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Coldest sea in Peru in September

89 coastal locations in Peru ranked by typical September sea temperature, coldest first. Region-wide average in September: 17.6°C.

Coldest in September

San Juan

14.8°C September mean in Peru

Regional September average

17.6°C

across all 89 coastal locations in Peru

Vs annual mean

-1.9°C

below the year-round regional average

What the Peru sea feels like in September

At this temperature, water will feel cold compared to a swimming pool, but with a bit of experience and practice most people will find the water relatively comfortable to swim in.

Peru monthly average 17.6°C to 22.3°C
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  • Warmest month February 22.3°C
  • Coldest month September 17.6°C
  • Annual mean 19.5°C
  • Months above 20°C 4 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 Peru month rankings:

Peru sea temperature map (live)

The map shows today's latest reading at every Peru 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 Peru 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 San Juan Ica 14.8°C
2 Pueblo Nuevo 14.8°C
3 Lomas Arequipa 15.0°C
4 Cusco 15.4°C
5 San Juan de Marcona 15.5°C
6 Puerto de Lomas 15.7°C
7 Chala 15.9°C
8 Bahia Huarmey Áncash 16.1°C
9 La Caleta Culebras Áncash 16.1°C
10 Paracas 16.2°C
11 Pisco 16.2°C
12 Surco Municipalidad Metropolitana de Lima 16.2°C
13 Chancay 16.3°C
14 Puerto Huacho Gobierno Regional de Lima 16.3°C
15 Culebras 16.3°C
16 Callao 16.4°C
17 Chorrillos 16.4°C
18 La Punta 16.4°C
19 Lima 16.4°C
20 Miraflores 16.4°C
21 Playa Agua Dulce 16.4°C
22 San Isidro 16.4°C
23 Samanco 16.4°C
24 Barranca 16.4°C
25 Pisco-B Ica 16.4°C
Show 25 more ▸
26 Puerto Supe 16.5°C
27 Caleta de Carquin 16.5°C
28 Huacho 16.5°C
29 Huaura 16.5°C
30 Vegueta 16.5°C
31 Santiago de Surco 16.5°C
32 Huarmey 16.5°C
33 Tuquillo 16.5°C
34 Bahia Ferrol Chimbote 16.6°C
35 Pucusana 16.6°C
36 Punta Hermosa 16.6°C
37 San Bartolo 16.6°C
38 Cerro Azul 16.6°C
39 Chincha Alta 16.6°C
40 Laguna Bujama 16.6°C
41 Chimbote 16.6°C
42 Coishco 16.6°C
43 Puerto Santa 16.6°C
44 Camana 16.7°C
45 Salaverry La Libertad 16.7°C
46 Chicama 16.7°C
47 Quilca 16.8°C
48 Pacasmayo 16.8°C
49 Matarani Arequipa 16.9°C
50 Puerto Malabrigo 16.9°C

Warmest 10 in Peru in September

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

# Location September mean
1 Puerto Pizarro 23.9°C
2 Tumbes 23.9°C
3 Caleta Zorritos Zorritos 23.9°C
4 Bocapan 23.7°C
5 Zorritos 23.7°C
6 Cancas 23.5°C
7 Punta Sal 23.5°C
8 Los Organos 22.8°C
9 Mancora 22.8°C
10 Vichayito 22.8°C

More on this region