09.28
mon
mon
DAY
76°F
NW 11 mph
precip
19%
19%
NIGHT
72°F
SW 5 mph
precip
16%
16%
09.29
tue
tue
DAY
78°F
NW 11 mph
precip
11%
11%
NIGHT
76°F
W 8 mph
precip
15%
15%
09.30
wed
wed
DAY
88°F
SW 2 mph
precip
4%
4%
NIGHT
74°F
E 6 mph
precip
35%
35%
10.01
thu
thu
DAY
74°F
N 3 mph
precip
17%
17%
NIGHT
72°F
NW 2 mph
precip
57%
57%
10.02
fri
fri
DAY
72°F
N 11 mph
precip
78%
78%
NIGHT
70°F
W 19 mph
precip
76%
76%
10.03
sat
sat
DAY
72°F
W 11 mph
precip
72%
72%
NIGHT
72°F
S 6 mph
precip
66%
66%
10.04
sun
sun
DAY
82°F
NE 1 mph
precip
6%
6%
NIGHT
74°F
E 17 mph
precip
46%
46%
10.05
mon
mon
DAY
76°F
NE 15 mph
precip
14%
14%
NIGHT
74°F
E 7 mph
precip
40%
40%
10.06
tue
tue
DAY
76°F
NE 6 mph
precip
12%
12%
NIGHT
72°F
NE 16 mph
precip
33%
33%
10.07
wed
wed
DAY
74°F
NE 10 mph
precip
29%
29%
NIGHT
72°F
SW 1 mph
precip
20%
20%
10.08
thu
thu
DAY
76°F
NW 11 mph
precip
28%
28%
NIGHT
74°F
E 9 mph
precip
60%
60%
10.09
fri
fri
DAY
76°F
NW 4 mph
precip
28%
28%
NIGHT
74°F
E 1 mph
precip
31%
31%
10.10
sat
sat
DAY
74°F
N 7 mph
precip
48%
48%
NIGHT
72°F
NW 14 mph
precip
78%
78%
10.11
sun
sun
DAY
72°F
NW 15 mph
precip
37%
37%
NIGHT
70°F
W 17 mph
precip
24%
24%
Sea water
temperature
temperature
| Niteroi |
Weather in
October
October
| Niteroi |
7 day weather
forecast
forecast
| Niteroi |
10 day weather
forecast
forecast
| Niteroi |
14 day weather
forecast
forecast
| Niteroi |
Monthly weather
averages
averages
| Niteroi |
Current Weather
Conditions
Conditions
| Niteroi |
When is the Best
Time to Visit?
Time to Visit?
| Niteroi |
Niteroi Sea Water Temperature in September, °F
The average sea surface temperature in September 2026 for Niteroi was 75.8°F. The maximum and minimum values were 73.8°F and 77.6°F respectively.
Niteroi on the Weather Map
Brazil Resorts:
NAME
F°
| Balneario Camboriu |  |
+68 |
| Buzios |  |
+76 |
| Duque de Caxias | |
+78 |
| Florianopolis |  |
+68 |
| Fortaleza |  |
+84 |
| Joao Pessoa | |
+82 |
| Natal | |
+82 |
| Recife | |
+78 |
| Rio de Janeiro | |
+76 |
| Salvador | |
+82 |
| Santos | |
+74 |
| Sao Jose de Ribamar | |
+84 |
| Sao Paulo |  |
+70 |
| Sao Sebastiao | |
+70 |
| Xangri-la | |
+68 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Niteroi
Local time: 18:50
28 sep, monday
| 2100 | |
74°F | W 14 mph |
29 sep, tuesday
| 0000 | |
72°F | SW 5 mph |
| 0300 | |
72°F | SW 2 mph |
| 0600 | |
72°F | SW 9 mph |
| 0900 | |
76°F | W 9 mph |
| 1200 | |
78°F | NW 11 mph |
| 1500 | |
80°F | W 17 mph |
| 1800 |  |
78°F | W 14 mph |