World Resorts USA San Francisco Weather

San Francisco 7 Days Forecast

01.09
tue
Day
64°F
NE 9 mph
Precip.
38%
Night
61°F
NE 7 mph
Precip.
13%
02.09
wed
Day
64°F
NE 9 mph
Precip.
14%
Night
61°F
NE 7 mph
Precip.
27%
03.09
thu
Day
61°F
N 13 mph
Precip.
52%
Night
59°F
E 5 mph
Precip.
14%
04.09
fri
Day
61°F
E 4 mph
Precip.
7%
Night
57°F
E 6 mph
Precip.
11%
05.09
sat
Day
61°F
E 11 mph
Precip.
8%
Night
57°F
NE 8 mph
Precip.
16%
06.09
sun
Day
61°F
E 9 mph
Precip.
7%
Night
57°F
E 11 mph
Precip.
8%
07.09
mon
Day
61°F
E 11 mph
Precip.
5%
Night
59°F
N 2 mph
Precip.
11%

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
14:48
San Francisco
+64°F
NE 11 mph
Feels like: +64°F
Precip.: 4%
Places in USA:
Name
°F
Boston
+63°F
Washington
+100°F
Hawaii
+79°F
Las Vegas
+86°F
Los Angeles
+81°F
Miami
+86°F
Maui
+68°F
Myrtle Beach
+86°F
New York
+77°F
San Diego
+73°F
San Francisco
+68°F
Santa Monica
+73°F
Sarasota
+86°F
Houston
+91°F
Chicago
+82°F
all places
24 Hours Forecast
San Francisco
Local time: 14:48
September 01, tuesday
1500
68°F
NE
11 mph
1800
66°F
NE
12 mph
2100
61°F
NE
9 mph
September 02, wednesday
0000
61°F
NE
7 mph
0300
59°F
N
7 mph
0600
59°F
NW
6 mph
0900
61°F
N
6 mph
1200
64°F
NE
9 mph
Units of measurement: °C / °F