Peru in September

Excellent trekking with fewer crowds.

No other month rates higher than September for Peru in this guide.

• Southern Andes · Cusco, Sacred Valley, Machu Picchu, Punobest weather

  Dry, sunny days and frosty nights May–Sep; rain most afternoons Dec–Mar, with landslides. Machu Picchu is lower and more humid than Cusco.

• Arequipa and Colca · Arequipa, Colca Canyonbest weather

  Sunny most of the year; short summer rains Jan–Feb.

• Central coast · Lima, Paracas, Nazcacool

  Almost no rain. Sunny summer Dec–Apr; grey mist (garúa) and 15–18 °C (59–64 °F) Jun–Oct in Lima.Almost no rain. Sunny summer Dec–Apr; grey mist (garúa) and 59–64 °F (15–18 °C) Jun–Oct in Lima.

• Amazon · Iquitos, Puerto Maldonado, Manufine

  Hot and humid; drier Jun–Sep with better trails; river levels high Jan–May (good for boats around Iquitos).

• Altiplano: Lake Titicaca shore (Puno, Juliaca) · 3,800–3,900 mfine

  Rain concentrates December to March; June to August is dry, sunny and very cold at night, with strong afternoon wind on the lake.

• Central Coast: Lima and Callao · coastal desertfine

  15–23 °C (59–73 °F) year-round with almost no rain. December to April is sunny; May to September is grey and humid (80–85%) with coastal fog.59–73 °F (15–23 °C) year-round with almost no rain. December to April is sunny; May to September is grey and humid (80–85%) with coastal fog.

• Central Coast: Huaral / Barranca / Caral · north coast desert and lower valleycheck

  Warmer and sunnier than Lima; Caral sits in full sun with daytime heat most of the year. Month-by-month ratings check.

• Central Sierra: Huaraz and the Callejón de Huaylas · Cordillera Blanca valley, 2,500–3,100 mfine

  Dry season roughly May–Sep: clear mornings, afternoon cloud. Rain concentrates Dec–Mar.

• Central Sierra: Oxapampa and the eastern valleys · Cloud forest east of the divide, 1,800 mfine

  Warmer and wetter than the highlands; rain possible any month.

• Madre de Dios: Lowland Amazon · Puerto Maldonado, Tambopata and Manú lowlandsfine

  Warm and damp all year, around 25–32 °C (77–90 °F). The rainy season runs December to March, when rivers swell and can overflow; the drier months from April to October are easier for boats and trails.Warm and damp all year, around 77–90 °F (25–32 °C). The rainy season runs December to March, when rivers swell and can overflow; the drier months from April to October are easier for boats and trails.

• Northern Coast: Trujillo and Chiclayo · central northern coastfine

  Mild and dry year-round, often grey and damp in winter (June–November); little rain.

• Northern Coast: Piura, Máncora and Tumbes · far northern coastfine

  Hot and sunny most of the year; the wettest months are December to April, when flooding is possible.

• Northern Sierra: Cajamarca · northern Andes, about 2,750 mfine

  Rain concentrates December to March; days are mild, nights cold. February or March is carnival, when beds fill.

• Northern Sierra: Chachapoyas and the cloud forest · eastern slopes, about 2,335 mfine

  Mist and rain are common year-round; the drier window is roughly May to September.

• Peruvian Amazon: Lowland Amazon (Iquitos, Pucallpa, Puerto Maldonado) · Amazon basin, Loreto, Ucayali, Madre de Diosfine

  Hot and humid year-round. The heaviest rain runs roughly December to April, when rivers rise and trails can flood; May to October is drier and easier for trails and boat transfers, though rain falls in any month.

• San Martín: Tarapoto and the lowlands · Huallaga valley, 300–600 mfine

  Warm and humid all year, 25–32 °C (77–90 °F); rain is heaviest December to April. June to September is drier and the easier window.Warm and humid all year, 77–90 °F (25–32 °C); rain is heaviest December to April. June to September is drier and the easier window.

• San Martín: Moyobamba and the higher edge · 800–1,000 mfine

  Cooler nights, similar rain pattern; bring a light jacket for evenings.

• Southern Coast: Coastal desert (Paracas, Ica, Nazca) · Panamericana corridorfine

  Rain is rare; summer (Dec–Mar) is hot and sunny, winter (Jun–Sep) is grey and damp with garúa. Sea temperatures stay cold year-round.

• Southern Coast: Arequipa and the sierra edge · 2,300 m and abovefine

  Clear dry days May–Sep with cold nights; the wet season Dec–Mar brings afternoon cloud and greener slopes.

• Southern Sierra: Cusco and the Inca heartland · Cusco, Sacred Valley, Machu Picchufine

  Dry season May–September brings clear mornings and cold nights; the wet season December–March is greener but muddier.

• Southern Sierra: Ayacucho and Apurímac · Western and central sierrafine

  Similar dry/wet split; afternoons cloud over in the wet season and roads suffer.

• Southern Sierra: Puno and Lake Titicaca · Altiplanofine

  Coldest zone; frosty nights year-round and strong sun at 3,800 m.

• Lima19 °C (66 °F) / 15 °C (59 °F), 3 rain days66 °F (19 °C) / 59 °F (15 °C), 3 rain days
• Abancay14 °C (57 °F) / 5 °C (41 °F), 4 rain days57 °F (14 °C) / 41 °F (5 °C), 4 rain days
• Aguas Calientes23 °C (73 °F) / 11 °C (52 °F), 9 rain days73 °F (23 °C) / 52 °F (11 °C), 9 rain days
• Aguaytía32 °C (90 °F) / 21 °C (70 °F), 8 rain days90 °F (32 °C) / 70 °F (21 °C), 8 rain days
• Andagua21 °C (70 °F) / 8 °C (46 °F), 4 rain days70 °F (21 °C) / 46 °F (8 °C), 4 rain days
• Andahuaylas19 °C (66 °F) / 8 °C (46 °F), 6 rain days66 °F (19 °C) / 46 °F (8 °C), 6 rain days
• Andahuaylillas22 °C (72 °F) / 6 °C (43 °F), 7 rain days72 °F (22 °C) / 43 °F (6 °C), 7 rain days
• Arequipa23 °C (73 °F) / 9 °C (48 °F), 1 rain days73 °F (23 °C) / 48 °F (9 °C), 1 rain days
• Atalaya32 °C (90 °F) / 24 °C (75 °F), 7 rain days90 °F (32 °C) / 75 °F (24 °C), 7 rain days
• Ayacucho20 °C (68 °F) / 6 °C (43 °F), 8 rain days68 °F (20 °C) / 43 °F (6 °C), 8 rain days
• Ballestas Islands21 °C (70 °F) / 14 °C (57 °F), 1 rain days70 °F (21 °C) / 57 °F (14 °C), 1 rain days
• Barranca24 °C (75 °F) / 15 °C (59 °F), 5 rain days75 °F (24 °C) / 59 °F (15 °C), 5 rain days
• Caballococha31 °C (88 °F) / 22 °C (72 °F), 14 rain days88 °F (31 °C) / 72 °F (22 °C), 14 rain days
• Cachora22 °C (72 °F) / 7 °C (45 °F), 7 rain days72 °F (22 °C) / 45 °F (7 °C), 7 rain days
• Cajabamba19 °C (66 °F) / 9 °C (48 °F), 9 rain days66 °F (19 °C) / 48 °F (9 °C), 9 rain days
• Cajamarca22 °C (72 °F) / 7 °C (45 °F), 5 rain days72 °F (22 °C) / 45 °F (7 °C), 5 rain days
• Callao22 °C (72 °F) / 16 °C (61 °F), 5 rain days72 °F (22 °C) / 61 °F (16 °C), 5 rain days
• Camaná21 °C (70 °F) / 14 °C (57 °F), 0 rain days70 °F (21 °C) / 57 °F (14 °C), 0 rain days
• Caraz22 °C (72 °F) / 8 °C (46 °F), 8 rain days72 °F (22 °C) / 46 °F (8 °C), 8 rain days
• Casma22 °C (72 °F) / 15 °C (59 °F), 0 rain days72 °F (22 °C) / 59 °F (15 °C), 0 rain days
• Celendín23 °C (73 °F) / 8 °C (46 °F), 9 rain days73 °F (23 °C) / 46 °F (8 °C), 9 rain days
• Cerro de Pasco14 °C (57 °F) / -1 °C (30 °F), 9 rain days57 °F (14 °C) / 30 °F (-1 °C), 9 rain days
• Chachapoyas26 °C (79 °F) / 18 °C (64 °F), 10 rain days79 °F (26 °C) / 64 °F (18 °C), 10 rain days
• Chahuay19 °C (66 °F) / 5 °C (41 °F), 8 rain days66 °F (19 °C) / 41 °F (5 °C), 8 rain days
• Chavín de Huántar20 °C (68 °F) / 6 °C (43 °F), 6 rain days68 °F (20 °C) / 43 °F (6 °C), 6 rain days
• Chiclayo24 °C (75 °F) / 16 °C (61 °F), 1 rain days75 °F (24 °C) / 61 °F (16 °C), 1 rain days
• Chimbote22 °C (72 °F) / 14 °C (57 °F), 0 rain days72 °F (22 °C) / 57 °F (14 °C), 0 rain days
• Chinchero19 °C (66 °F) / 4 °C (39 °F), 7 rain days66 °F (19 °C) / 39 °F (4 °C), 7 rain days
• Chota22 °C (72 °F) / 10 °C (50 °F), 8 rain days72 °F (22 °C) / 50 °F (10 °C), 8 rain days
• Chucuito17 °C (63 °F) / 3 °C (37 °F), 6 rain days63 °F (17 °C) / 37 °F (3 °C), 6 rain days
• Churin22 °C (72 °F) / 4 °C (39 °F), 4 rain days72 °F (22 °C) / 39 °F (4 °C), 4 rain days
• Cuispes30 °C (86 °F) / 22 °C (72 °F), 12 rain days86 °F (30 °C) / 72 °F (22 °C), 12 rain days
• Cuzco21.7 °C (71 °F) / 5 °C (41 °F), 4 rain days71 °F (21.7 °C) / 41 °F (5 °C), 4 rain days
• Desaguadero15 °C (59 °F) / 5 °C (41 °F), 5 rain days59 °F (15 °C) / 41 °F (5 °C), 5 rain days
• Huacachina31 °C (88 °F) / 20 °C (68 °F), 0 rain days88 °F (31 °C) / 68 °F (20 °C), 0 rain days
• Huancavelia14 °C (57 °F) / 2 °C (36 °F), 8 rain days57 °F (14 °C) / 36 °F (2 °C), 8 rain days
• Huancayo18 °C (64 °F) / 6 °C (43 °F), 12 rain days64 °F (18 °C) / 43 °F (6 °C), 12 rain days
• Huanchaco22 °C (72 °F) / 15 °C (59 °F), 1 rain days72 °F (22 °C) / 59 °F (15 °C), 1 rain days
• Huánuco21 °C (70 °F) / 11 °C (52 °F), 6 rain days70 °F (21 °C) / 52 °F (11 °C), 6 rain days
• Huaral30 °C (86 °F) / 22 °C (72 °F), 5 rain days86 °F (30 °C) / 72 °F (22 °C), 5 rain days
• Huaraz22 °C (72 °F) / 5 °C (41 °F), 5 rain days72 °F (22 °C) / 41 °F (5 °C), 5 rain days
• Ica32 °C (90 °F) / 20 °C (68 °F), 0 rain days90 °F (32 °C) / 68 °F (20 °C), 0 rain days
• Iquitos32 °C (90 °F) / 21 °C (70 °F), 16 rain days90 °F (32 °C) / 70 °F (21 °C), 16 rain days
• Jaén32 °C (90 °F) / 24 °C (75 °F), 9 rain days90 °F (32 °C) / 75 °F (24 °C), 9 rain days
• Jauja17 °C (63 °F) / 4 °C (39 °F), 5 rain days63 °F (17 °C) / 39 °F (4 °C), 5 rain days
• Juanjuí32 °C (90 °F) / 21 °C (70 °F), 10 rain days90 °F (32 °C) / 70 °F (21 °C), 10 rain days
• Juliaca19 °C (66 °F) / 3 °C (37 °F), 6 rain days66 °F (19 °C) / 37 °F (3 °C), 6 rain days
• Kuelap22 °C (72 °F) / 9 °C (48 °F), 9 rain days72 °F (22 °C) / 48 °F (9 °C), 9 rain days
• La Merced0 °C (32 °F) / 0 °C (32 °F), 0 rain days32 °F (0 °C) / 32 °F (0 °C), 0 rain days
• La Rinconada11 °C (52 °F) / -3 °C (27 °F), 7 rain days52 °F (11 °C) / 27 °F (-3 °C), 7 rain days
• Leimebamba19 °C (66 °F) / 8 °C (46 °F), 9 rain days66 °F (19 °C) / 46 °F (8 °C), 9 rain days
• Los Organos31 °C (88 °F) / 23 °C (73 °F), 2 rain days88 °F (31 °C) / 73 °F (23 °C), 2 rain days
• Máncora29 °C (84 °F) / 23 °C (73 °F), 0 rain days84 °F (29 °C) / 73 °F (23 °C), 0 rain days
• Maras23 °C (73 °F) / 9 °C (48 °F), 5 rain days73 °F (23 °C) / 48 °F (9 °C), 5 rain days
• Mazán31 °C (88 °F) / 22 °C (72 °F), 10 rain days88 °F (31 °C) / 72 °F (22 °C), 10 rain days
• Mollepata20 °C (68 °F) / 6 °C (43 °F), 6 rain days68 °F (20 °C) / 43 °F (6 °C), 6 rain days
• Moyobamba31 °C (88 °F) / 19 °C (66 °F), 10 rain days88 °F (31 °C) / 66 °F (19 °C), 10 rain days
• Nazca27 °C (81 °F) / 10 °C (50 °F), 0 rain days81 °F (27 °C) / 50 °F (10 °C), 0 rain days
• Ollantaytambo21 °C (70 °F) / 4 °C (39 °F), 6 rain days70 °F (21 °C) / 39 °F (4 °C), 6 rain days
• Oxapampa19 °C (66 °F) / 11 °C (52 °F), 11 rain days66 °F (19 °C) / 52 °F (11 °C), 11 rain days
• Patacancha20 °C (68 °F) / 5 °C (41 °F), 8 rain days68 °F (20 °C) / 41 °F (5 °C), 8 rain days
• Paucartambo20 °C (68 °F) / 7 °C (45 °F), 9 rain days68 °F (20 °C) / 45 °F (7 °C), 9 rain days
• Pichanaki27 °C (81 °F) / 18 °C (64 °F), 7 rain days81 °F (27 °C) / 64 °F (18 °C), 7 rain days
• Pisac23 °C (73 °F) / 5 °C (41 °F), 5 rain days73 °F (23 °C) / 41 °F (5 °C), 5 rain days
• Pisco22 °C (72 °F) / 14 °C (57 °F), 1 rain days72 °F (22 °C) / 57 °F (14 °C), 1 rain days
• Piura28 °C (82 °F) / 16 °C (61 °F), 0 rain days82 °F (28 °C) / 61 °F (16 °C), 0 rain days
• Pozuzo26 °C (79 °F) / 16 °C (61 °F), 10 rain days79 °F (26 °C) / 61 °F (16 °C), 10 rain days
• Pucallpa32 °C (90 °F) / 22 °C (72 °F), 11 rain days90 °F (32 °C) / 72 °F (22 °C), 11 rain days
• Puerto Malabrigo23 °C (73 °F) / 15 °C (59 °F), 1 rain days73 °F (23 °C) / 59 °F (15 °C), 1 rain days
• Puerto Maldonado32 °C (90 °F) / 20 °C (68 °F), 8 rain days90 °F (32 °C) / 68 °F (20 °C), 8 rain days
• Puerto Ocopa32 °C (90 °F) / 19 °C (66 °F), 7 rain days90 °F (32 °C) / 66 °F (19 °C), 7 rain days
• Puno18 °C (64 °F) / -1 °C (30 °F), 5 rain days64 °F (18 °C) / 30 °F (-1 °C), 5 rain days
• Quillabamba28 °C (82 °F) / 17 °C (63 °F), 8 rain days82 °F (28 °C) / 63 °F (17 °C), 8 rain days
• Santa Rosa Island31 °C (88 °F) / 22 °C (72 °F), 12 rain days88 °F (31 °C) / 72 °F (22 °C), 12 rain days
• Santa Teresa16 °C (61 °F) / 8 °C (46 °F), 3 rain days61 °F (16 °C) / 46 °F (8 °C), 3 rain days
• Satipo30 °C (86 °F) / 18 °C (64 °F), 9 rain days86 °F (30 °C) / 64 °F (18 °C), 9 rain days
• Sauce31 °C (88 °F) / 22 °C (72 °F), 9 rain days88 °F (31 °C) / 72 °F (22 °C), 9 rain days
• Sechin27 °C (81 °F) / 22 °C (72 °F), 3 rain days81 °F (27 °C) / 72 °F (22 °C), 3 rain days
• Sepahua33 °C (91 °F) / 20 °C (68 °F), 7 rain days91 °F (33 °C) / 68 °F (20 °C), 7 rain days
• Sillustani15 °C (59 °F) / 1 °C (34 °F), 4 rain days59 °F (15 °C) / 34 °F (1 °C), 4 rain days
• Tacna22 °C (72 °F) / 12 °C (54 °F), 0 rain days72 °F (22 °C) / 54 °F (12 °C), 0 rain days
• Tarapoto31 °C (88 °F) / 20 °C (68 °F), 9 rain days88 °F (31 °C) / 68 °F (20 °C), 9 rain days
• Tarma22 °C (72 °F) / 4 °C (39 °F), 6 rain days72 °F (22 °C) / 39 °F (4 °C), 6 rain days
• Tipón21 °C (70 °F) / 6 °C (43 °F), 7 rain days70 °F (21 °C) / 43 °F (6 °C), 7 rain days
• Tocache32 °C (90 °F) / 21 °C (70 °F), 10 rain days90 °F (32 °C) / 70 °F (21 °C), 10 rain days
• Trujillo21.1 °C (70 °F) / 15.2 °C (59 °F), 0 rain days70 °F (21.1 °C) / 59 °F (15.2 °C), 0 rain days
• Tumbes30 °C (86 °F) / 24 °C (75 °F), 7 rain days86 °F (30 °C) / 75 °F (24 °C), 7 rain days
• Urubamba21 °C (70 °F) / 5 °C (41 °F), 6 rain days70 °F (21 °C) / 41 °F (5 °C), 6 rain days
• Villa Rica23 °C (73 °F) / 14 °C (57 °F), 9 rain days73 °F (23 °C) / 57 °F (14 °C), 9 rain days
• Yucay23 °C (73 °F) / 7 °C (45 °F), 6 rain days73 °F (23 °C) / 45 °F (7 °C), 6 rain days
• Yurimaguas32 °C (90 °F) / 24 °C (75 °F), 15 rain days90 °F (32 °C) / 75 °F (24 °C), 15 rain days
• Zorritos26 °C (79 °F) / 18 °C (64 °F), 1 rain days79 °F (26 °C) / 64 °F (18 °C), 1 rain days

Crowds · Peru

Medium

Prices · Peru

Medium

Weather, crowds and prices for any two months in Peru, side by side.

• Layers: a fleece or light jacket

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Rated best or good this month

• Southern Andes

  Best weather of the year (Cusco, Sacred Valley, Machu Picchu, Puno)

• Arequipa and Colca

  Best weather of the year (Arequipa, Colca Canyon)

• Abancay

  Best months: May–Oct (dry season)

• Aguas Calientes

  Best months: Apr–Oct (dry season)

• Aguaytía

  Best months: May–October (dry season)

• Andahuaylas

  Best months: May–Oct (dry season)

• Arequipa

  Best months: Apr–Nov (dry, clear); May–Sep coolest nights

• Atalaya

  Best months: May–Oct

• Ayacucho

  Best months: May–Oct

• Barranca

  Best months: Apr–Oct

• Caballococha

  Best months: Jun–Oct (drier, fewer mosquitoes)

• Cachora

  Best months: May–Sep