09.28
mon
mon
DAY
70°F
N 2 mph
precip
89%
89%
NIGHT
66°F
W 5 mph
precip
38%
38%
09.29
tue
tue
DAY
66°F
E 3 mph
precip
52%
52%
NIGHT
68°F
SE 6 mph
precip
38%
38%
09.30
wed
wed
DAY
70°F
NE 4 mph
precip
15%
15%
NIGHT
60°F
W 5 mph
precip
19%
19%
10.01
thu
thu
DAY
66°F
NE 4 mph
precip
15%
15%
NIGHT
58°F
N 6 mph
precip
18%
18%
10.02
fri
fri
DAY
68°F
N 4 mph
precip
2%
2%
NIGHT
54°F
W 7 mph
precip
25%
25%
10.03
sat
sat
DAY
76°F
S 4 mph
precip
13%
13%
NIGHT
66°F
SW 4 mph
precip
25%
25%
10.04
sun
sun
DAY
68°F
E 9 mph
precip
29%
29%
NIGHT
60°F
NW 3 mph
precip
16%
16%
10.05
mon
mon
DAY
74°F
NW 3 mph
precip
10%
10%
NIGHT
62°F
W 11 mph
precip
13%
13%
10.06
tue
tue
DAY
68°F
W 8 mph
precip
6%
6%
NIGHT
60°F
W 8 mph
precip
25%
25%
10.07
wed
wed
DAY
66°F
W 6 mph
precip
24%
24%
NIGHT
64°F
W 7 mph
precip
80%
80%
10.08
thu
thu
DAY
66°F
W 1 mph
precip
30%
30%
NIGHT
68°F
N 4 mph
precip
38%
38%
10.09
fri
fri
DAY
68°F
N 7 mph
precip
34%
34%
NIGHT
62°F
NW 9 mph
precip
42%
42%
10.10
sat
sat
DAY
66°F
NW 12 mph
precip
26%
26%
NIGHT
62°F
W 11 mph
precip
22%
22%
10.11
sun
sun
DAY
68°F
W 12 mph
precip
15%
15%
NIGHT
62°F
W 13 mph
precip
10%
10%
Sea water
temperature
temperature
| Porto Alegre |
Weather in
October
October
| Porto Alegre |
7 day weather
forecast
forecast
| Porto Alegre |
10 day weather
forecast
forecast
| Porto Alegre |
14 day weather
forecast
forecast
| Porto Alegre |
Monthly weather
averages
averages
| Porto Alegre |
Current Weather
Conditions
Conditions
| Porto Alegre |
When is the Best
Time to Visit?
Time to Visit?
| Porto Alegre |
Porto Alegre Sea Water Temperature in September, °F
The average sea surface temperature in September 2026 for Porto Alegre was 64.9°F. The maximum and minimum values were 63.0°F and 67.6°F respectively.
Porto Alegre 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
Porto Alegre
Local time: 18:51
28 sep, monday
| 2100 | |
66°F | N 5 mph |
29 sep, tuesday
| 0000 | |
66°F | W 5 mph |
| 0300 | |
66°F | NW 6 mph |
| 0600 | |
64°F | NW 6 mph |
| 0900 | |
66°F | E 8 mph |
| 1200 | |
66°F | E 3 mph |
| 1500 | |
70°F | SE 11 mph |
| 1800 | |
74°F | E 6 mph |