Sunny & Mild cities in South America in September
The shoulder-season sweet spot for comfortable city travel.
37 cities in South America match our Sunny & Mild profile in September: average temperature ≥ 14°C / 57.2°F, ≤ 22°C / 71.6°F, monthly rainfall ≤ 50 mm / 2 in. Top picks include Brasília (Brazil, 21.7°C / 71.1°F), Niterói (Brazil, 21.5°C / 70.7°F), and Puerto Baquerizo Moreno (Ecuador, 21.4°C / 70.5°F). Unlike the country-level averages, these are point values sampled at each city itself — usually more useful for planning where you'll actually spend your time. Click a city for its full year-round climate and best months to visit.
← Countries only in South America · Cities in America
| City | Temperature | Rainfall |
|---|---|---|
| Brasíliacity · Federal, Brazil | 21.7°C71.1°F | 50 mm2″ |
| Niteróicity · Rio de Janeiro, Brazil | 21.5°C70.7°F | 40 mm1.6″ |
| Puerto Baquerizo Morenocity · Galápagos, Ecuador | 21.4°C70.5°F | 8 mm0.3″ |
| Piuracity · Piura, Peru | 20.7°C69.3°F | 0 mm0″ |
| Chiclayocity · Lambayeque, Peru | 19°C66.2°F | 1 mm0″ |
| Huánucocity · Huanuco, Peru | 18.8°C65.8°F | 24 mm0.9″ |
| San Fernando del Valle de Catamarcacity · Catamarca, Argentina | 18.6°C65.5°F | 12 mm0.5″ |
| Santiago del Esterocity · Santiago del Estero, Argentina | 18.6°C65.5°F | 14 mm0.6″ |
| Moqueguacity · Moquegua, Peru | 18.4°C65.1°F | 0 mm0″ |
| San Miguel de Tucumáncity · Tucumán, Argentina | 18.4°C65.1°F | 20 mm0.8″ |
| Abancaycity · Apurímac, Peru | 18.3°C64.9°F | 50 mm2″ |
| Tarijacity · Tarija, Bolivia | 18.2°C64.8°F | 12 mm0.5″ |
| Trujillocity · La Libertad, Peru | 17.9°C64.2°F | 0 mm0″ |
| Cochabambacity · Cochabamba, Bolivia | 17.5°C63.5°F | 20 mm0.8″ |
| Icacity · Ica, Peru | 17°C62.6°F | 0 mm0″ |
| La Riojacity · La Rioja, Argentina | 16.7°C62.1°F | 10 mm0.4″ |
| Limacity · Lima, Peru | 16.6°C61.9°F | 3 mm0.1″ |
| Ibarracity · Imbabura, Ecuador | 16.5°C61.7°F | 39 mm1.5″ |
| Lojacity · Loja, Ecuador | 16.5°C61.7°F | 47 mm1.9″ |
| Callaocity · Callao, Peru | 16.4°C61.5°F | 1 mm0″ |
| San Salvador de Jujuycity · Jujuy, Argentina | 16.3°C61.3°F | 8 mm0.3″ |
| Iquiquecity · Tarapacá, Chile | 16.1°C61°F | 0 mm0″ |
| Aricacity · Arica y Parinacota, Chile | 16°C60.8°F | 0 mm0″ |
| Saltacity · Salta, Argentina | 16°C60.8°F | 7 mm0.3″ |
| Huauracity · Lima, Peru | 15.8°C60.4°F | 4 mm0.2″ |
| Tacnacity · Tacna, Peru | 15.8°C60.4°F | 2 mm0.1″ |
| Santa Fecity · Santa Fe, Argentina | 15.5°C59.9°F | 43 mm1.7″ |
| Sucrecity · Chuquisaca, Bolivia | 15.5°C59.9°F | 27 mm1.1″ |
| Antofagastacity · Antofagasta, Chile | 15.4°C59.7°F | 1 mm0″ |
| Arequipacity · Arequipa, Peru | 15.3°C59.5°F | 1 mm0″ |
| Rancaguacity · O'Higgins, Chile | 15°C59°F | 44 mm1.7″ |
| Ayacuchocity · Ayacucho, Peru | 14.9°C58.8°F | 36 mm1.4″ |
| Córdobacity · Córdoba, Argentina | 14.9°C58.8°F | 36 mm1.4″ |
| San Luiscity · San Luis, Argentina | 14.8°C58.6°F | 20 mm0.8″ |
| San Juancity · San Juan, Argentina | 14.5°C58.1°F | 9 mm0.4″ |
| Cuencacity · Azuay, Ecuador | 14.4°C57.9°F | 50 mm2″ |
| Cajamarcacity · Cajamarca, Peru | 14.3°C57.7°F | 41 mm1.6″ |