Measurements:
°C
°F
CURRENT WEATHER
04:53
San Diego
80°F
W 4 mph
Feels like: 86°F
Precip: 56%
World Resorts Nicaragua San Diego Weather

7 Day Weather Forecast

09.23
wed
DAY
86°F
N 3 mph
precip
24%
NIGHT
80°F
W 3 mph
precip
44%
09.24
thu
DAY
88°F
NE 9 mph
precip
32%
NIGHT
80°F
W 6 mph
precip
64%
09.25
fri
DAY
94°F
NW 11 mph
precip
20%
NIGHT
82°F
W 9 mph
precip
36%
09.26
sat
DAY
90°F
NW 9 mph
precip
57%
NIGHT
80°F
W 5 mph
precip
71%
09.27
sun
DAY
82°F
NW 0 mph
precip
24%
NIGHT
80°F
SE 6 mph
precip
68%
09.28
mon
DAY
80°F
S 6 mph
precip
57%
NIGHT
80°F
SW 3 mph
precip
20%
09.29
tue
DAY
86°F
NE 8 mph
precip
23%
NIGHT
80°F
W 6 mph
precip
31%

San Diego Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for San Diego was 29.7°F. The maximum and minimum values were 29.2°F and 30.4°F respectively.

San Diego on the Weather Map

Best Time to Visit San Diego
The most sunny months:
March 29 days
January 28 days
February 27 days
The most warm months:
April 97.8 °F
March 97.3 °F
May 95.6 °F
Warmest sea temperature:
September 88.9 °F
October 88.6 °F
May 88.6 °F
The most cold months:
October 86.9 °F
November 87.3 °F
September 89.3 °F
The most rainy months:
October 11 days
June 11 days
September 10 days
The most windy months:
February 13 mph
January 12 mph
March 12 mph
more details