09.08
tue
tue
DAY
68°F
SW 13 mph
precip
49%
49%
NIGHT
72°F
SW 17 mph
precip
61%
61%
09.09
wed
wed
DAY
78°F
SW 14 mph
precip
17%
17%
NIGHT
74°F
SW 18 mph
precip
33%
33%
09.10
thu
thu
DAY
78°F
S 14 mph
precip
29%
29%
NIGHT
74°F
SW 15 mph
precip
67%
67%
09.11
fri
fri
DAY
82°F
SW 14 mph
precip
7%
7%
NIGHT
76°F
SW 16 mph
precip
13%
13%
09.12
sat
sat
DAY
82°F
NE 7 mph
precip
7%
7%
NIGHT
70°F
NE 19 mph
precip
44%
44%
09.13
sun
sun
DAY
70°F
NW 9 mph
precip
31%
31%
NIGHT
70°F
W 21 mph
precip
59%
59%
09.14
mon
mon
DAY
68°F
SW 16 mph
precip
85%
85%
NIGHT
70°F
SW 14 mph
precip
48%
48%
09.15
tue
tue
DAY
72°F
NE 17 mph
precip
28%
28%
NIGHT
72°F
NE 14 mph
precip
21%
21%
09.16
wed
wed
DAY
74°F
N 9 mph
precip
40%
40%
NIGHT
70°F
N 11 mph
precip
69%
69%
09.17
thu
thu
DAY
74°F
N 9 mph
precip
43%
43%
NIGHT
72°F
NW 13 mph
precip
80%
80%
09.18
fri
fri
DAY
72°F
NW 13 mph
precip
73%
73%
NIGHT
72°F
W 17 mph
precip
48%
48%
09.19
sat
sat
DAY
74°F
W 18 mph
precip
40%
40%
NIGHT
74°F
SW 23 mph
precip
25%
25%
09.20
sun
sun
DAY
82°F
SW 17 mph
precip
15%
15%
NIGHT
74°F
S 6 mph
precip
30%
30%
09.21
mon
mon
DAY
76°F
N 9 mph
precip
25%
25%
NIGHT
74°F
E 5 mph
precip
32%
32%
Sea water
temperature
temperature
| Rio das Ostras |
Weather in
September
September
| Rio das Ostras |
7 day weather
forecast
forecast
| Rio das Ostras |
10 day weather
forecast
forecast
| Rio das Ostras |
14 day weather
forecast
forecast
| Rio das Ostras |
Monthly weather
averages
averages
| Rio das Ostras |
Current Weather
Conditions
Conditions
| Rio das Ostras |
When is the Best
Time to Visit?
Time to Visit?
| Rio das Ostras |
Rio das Ostras Sea Water Temperature in September, °F
The average sea surface temperature in September 2025 for Rio das Ostras was 73.2°F. The maximum and minimum values were 70.8°F and 75.2°F respectively.
Rio das Ostras on the Weather Map
Brazil Resorts:
NAME
F°
| Angra dos Reis |  |
+66 |
| Balneario Camboriu |  |
+62 |
| Buzios |  |
+70 |
| Florianopolis | |
+64 |
| Fortaleza | |
+84 |
| Ilha de Itamaraca | |
+82 |
| Joao Pessoa |  |
+82 |
| Natal | |
+80 |
| Recife | |
+78 |
| Rio de Janeiro | |
+70 |
| Santos | |
+66 |
| Sao Jose de Ribamar | |
+84 |
| Sao Paulo | |
+56 |
| Sao Sebastiao | |
+62 |
| Xangri-la | |
+60 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Rio das Ostras
Local time: 17:15
08 sep, tuesday
| 1800 | |
72°F | SW 19 mph |
| 2100 | |
70°F | SW 15 mph |
09 sep, wednesday
| 0000 | |
72°F | SW 17 mph |
| 0300 | |
72°F | SW 19 mph |
| 0600 |  |
72°F | SW 22 mph |
| 0900 | |
74°F | SW 19 mph |
| 1200 | |
78°F | SW 14 mph |
| 1500 | |
76°F | SW 20 mph |