09.08
tue
tue
DAY
68°F
W 6 mph
precip
26%
26%
NIGHT
68°F
SW 6 mph
precip
21%
21%
09.09
wed
wed
DAY
72°F
NW 4 mph
precip
55%
55%
NIGHT
72°F
S 6 mph
precip
30%
30%
09.10
thu
thu
DAY
78°F
SE 8 mph
precip
29%
29%
NIGHT
74°F
SE 6 mph
precip
33%
33%
09.11
fri
fri
DAY
84°F
S 12 mph
precip
16%
16%
NIGHT
78°F
S 9 mph
precip
9%
9%
09.12
sat
sat
DAY
84°F
S 7 mph
precip
5%
5%
NIGHT
70°F
N 11 mph
precip
33%
33%
09.13
sun
sun
DAY
70°F
W 14 mph
precip
29%
29%
NIGHT
66°F
W 21 mph
precip
76%
76%
09.14
mon
mon
DAY
66°F
W 22 mph
precip
81%
81%
NIGHT
68°F
W 6 mph
precip
29%
29%
09.15
tue
tue
DAY
72°F
S 19 mph
precip
29%
29%
NIGHT
72°F
NE 2 mph
precip
32%
32%
09.16
wed
wed
DAY
70°F
NE 9 mph
precip
30%
30%
NIGHT
70°F
N 12 mph
precip
51%
51%
09.17
thu
thu
DAY
72°F
NW 16 mph
precip
38%
38%
NIGHT
70°F
NW 19 mph
precip
75%
75%
09.18
fri
fri
DAY
70°F
W 18 mph
precip
69%
69%
NIGHT
70°F
W 15 mph
precip
36%
36%
09.19
sat
sat
DAY
78°F
W 11 mph
precip
22%
22%
NIGHT
74°F
SW 6 mph
precip
14%
14%
09.20
sun
sun
DAY
84°F
E 2 mph
precip
10%
10%
NIGHT
74°F
E 7 mph
precip
52%
52%
09.21
mon
mon
DAY
76°F
N 9 mph
precip
25%
25%
NIGHT
74°F
W 7 mph
precip
30%
30%
Sea water
temperature
temperature
| Niteroi |
Weather in
September
September
| 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 2025 for Niteroi was 74.5°F. The maximum and minimum values were 73.0°F and 76.4°F respectively.
Niteroi 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
Niteroi
Local time: 17:14
08 sep, tuesday
| 1800 | |
70°F | W 9 mph |
| 2100 | |
68°F | W 9 mph |
09 sep, wednesday
| 0000 | |
68°F | SW 6 mph |
| 0300 | |
70°F | SW 6 mph |
| 0600 | |
70°F | SW 4 mph |
| 0900 | |
72°F | SE 3 mph |
| 1200 | |
72°F | NW 4 mph |
| 1500 | |
72°F | NW 10 mph |