Weather in San Francisco for 18 September
September 18, Friday
21° / 34°
partly cloudy
12 AM
22°
3 AM
22°
6 AM
21°
9 AM
27°
12 PM
34°
3 PM
33°
6 PM
29°
9 PM
27°
Pressure
742mmHg
Air Quality
—
Humidity
76%
Wind E
2m/s
Expect a mix of sun and clouds. No significant precipitation is expected. Air temperature is around 26.8°, with a range from 21.0° to 33.9°. UV index is very high (9), use strong sun protection.