Measurements:
°C
°F
CURRENT WEATHER
04:54
San Juan del Sur
82°F
NW 2 mph
Feels like: 88°F
Precip: 28%
World Resorts Nicaragua San Juan del Sur Weather

7 Day Weather Forecast

09.23
wed
DAY
86°F
W 5 mph
precip
21%
NIGHT
82°F
N 4 mph
precip
60%
09.24
thu
DAY
86°F
W 9 mph
precip
23%
NIGHT
84°F
W 13 mph
precip
54%
09.25
fri
DAY
86°F
W 11 mph
precip
10%
NIGHT
84°F
W 9 mph
precip
71%
09.26
sat
DAY
84°F
W 7 mph
precip
10%
NIGHT
80°F
W 14 mph
precip
76%
09.27
sun
DAY
82°F
SW 11 mph
precip
25%
NIGHT
82°F
W 6 mph
precip
65%
09.28
mon
DAY
80°F
S 5 mph
precip
38%
NIGHT
82°F
SW 11 mph
precip
29%
09.29
tue
DAY
84°F
SW 8 mph
precip
20%
NIGHT
82°F
W 13 mph
precip
54%

San Juan del Sur Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for San Juan del Sur was 29.0°F. The maximum and minimum values were 28.3°F and 29.4°F respectively.

San Juan del Sur on the Weather Map

Best Time to Visit San Juan del Sur
The most sunny months:
February 14 days
March 13 days
April 10 days
The most warm months:
April 93.0 °F
May 92.0 °F
March 91.3 °F
Warmest sea temperature:
September 88.1 °F
October 87.9 °F
June 87.8 °F
The most cold months:
November 84.8 °F
December 85.7 °F
October 86.2 °F
The most rainy months:
June 11 days
October 9 days
September 8 days
The most windy months:
February 19 mph
January 19 mph
March 17 mph
more details