (B)	91/100 (S)
Feels-like high	31°C	27°C
Avg high / low	31° / 11°	26° / 19°
Rainfall	3 mm	6 mm
Rainy days	1	1
Humidity	55%	77%
Air quality (AQI)	35	53

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

Month by month

Pinnacles National Park vs San Diego in September — FAQ

Is September better in Pinnacles National Park or San Diego?: San Diego is the better pick in September — 91 vs 75 on SeasonMap's comfort score. San Diego is warm, dry, muggy air, while Pinnacles National Park is hot, dry, clean air.
What is the weather like in Pinnacles National Park vs San Diego in September?: In September, Pinnacles National Park averages 31°C high / 11°C low with about 3 mm of rain; San Diego averages 26°C high / 19°C low with about 6 mm.