Sunny & Hot cities in South America in September

Beach heat, desert cities, escaping winter.

5 cities in South America match our Sunny & Hot profile in September: average temperature ≥ 25°C / 77°F, monthly rainfall ≤ 40 mm / 1.6 in. Top picks include Teresina (Brazil, 29.1°C / 84.4°F), Timon (Brazil, 28.9°C / 84°F), and São Luís (Brazil, 27.3°C / 81.1°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.

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