16.09
wed
wed
Day
86°F
N 7 mph
Precip.
37%
37%
Night
77°F
S 3 mph
Precip.
26%
26%
17.09
thu
thu
Day
90°F
NE 5 mph
Precip.
2%
2%
Night
77°F
SW 4 mph
Precip.
19%
19%
18.09
fri
fri
Day
88°F
NE 9 mph
Precip.
4%
4%
Night
77°F
S 3 mph
Precip.
11%
11%
19.09
sat
sat
Day
88°F
N 9 mph
Precip.
13%
13%
Night
79°F
SW 2 mph
Precip.
25%
25%
20.09
sun
sun
Day
86°F
N 9 mph
Precip.
55%
55%
Night
77°F
W 1 mph
Precip.
75%
75%
21.09
mon
mon
Day
84°F
N 9 mph
Precip.
36%
36%
Night
77°F
NE 2 mph
Precip.
27%
27%
22.09
tue
tue
Day
77°F
N 6 mph
Precip.
41%
41%
Night
75°F
NW 3 mph
Precip.
29%
29%
23.09
wed
wed
Day
81°F
E 2 mph
Precip.
18%
18%
Night
75°F
S 1 mph
Precip.
37%
37%
24.09
thu
thu
Day
84°F
N 11 mph
Precip.
23%
23%
Night
77°F
W 4 mph
Precip.
50%
50%
25.09
fri
fri
Day
73°F
N 6 mph
Precip.
89%
89%
Night
72°F
SW 2 mph
Precip.
77%
77%
26.09
sat
sat
Day
81°F
W 1 mph
Precip.
16%
16%
Night
75°F
W 4 mph
Precip.
20%
20%
27.09
sun
sun
Day
84°F
N 6 mph
Precip.
15%
15%
Night
77°F
SW 2 mph
Precip.
25%
25%
28.09
mon
mon
Day
84°F
E 7 mph
Precip.
18%
18%
Night
75°F
S 3 mph
Precip.
46%
46%
29.09
tue
tue
Day
81°F
NE 3 mph
Precip.
65%
65%
Night
77°F
W 2 mph
Precip.
43%
43%
sea water
temperature
temperature
| El Roble |
monthly
weather
weather
| El Roble |
current
weather
weather
| El Roble |
7 days
forecast
forecast
| El Roble |
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 86.2°F. The highest and lowest sea temperatures during the month were 86.5°F and 85.8°F.
Air temperature in El Roble, °F
Precipitation total in El Roble, in.
* Charts above show average data for the last 3 years.
Best time for vacation in El Roble
El Roble on a weather map
Places in Costa Rica:
Name
°F
24 Hours Forecast
El Roble
Local time: 07:30
September 16, wednesday
0900
86°F
NE
4 mph
4 mph
1200
86°F
N
7 mph
7 mph
1500
81°F
NW
8 mph
8 mph
1800
77°F
NW
5 mph
5 mph
2100
79°F
S
0 mph
0 mph
September 17, thursday
0000
77°F
S
3 mph
3 mph
0300
77°F
SE
4 mph
4 mph
0600
77°F
SW
2 mph
2 mph
