World Resorts USA San Francisco Weather

San Francisco 14 Days Forecast

02.09
wed
Day
68°F
NE 14 mph
Precip.
23%
Night
57°F
NE 7 mph
Precip.
31%
03.09
thu
Day
64°F
NE 14 mph
Precip.
15%
Night
59°F
E 8 mph
Precip.
11%
04.09
fri
Day
63°F
E 9 mph
Precip.
4%
Night
59°F
E 7 mph
Precip.
12%
05.09
sat
Day
61°F
E 9 mph
Precip.
6%
Night
59°F
E 11 mph
Precip.
11%
06.09
sun
Day
61°F
E 12 mph
Precip.
8%
Night
59°F
E 14 mph
Precip.
17%
07.09
mon
Day
63°F
NE 6 mph
Precip.
8%
Night
57°F
E 9 mph
Precip.
18%
08.09
tue
Day
61°F
NE 14 mph
Precip.
17%
Night
59°F
E 18 mph
Precip.
19%
09.09
wed
Day
61°F
E 12 mph
Precip.
15%
Night
59°F
E 16 mph
Precip.
26%
10.09
thu
Day
61°F
E 6 mph
Precip.
18%
Night
59°F
E 14 mph
Precip.
21%
11.09
fri
Day
61°F
E 12 mph
Precip.
21%
Night
59°F
E 16 mph
Precip.
27%
12.09
sat
Day
63°F
NE 7 mph
Precip.
13%
Night
59°F
NE 11 mph
Precip.
27%
13.09
sun
Day
64°F
NE 5 mph
Precip.
13%
Night
61°F
NE 6 mph
Precip.
25%
14.09
mon
Day
66°F
NE 6 mph
Precip.
5%
Night
61°F
NE 7 mph
Precip.
12%
15.09
tue
Day
64°F
NE 9 mph
Precip.
7%
Night
61°F
E 7 mph
Precip.
13%

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 64.8°F. The highest and lowest sea temperatures during the month were 66.9°F and 62.2°F.

Air temperature in San Francisco, °F

Precipitation total in San Francisco, in.

* Charts above show average data for the last 3 years.

Best time for vacation in San Francisco

Sunniest months:
June 18 days
October 18 days
April 17 days
Warmest months:
August 65.7 °F
September 65.0 °F
October 64.2 °F
Warmest sea temp:
September 62.0 °F
August 61.9 °F
October 60.7 °F
Coldest months:
December 54.3 °F
January 54.7 °F
February 55.7 °F
Rainiest months:
March 4 days
December 4 days
January 4 days
Windiest months:
May 9.9 mph
June 9.6 mph
April 9.4 mph

San Francisco on a weather map

Current weather
22:45
San Francisco
+57°F
NE 7 mph
Feels like: +57°F
Precip.: 31%
Places in USA:
Name
°F
Boston
+64°F
Washington
+77°F
Hawaii
+77°F
Las Vegas
+77°F
Los Angeles
+64°F
Miami
+79°F
Maui
+63°F
Myrtle Beach
+77°F
New York
+70°F
San Diego
+64°F
San Francisco
+57°F
Santa Monica
+64°F
Sarasota
+77°F
Houston
+81°F
Chicago
+73°F
all places
24 Hours Forecast
San Francisco
Local time: 22:45
September 03, thursday
0000
57°F
NE
7 mph
0300
57°F
NE
6 mph
0600
61°F
N
6 mph
0900
63°F
N
7 mph
1200
64°F
NE
14 mph
1500
64°F
NE
16 mph
1800
63°F
E
9 mph
2100
61°F
E
9 mph
Units of measurement: °C / °F