What is the weather like in Napa vs Sacramento in September?

In September, Napa averages 30°C high / 13°C low with about 5 mm of rain; Sacramento averages 32°C high / 16°C low with about 3 mm.

Napa vs Sacramento in September

Napa and Sacramento are nearly tied in September — 88 vs 87 on SeasonMap's comfort score. Napa is hot, dry, clean air; Sacramento is hot, dry, clean air.

Napa vs Sacramento — September climate, side by side

	🇺🇸 Napa	🇺🇸 Sacramento
Comfort score	88/100 (A)	87/100 (A)
Feels-like high	30°C	32°C
Avg high / low	30° / 13°	32° / 16°
Rainfall	5 mm	3 mm
Rainy days	1	1
Humidity	59%	48%
Air quality (AQI)	34	39

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

Month by month

Napa 🇺🇸 United Stateshot, dry, clean air · best May88
Sacramento 🇺🇸 United Stateshot, dry, clean air · best April87

Napa vs Sacramento in September — FAQ

Is September better in Napa or Sacramento?: Napa and Sacramento are nearly tied in September — 88 vs 87 on SeasonMap's comfort score. Napa is hot, dry, clean air; Sacramento is hot, dry, clean air.
What is the weather like in Napa vs Sacramento in September?: In September, Napa averages 30°C high / 13°C low with about 5 mm of rain; Sacramento averages 32°C high / 16°C low with about 3 mm.