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Coldest sea in Argentina in September

167 coastal locations in Argentina ranked by typical September sea temperature, coldest first. Region-wide average in September: 10.8°C.

Coldest in September

Weddell Sea

-1.8°C September mean in Argentina

Regional September average

10.8°C

across all 167 coastal locations in Argentina

Vs annual mean

-3.3°C

below the year-round regional average

What the Argentina sea feels like in September

Water at this temperature is cold and will feel very cold initially, but the body will get used to it and longer swims are possible. Experienced swimmers can manage several hours of swimming, however hypothermia is still a real risk.

Argentina monthly average 9.7°C to 18.7°C
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  • Warmest month February 18.7°C
  • Coldest month August 9.7°C
  • Annual mean 14.1°C
  • Months above 20°C 0 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 Argentina month rankings:

Argentina sea temperature map (live)

The map shows today's latest reading at every Argentina 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 Argentina 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 Weddell Sea Argentine Antarctica -1.8°C
2 Ronne Ice Shelf Argentine Antarctica -1.8°C
3 Signy Island Argentine Antarctica -1.7°C
4 Scotia Bay Argentine Antarctica -1.6°C
5 Caleta la Mision Tierra del Fuego 3.7°C
6 Rio Grande 3.9°C
7 Bahía San Sebastián Tierra del Fuego 4.0°C
8 Tierra del Fuego 4.1°C
9 Rio Gallegos 4.4°C
10 Cabo Virgenes Santa Cruz 4.5°C
11 Comandante Luis Piedrabuena 5.5°C
12 Bahia Aguirre Tierra del Fuego 5.7°C
13 Puerto Santa Cruz 5.7°C
14 Puerto Vancouver Tierra del Fuego Province 5.8°C
15 Muelle Frigorifico Santa Cruz 5.8°C
16 Caleta Brent Tierra del Fuego Province 5.8°C
17 Puerto de Punta Quilla 5.9°C
18 Bahia Crossley Tierra del Fuego 5.9°C
19 Puerto San Julian 5.9°C
20 Puerto San Juan del Salvamento Tierra del Fuego 5.9°C
21 Bahia Buen Suceso Tierra del Fuego 6.0°C
22 Isla Observatorio Tierra del Fuego Province 6.0°C
23 Ushuaia 6.0°C
24 Bahia Thetis Tierra del Fuego Province 6.0°C
25 Isla de los Estados 6.0°C
Show 25 more ▸
26 Argentino Lake 6.2°C
27 El Calafate 6.2°C
28 Viedma Lake 6.2°C
29 Bahía Laura Santa Cruz 6.4°C
30 Bahia de los Nodales Santa Cruz 6.5°C
31 Puerto Deseado 6.5°C
32 Cabo Blanco Santa Cruz 6.8°C
33 Caleta Olivia 8.2°C
34 Rada Tilly Chubut 8.2°C
35 Comodoro Rivadavia Chubut 8.3°C
36 Bahia Bustamante Chubut 8.9°C
37 Camarones Chubut 8.9°C
38 Caleta Carolina Chubut 9.0°C
39 Puerto Melo Chubut 9.0°C
40 Puerto Santa Elena Entre Rios 9.0°C
41 Bahia Gil Chubut Province 9.0°C
42 Bahía Engaño Chubut 9.2°C
43 Isla Escondida Chubut Province 9.2°C
44 Bahia Janssen Chubut 9.3°C
45 Playa Union Chubut 9.3°C
46 Rawson Chubut 9.3°C
47 Trelew 9.3°C
48 Punta Delgada Chubut 9.9°C
49 Valdes Peninsula Chubut 10.1°C
50 Punta Norte Chubut 10.5°C

Warmest 10 in Argentina in September

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

# Location September mean
1 Puerto Iguazu 17.0°C
2 Isla Martín García Buenos Aires 16.7°C
3 Baradero 16.7°C
4 Gualeguaychu 16.7°C
5 Mar Chiquita Lake 16.7°C
6 San Roque Lake 16.7°C
7 Villa Carlos Paz 16.7°C
8 Isla Martin Garcia Buenos Aires Province 16.6°C
9 Colon Entre Rios 16.6°C
10 Concepcion del Uruguay Entre Rios 16.6°C

More on this region