11.09
fri
fri
Day
75°F
W 12 mph
Precip.
6%
6%
Night
75°F
W 12 mph
Precip.
6%
6%
12.09
sat
sat
Day
77°F
W 19 mph
Precip.
3%
3%
Night
75°F
W 19 mph
Precip.
5%
5%
13.09
sun
sun
Day
77°F
W 17 mph
Precip.
3%
3%
Night
75°F
W 11 mph
Precip.
6%
6%
14.09
mon
mon
Day
75°F
NW 6 mph
Precip.
4%
4%
Night
75°F
NE 1 mph
Precip.
6%
6%
15.09
tue
tue
Day
73°F
NE 6 mph
Precip.
7%
7%
Night
75°F
NE 8 mph
Precip.
6%
6%
16.09
wed
wed
Day
73°F
N 4 mph
Precip.
6%
6%
Night
73°F
NW 3 mph
Precip.
5%
5%
17.09
thu
thu
Day
77°F
W 17 mph
Precip.
17%
17%
Night
75°F
SW 16 mph
Precip.
11%
11%
sea water
temperature
temperature
| San Jose |
monthly
weather
weather
| San Jose |
current
weather
weather
| San Jose |
14 days
forecast
forecast
| San Jose |
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 77.3°F. The highest and lowest sea temperatures during the month were 79.9°F and 75.0°F.
Air temperature in San Jose, °F
Precipitation total in San Jose, in.
* Charts above show average data for the last 3 years.
Best time for vacation in San Jose
San Jose on a weather map
Places in Spain:
Name
°F
24 Hours Forecast
San Jose
Local time: 22:56
September 12, saturday
0000
75°F
W
12 mph
12 mph
0300
75°F
W
11 mph
11 mph
0600
73°F
W
12 mph
12 mph
0900
73°F
SW
15 mph
15 mph
1200
77°F
W
19 mph
19 mph
1500
79°F
W
22 mph
22 mph
1800
79°F
W
23 mph
23 mph
2100
77°F
W
23 mph
23 mph
