San Francisco’s September 19 climate baseline lists a normal maximum temperature of 70 degrees.
September 19 climate baseline
September 19 climate baseline The National Weather Service lists the date’s normal maximum temperature as 70 degrees and the record as 93 degrees, set in 1919.
September 18 observation
San Francisco recorded 0.00 inches of precipitation on September 18.
Warmer afternoons return next week
The outlook turns sunnier Tuesday, near 70 degrees, followed by highs around 74 Wednesday and 76 Thursday. Temperatures may ease back to about 71 Friday. For outdoor plans, Saturday offers the strongest chance of sunshine, while Sunday and Monday favor layers and a jacket during cloudy or breezy periods.
