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Warmest sea in Peru in September

89 coastal locations in Peru ranked by their typical September sea temperature. Region-wide average in September: 17.6°C. The top of the list is where to find the warmest swimming this month.

Warmest in September

Puerto Pizarro

23.9°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, useful for trip planning weeks or months ahead.

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 warmest Peru locations in September

Sorted by the typical September mean built from a decade of daily readings at each location. Click any place for its 30-day chart, monthly profile, and full 10-year history.

# 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
11 Lobitos 21.2°C
12 Negritos 20.0°C
13 Talara 20.0°C
14 Bahia de Talara Piura 19.0°C
15 Puerto de Paita Piura 18.3°C
16 Colan 18.1°C
17 Paita 18.1°C
18 Salinera Colan 18.1°C
19 Sullana 18.1°C
20 Yacila 18.1°C
21 Puerto Bayovar Piura 17.7°C
22 Bayovar 17.6°C
23 Piura 17.6°C
24 Sechura Bay 17.6°C
25 Lobos de Afuera Lambayeque 17.5°C
Show 25 more ▸
26 Mollendo 17.3°C
27 Mejia 17.2°C
28 Ilo 17.0°C
29 Puno 17.0°C
30 Arequipa 17.0°C
31 Pueblo Nuevo Moquegua 17.0°C
32 Puerto Ilo Ilo 17.0°C
33 Tacna 16.9°C
34 Chiclayo 16.9°C
35 Huanchaco 16.9°C
36 Lambayeque 16.9°C
37 Pimentel 16.9°C
38 Puerto Eten Chiclayo 16.9°C
39 Trujillo 16.9°C
40 Matarani Arequipa 16.9°C
41 Puerto Malabrigo 16.9°C
42 Pacasmayo 16.8°C
43 Quilca 16.8°C
44 Chicama 16.7°C
45 Camana 16.7°C
46 Salaverry La Libertad 16.7°C
47 Chimbote 16.6°C
48 Coishco 16.6°C
49 Puerto Santa 16.6°C
50 Laguna Bujama 16.6°C

Coldest 10 in Peru in September

Same data the other way. Helpful if you want to know which Peru coasts to avoid for swimming in September.

# 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

More on this region