24.09
thu
thu
Day
82°F
W 9 mph
Precip.
9%
9%
Night
81°F
W 15 mph
Precip.
51%
51%
25.09
fri
fri
Day
82°F
W 9 mph
Precip.
38%
38%
Night
79°F
NW 7 mph
Precip.
73%
73%
26.09
sat
sat
Day
82°F
W 6 mph
Precip.
42%
42%
Night
77°F
NE 2 mph
Precip.
76%
76%
27.09
sun
sun
Day
81°F
NE 12 mph
Precip.
36%
36%
Night
77°F
NE 7 mph
Precip.
61%
61%
28.09
mon
mon
Day
81°F
W 8 mph
Precip.
17%
17%
Night
81°F
NW 6 mph
Precip.
28%
28%
29.09
tue
tue
Day
81°F
W 6 mph
Precip.
68%
68%
Night
79°F
E 8 mph
Precip.
28%
28%
30.09
wed
wed
Day
84°F
NE 11 mph
Precip.
13%
13%
Night
79°F
NE 11 mph
Precip.
75%
75%
01.10
thu
thu
Day
84°F
NE 12 mph
Precip.
46%
46%
Night
79°F
NE 9 mph
Precip.
25%
25%
02.10
fri
fri
Day
84°F
N 0 mph
Precip.
26%
26%
Night
79°F
NE 6 mph
Precip.
27%
27%
03.10
sat
sat
Day
82°F
W 7 mph
Precip.
22%
22%
Night
81°F
W 12 mph
Precip.
21%
21%
04.10
sun
sun
Day
82°F
W 11 mph
Precip.
19%
19%
Night
81°F
SW 14 mph
Precip.
60%
60%
05.10
mon
mon
Day
82°F
W 15 mph
Precip.
29%
29%
Night
79°F
W 14 mph
Precip.
37%
37%
06.10
tue
tue
Day
82°F
W 14 mph
Precip.
14%
14%
Night
79°F
W 12 mph
Precip.
70%
70%
07.10
wed
wed
Day
81°F
W 12 mph
Precip.
23%
23%
Night
79°F
NW 7 mph
Precip.
71%
71%
sea water
temperature
temperature
| San Juan del Sur |
monthly
weather
weather
| San Juan del Sur |
current
weather
weather
| San Juan del Sur |
7 days
forecast
forecast
| San Juan del Sur |
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 84.3°F. The highest and lowest sea temperatures during the month were 85.1°F and 82.9°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 84.3°F. The highest and lowest sea temperatures during the month were 85.1°F and 83.7°F.
Air temperature in San Juan del Sur, °F
Precipitation total in San Juan del Sur, in.
* Charts above show average data for the last 3 years.
Best time for vacation in San Juan del Sur
San Juan del Sur on a weather map
Places in Nicaragua:
Name
°F
24 Hours Forecast
San Juan del Sur
Local time: 16:11
September 24, thursday
1800
82°F
W
15 mph
15 mph
2100
82°F
W
17 mph
17 mph
September 25, friday
0000
81°F
W
15 mph
15 mph
0300
81°F
W
15 mph
15 mph
0600
81°F
W
14 mph
14 mph
0900
81°F
W
13 mph
13 mph
1200
82°F
W
9 mph
9 mph
1500
82°F
NW
7 mph
7 mph
