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Coldest sea in Chile in September

147 coastal locations in Chile ranked by typical September sea temperature, coldest first. Region-wide average in September: 12.2°C.

Coldest in September

Punta Catalina

4.5°C September mean in Chile

Regional September average

12.2°C

across all 147 coastal locations in Chile

Vs annual mean

-1.6°C

below the year-round regional average

What the Chile 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.

Chile monthly average 12.1°C to 16.0°C
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  • Warmest month February 16.0°C
  • Coldest month August 12.1°C
  • Annual mean 13.8°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 Chile month rankings:

Chile sea temperature map (live)

The map shows today's latest reading at every Chile 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 Chile 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 Punta Catalina Magallanes y la Antártica Chilena 4.5°C
2 Magellan Strait East Entrance Magallanes Region 4.5°C
3 Punta Dungeness Magallanes y la Antártica Chilena 4.5°C
4 Cabo Posesion Magallanes y la Antártica Chilena 4.5°C
5 Punta Delgada Magallanes y la Antártica Chilena 5.2°C
6 Tierra del Fuego 5.6°C
7 Diego Ramirez Magallanes Region 5.7°C
8 Puerto Williams 5.9°C
9 Puerto Toro 6.1°C
10 Punta Arenas 6.2°C
11 Strait of Magellan 6.2°C
12 Cape Horn 6.3°C
13 Caleta San Martin Magallanes and Chilean Antarctica 6.3°C
14 Puerto Natales 6.5°C
15 Angostura Inglesa Magallanes and Chilean Antarctica 7.4°C
16 Bahia Kelly Región Aysén 8.8°C
17 Puerto Aysen 9.5°C
18 Puerto Chacabuco 9.5°C
19 Puerto Cisnes 9.6°C
20 Puyuhuapi 10.1°C
21 Melinka 10.2°C
22 Quellon 10.2°C
23 Chaiten 10.3°C
24 Curaco de Velez 10.6°C
25 Calbuco 10.8°C
Show 25 more ▸
26 Chiloe Island 10.8°C
27 Castro 10.8°C
28 Cucao 10.8°C
29 Hornopiren 10.9°C
30 Ancud 11.1°C
31 Carelmapu 11.1°C
32 Maullin 11.1°C
33 Cochamo 11.1°C
34 Frutillar 11.1°C
35 Llanquihue 11.1°C
36 Puerto Montt 11.1°C
37 Puerto Varas 11.1°C
38 Caleta Mansa Los Lagos 11.3°C
39 Bahia Mansa 11.3°C
40 Maicolpue 11.3°C
41 Osorno 11.3°C
42 Corral 11.5°C
43 Lago Ranco 11.5°C
44 Niebla 11.5°C
45 Panguipulli 11.5°C
46 Valdivia 11.5°C
47 Mehuin 11.6°C
48 Pucon 11.6°C
49 Villarrica 11.6°C
50 Caburgua 11.6°C

Warmest 10 in Chile in September

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

# Location September mean
1 Anakena 20.6°C
2 Easter Island 20.6°C
3 Hanga Roa 20.6°C
4 Isla de Pascua (Hanga Piko) Valparaíso 20.3°C
5 San Felix Valparaíso 16.9°C
6 Arica 16.9°C
7 Cavancha 16.8°C
8 Iquique 16.8°C
9 Calama 16.4°C
10 Tocopilla 16.4°C

More on this region