World Resorts Brazil Rio de Janeiro Weather

Rio de Janeiro Sea Temperature in September

Average sea water temperature in September:
+72.1°F
Minimum sea water temperature in September: 77.5°F
Maximum sea water temperature in September: 67.1°F

Daily sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 71.3°F. The highest and lowest sea temperatures during the month were 72.7°F and 70.2°F.

Monthly sea water temperature in Rio de Janeiro, °F

Which Brazil resorts have warmest sea in September?

Place name September 2025 September 2024
Macapa 85.5°F 86.3°F
Belem 84.3°F 84.7°F
Ananindeua 84.1°F 84.5°F
Sao Luis 82.5°F 82.4°F
Sao Jose de Ribamar 82.5°F 82.3°F
Jericoacoara 80.7°F 80.2°F
Paracuru 80.6°F 80.0°F
Fortaleza 80.4°F 79.9°F
Ilha de Itamaraca 80.1°F 80.0°F
Paulista 80.0°F 79.9°F
Olinda 80.0°F 79.9°F
Jaboatao dos Guararapes 80.0°F 80.0°F
Recife 79.9°F 79.9°F
Natal 79.9°F 79.7°F
Joao Pessoa 79.8°F 79.7°F
Maceio 79.7°F 80.1°F
Aracaju 79.0°F 79.5°F
Salvador 78.5°F 79.3°F
Lauro de Freitas 78.4°F 79.2°F
Ilheus 78.0°F 79.1°F

Best time for vacation in Rio de Janeiro

Sunniest months:
July 20 days
May 19 days
August 19 days
Warmest months:
February 88.6 °F
January 87.4 °F
March 86.8 °F
Warmest sea temp:
February 79.7 °F
January 79.3 °F
March 79.0 °F
Coldest months:
August 79.1 °F
June 79.5 °F
July 79.6 °F
Rainiest months:
November 9 days
December 8 days
January 8 days
Windiest months:
October 7.3 mph
September 7.2 mph
November 6.9 mph

Rio de Janeiro on a weather map

Rio de Janeiro
+68°F
S 3 mph
Feels like: +68°F
Precip.: 100%
Places in Brazil:
Name
°F
+72°F
+72°F
+77°F
+66°F
+77°F
+66°F
+77°F
+63°F
+68°F
+66°F
+64°F
+75°F
+66°F
24 Hours Forecast
Rio de Janeiro
Local time: 03:24
December 05, friday
0600
72°F
S
2 mph
0900
79°F
NW
5 mph
1200
79°F
NW
11 mph
1500
77°F
NW
11 mph
1800
73°F
W
8 mph
2100
72°F
W
6 mph
December 06, saturday
0000
70°F
W
5 mph
0300
68°F
SW
4 mph
Units of measurement: °C / °F