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Coldest sea in Brazil in September

298 coastal locations in Brazil ranked by typical September sea temperature, coldest first. Region-wide average in September: 23.1°C.

Coldest in September

Chui

13.9°C September mean in Brazil

Regional September average

23.1°C

across all 298 coastal locations in Brazil

Vs annual mean

-1.8°C

below the year-round regional average

What the Brazil sea feels like in September

Water at this temperature is very pleasant to swim in. If you tend to wear a wetsuit when swimming, you might consider removing it now to avoid the body overheating.

Brazil monthly average 22.6°C to 27.1°C
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  • Warmest month February 27.1°C
  • Coldest month August 22.6°C
  • Annual mean 24.9°C
  • Months above 20°C 12 of 12

Where September fits in the year

September sits inside the regional pattern shown on the left. Pick a different month to see how the ranking shifts.

All twelve Brazil month rankings:

Brazil sea temperature map (live)

The map shows today's latest reading at every Brazil location. The list below is based on the typical September mean.

Zoom in to see individual locations. Click a pin for water temperatures. View list →
°C -2 0 1 3 5 7 9 11 13 15 17 19 21 24 27 30 35

Top 50 coldest Brazil locations in September

Sorted by typical September mean from a decade of daily readings, coldest first. Click any place for the full location page.

# Location September mean
1 Chui Rio Grande do Sul 13.9°C
2 Hermenegildo Rio Grande do Sul 13.9°C
3 Cassino Rio Grande do Sul 15.4°C
4 Rio Grande Rio Grande do Sul 15.4°C
5 Porto Rio Grande Rio Grande do Sul 15.5°C
6 Pelotas Rio Grande do Sul 15.7°C
7 Cidreira Rio Grande do Sul 16.9°C
8 Atlantida Sul Rio Grande do Sul 17.0°C
9 Capao da Canoa Rio Grande do Sul 17.0°C
10 Tramandai Rio Grande do Sul 17.0°C
11 Xangri-La Rio Grande do Sul 17.0°C
12 Arroio do Sal Rio Grande do Sul 17.3°C
13 Tapes Rio Grande do Sul 17.5°C
14 Torres Rio Grande do Sul 17.6°C
15 Ararangua Santa Catarina 17.9°C
16 Arroio do Silva Santa Catarina 17.9°C
17 Guaiba Rio Grande do Sul 17.9°C
18 Porto Alegre Rio Grande do Sul 17.9°C
19 Barra do Camacho Santa Catarina 18.2°C
20 Laguna Santa Catarina 18.3°C
21 Ferrugem Beach Santa Catarina 18.5°C
22 Garopaba Santa Catarina 18.5°C
23 Ibiraquera Santa Catarina 18.5°C
24 Imbituba Santa Catarina 18.5°C
25 Praia do Rosa Santa Catarina 18.5°C
Show 25 more ▸
26 Armacao Santa Catarina 18.6°C
27 Gamboa Santa Catarina 18.6°C
28 Guarda do Embau Santa Catarina 18.6°C
29 Pantano do Sul Santa Catarina 18.6°C
30 Pinheira Santa Catarina 18.6°C
31 Ponta do Papagaio Santa Catarina 18.6°C
32 Campinas Santa Catarina 19.1°C
33 Costeira do Pirajubae Santa Catarina 19.1°C
34 Florianopolis Santa Catarina 19.1°C
35 Freguesia do Ribeirao da Ilha Santa Catarina 19.1°C
36 Palhoca Santa Catarina 19.1°C
37 Saco dos Limoes Santa Catarina 19.1°C
38 Santo Antonio de Lisboa Santa Catarina 19.1°C
39 Tapera Santa Catarina 19.1°C
40 Trindade Santa Catarina 19.1°C
41 Barra da Lagoa Santa Catarina 19.2°C
42 Biguacu Santa Catarina 19.2°C
43 Campeche Beach Santa Catarina 19.2°C
44 Campeche Island Santa Catarina 19.2°C
45 Daniela beach Santa Catarina 19.2°C
46 Governador Celso Ramos Santa Catarina 19.2°C
47 Joaquina Beach Santa Catarina 19.2°C
48 Jurere Santa Catarina 19.2°C
49 Lagoa da Conceicao Santa Catarina 19.2°C
50 Mole Beach Santa Catarina 19.2°C

Warmest 10 in Brazil in September

Same data the other way. The warmest spots for the same month.

# Location September mean
1 Ilha Do Brigue State of Amapá 29.9°C
2 Macapa Amapa 29.8°C
3 Santana Amapa 29.8°C
4 Cocal State of Amapá 29.6°C
5 Barcarena Para 29.2°C
6 Cameta Para 29.2°C
7 Limoeiro do Ajuru Para 29.2°C
8 Oeiras do Para Para 29.2°C
9 Belem Para 29.2°C
10 Porto de Mosqueiro Pará 29.1°C

More on this region