Measurements:
°C
°F
CURRENT WEATHER
18:15
San Jose
80°F
NW 13 mph
Feels like: 82°F
Precip: 5%
World Resorts Spain San Jose Weather

7 Day Weather Forecast

09.11
fri
DAY
78°F
W 12 mph
precip
6%
NIGHT
78°F
W 12 mph
precip
6%
09.12
sat
DAY
80°F
W 19 mph
precip
3%
NIGHT
78°F
W 19 mph
precip
5%
09.13
sun
DAY
80°F
W 17 mph
precip
3%
NIGHT
78°F
W 11 mph
precip
6%
09.14
mon
DAY
78°F
NW 6 mph
precip
4%
NIGHT
78°F
NE 1 mph
precip
6%
09.15
tue
DAY
76°F
NE 6 mph
precip
7%
NIGHT
78°F
NE 8 mph
precip
6%
09.16
wed
DAY
76°F
N 4 mph
precip
6%
NIGHT
76°F
NW 3 mph
precip
5%
09.17
thu
DAY
80°F
W 17 mph
precip
17%
NIGHT
78°F
SW 16 mph
precip
11%

San Jose Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for San Jose was 25.1°F. The maximum and minimum values were 23.9°F and 26.6°F respectively.

San Jose on the Weather Map

Best Time to Visit San Jose
The most sunny months:
July 30 days
August 29 days
June 28 days
The most warm months:
August 92.1 °F
July 91.8 °F
September 85.8 °F
Warmest sea temperature:
August 81.6 °F
September 79.0 °F
July 78.7 °F
The most cold months:
January 61.3 °F
February 62.6 °F
December 63.7 °F
The most rainy months:
January 1 day
November 1 day
February 1 day
The most windy months:
March 9 mph
April 9 mph
February 9 mph
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