Measurements:
°C
°F
Port of San Jose
88°F
N 5 mph
Feels like: 96°F
Precip: 66%
World Resorts Guatemala Port of San Jose Weather

7 Day Weather Forecast

09.28
mon
DAY
88°F
N 4 mph
precip
19%
NIGHT
80°F
SE 6 mph
precip
27%
09.29
tue
DAY
92°F
E 6 mph
precip
15%
NIGHT
78°F
SE 6 mph
precip
31%
09.30
wed
DAY
92°F
E 9 mph
precip
4%
NIGHT
78°F
SE 5 mph
precip
30%
10.01
thu
DAY
88°F
N 8 mph
precip
32%
NIGHT
76°F
SE 3 mph
precip
31%
10.02
fri
DAY
88°F
NE 6 mph
precip
28%
NIGHT
80°F
W 5 mph
precip
53%
10.03
sat
DAY
86°F
NW 9 mph
precip
69%
NIGHT
80°F
W 5 mph
precip
27%
10.04
sun
DAY
90°F
NW 7 mph
precip
15%
NIGHT
80°F
S 4 mph
precip
32%

Port of San Jose Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Port of San Jose was 30.8°F. The maximum and minimum values were 29.8°F and 31.2°F respectively.

Port of San Jose on the Weather Map

Best Time to Visit Port of San Jose
The most sunny months:
January 26 days
February 25 days
December 25 days
The most warm months:
April 92.4 °F
March 91.9 °F
May 91.8 °F
Warmest sea temperature:
August 90.7 °F
May 90.7 °F
September 90.2 °F
The most cold months:
November 86.8 °F
October 87.1 °F
December 87.7 °F
The most rainy months:
June 10 days
September 7 days
August 6 days
The most windy months:
March 7 mph
April 6 mph
February 6 mph